is the relationship between ethics and critical thinking

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Critical Thinking

Critical thinking is a widely accepted educational goal. Its definition is contested, but the competing definitions can be understood as differing conceptions of the same basic concept: careful thinking directed to a goal. Conceptions differ with respect to the scope of such thinking, the type of goal, the criteria and norms for thinking carefully, and the thinking components on which they focus. Its adoption as an educational goal has been recommended on the basis of respect for students’ autonomy and preparing students for success in life and for democratic citizenship. “Critical thinkers” have the dispositions and abilities that lead them to think critically when appropriate. The abilities can be identified directly; the dispositions indirectly, by considering what factors contribute to or impede exercise of the abilities. Standardized tests have been developed to assess the degree to which a person possesses such dispositions and abilities. Educational intervention has been shown experimentally to improve them, particularly when it includes dialogue, anchored instruction, and mentoring. Controversies have arisen over the generalizability of critical thinking across domains, over alleged bias in critical thinking theories and instruction, and over the relationship of critical thinking to other types of thinking.

2.1 Dewey’s Three Main Examples

2.2 dewey’s other examples, 2.3 further examples, 2.4 non-examples, 3. the definition of critical thinking, 4. its value, 5. the process of thinking critically, 6. components of the process, 7. contributory dispositions and abilities, 8.1 initiating dispositions, 8.2 internal dispositions, 9. critical thinking abilities, 10. required knowledge, 11. educational methods, 12.1 the generalizability of critical thinking, 12.2 bias in critical thinking theory and pedagogy, 12.3 relationship of critical thinking to other types of thinking, other internet resources, related entries.

Use of the term ‘critical thinking’ to describe an educational goal goes back to the American philosopher John Dewey (1910), who more commonly called it ‘reflective thinking’. He defined it as

active, persistent and careful consideration of any belief or supposed form of knowledge in the light of the grounds that support it, and the further conclusions to which it tends. (Dewey 1910: 6; 1933: 9)

and identified a habit of such consideration with a scientific attitude of mind. His lengthy quotations of Francis Bacon, John Locke, and John Stuart Mill indicate that he was not the first person to propose development of a scientific attitude of mind as an educational goal.

In the 1930s, many of the schools that participated in the Eight-Year Study of the Progressive Education Association (Aikin 1942) adopted critical thinking as an educational goal, for whose achievement the study’s Evaluation Staff developed tests (Smith, Tyler, & Evaluation Staff 1942). Glaser (1941) showed experimentally that it was possible to improve the critical thinking of high school students. Bloom’s influential taxonomy of cognitive educational objectives (Bloom et al. 1956) incorporated critical thinking abilities. Ennis (1962) proposed 12 aspects of critical thinking as a basis for research on the teaching and evaluation of critical thinking ability.

Since 1980, an annual international conference in California on critical thinking and educational reform has attracted tens of thousands of educators from all levels of education and from many parts of the world. Also since 1980, the state university system in California has required all undergraduate students to take a critical thinking course. Since 1983, the Association for Informal Logic and Critical Thinking has sponsored sessions in conjunction with the divisional meetings of the American Philosophical Association (APA). In 1987, the APA’s Committee on Pre-College Philosophy commissioned a consensus statement on critical thinking for purposes of educational assessment and instruction (Facione 1990a). Researchers have developed standardized tests of critical thinking abilities and dispositions; for details, see the Supplement on Assessment . Educational jurisdictions around the world now include critical thinking in guidelines for curriculum and assessment.

For details on this history, see the Supplement on History .

2. Examples and Non-Examples

Before considering the definition of critical thinking, it will be helpful to have in mind some examples of critical thinking, as well as some examples of kinds of thinking that would apparently not count as critical thinking.

Dewey (1910: 68–71; 1933: 91–94) takes as paradigms of reflective thinking three class papers of students in which they describe their thinking. The examples range from the everyday to the scientific.

Transit : “The other day, when I was down town on 16th Street, a clock caught my eye. I saw that the hands pointed to 12:20. This suggested that I had an engagement at 124th Street, at one o’clock. I reasoned that as it had taken me an hour to come down on a surface car, I should probably be twenty minutes late if I returned the same way. I might save twenty minutes by a subway express. But was there a station near? If not, I might lose more than twenty minutes in looking for one. Then I thought of the elevated, and I saw there was such a line within two blocks. But where was the station? If it were several blocks above or below the street I was on, I should lose time instead of gaining it. My mind went back to the subway express as quicker than the elevated; furthermore, I remembered that it went nearer than the elevated to the part of 124th Street I wished to reach, so that time would be saved at the end of the journey. I concluded in favor of the subway, and reached my destination by one o’clock.” (Dewey 1910: 68–69; 1933: 91–92)

Ferryboat : “Projecting nearly horizontally from the upper deck of the ferryboat on which I daily cross the river is a long white pole, having a gilded ball at its tip. It suggested a flagpole when I first saw it; its color, shape, and gilded ball agreed with this idea, and these reasons seemed to justify me in this belief. But soon difficulties presented themselves. The pole was nearly horizontal, an unusual position for a flagpole; in the next place, there was no pulley, ring, or cord by which to attach a flag; finally, there were elsewhere on the boat two vertical staffs from which flags were occasionally flown. It seemed probable that the pole was not there for flag-flying.

“I then tried to imagine all possible purposes of the pole, and to consider for which of these it was best suited: (a) Possibly it was an ornament. But as all the ferryboats and even the tugboats carried poles, this hypothesis was rejected. (b) Possibly it was the terminal of a wireless telegraph. But the same considerations made this improbable. Besides, the more natural place for such a terminal would be the highest part of the boat, on top of the pilot house. (c) Its purpose might be to point out the direction in which the boat is moving.

“In support of this conclusion, I discovered that the pole was lower than the pilot house, so that the steersman could easily see it. Moreover, the tip was enough higher than the base, so that, from the pilot’s position, it must appear to project far out in front of the boat. Moreover, the pilot being near the front of the boat, he would need some such guide as to its direction. Tugboats would also need poles for such a purpose. This hypothesis was so much more probable than the others that I accepted it. I formed the conclusion that the pole was set up for the purpose of showing the pilot the direction in which the boat pointed, to enable him to steer correctly.” (Dewey 1910: 69–70; 1933: 92–93)

Bubbles : “In washing tumblers in hot soapsuds and placing them mouth downward on a plate, bubbles appeared on the outside of the mouth of the tumblers and then went inside. Why? The presence of bubbles suggests air, which I note must come from inside the tumbler. I see that the soapy water on the plate prevents escape of the air save as it may be caught in bubbles. But why should air leave the tumbler? There was no substance entering to force it out. It must have expanded. It expands by increase of heat, or by decrease of pressure, or both. Could the air have become heated after the tumbler was taken from the hot suds? Clearly not the air that was already entangled in the water. If heated air was the cause, cold air must have entered in transferring the tumblers from the suds to the plate. I test to see if this supposition is true by taking several more tumblers out. Some I shake so as to make sure of entrapping cold air in them. Some I take out holding mouth downward in order to prevent cold air from entering. Bubbles appear on the outside of every one of the former and on none of the latter. I must be right in my inference. Air from the outside must have been expanded by the heat of the tumbler, which explains the appearance of the bubbles on the outside. But why do they then go inside? Cold contracts. The tumbler cooled and also the air inside it. Tension was removed, and hence bubbles appeared inside. To be sure of this, I test by placing a cup of ice on the tumbler while the bubbles are still forming outside. They soon reverse” (Dewey 1910: 70–71; 1933: 93–94).

Dewey (1910, 1933) sprinkles his book with other examples of critical thinking. We will refer to the following.

Weather : A man on a walk notices that it has suddenly become cool, thinks that it is probably going to rain, looks up and sees a dark cloud obscuring the sun, and quickens his steps (1910: 6–10; 1933: 9–13).

Disorder : A man finds his rooms on his return to them in disorder with his belongings thrown about, thinks at first of burglary as an explanation, then thinks of mischievous children as being an alternative explanation, then looks to see whether valuables are missing, and discovers that they are (1910: 82–83; 1933: 166–168).

Typhoid : A physician diagnosing a patient whose conspicuous symptoms suggest typhoid avoids drawing a conclusion until more data are gathered by questioning the patient and by making tests (1910: 85–86; 1933: 170).

Blur : A moving blur catches our eye in the distance, we ask ourselves whether it is a cloud of whirling dust or a tree moving its branches or a man signaling to us, we think of other traits that should be found on each of those possibilities, and we look and see if those traits are found (1910: 102, 108; 1933: 121, 133).

Suction pump : In thinking about the suction pump, the scientist first notes that it will draw water only to a maximum height of 33 feet at sea level and to a lesser maximum height at higher elevations, selects for attention the differing atmospheric pressure at these elevations, sets up experiments in which the air is removed from a vessel containing water (when suction no longer works) and in which the weight of air at various levels is calculated, compares the results of reasoning about the height to which a given weight of air will allow a suction pump to raise water with the observed maximum height at different elevations, and finally assimilates the suction pump to such apparently different phenomena as the siphon and the rising of a balloon (1910: 150–153; 1933: 195–198).

Diamond : A passenger in a car driving in a diamond lane reserved for vehicles with at least one passenger notices that the diamond marks on the pavement are far apart in some places and close together in others. Why? The driver suggests that the reason may be that the diamond marks are not needed where there is a solid double line separating the diamond lane from the adjoining lane, but are needed when there is a dotted single line permitting crossing into the diamond lane. Further observation confirms that the diamonds are close together when a dotted line separates the diamond lane from its neighbour, but otherwise far apart.

Rash : A woman suddenly develops a very itchy red rash on her throat and upper chest. She recently noticed a mark on the back of her right hand, but was not sure whether the mark was a rash or a scrape. She lies down in bed and thinks about what might be causing the rash and what to do about it. About two weeks before, she began taking blood pressure medication that contained a sulfa drug, and the pharmacist had warned her, in view of a previous allergic reaction to a medication containing a sulfa drug, to be on the alert for an allergic reaction; however, she had been taking the medication for two weeks with no such effect. The day before, she began using a new cream on her neck and upper chest; against the new cream as the cause was mark on the back of her hand, which had not been exposed to the cream. She began taking probiotics about a month before. She also recently started new eye drops, but she supposed that manufacturers of eye drops would be careful not to include allergy-causing components in the medication. The rash might be a heat rash, since she recently was sweating profusely from her upper body. Since she is about to go away on a short vacation, where she would not have access to her usual physician, she decides to keep taking the probiotics and using the new eye drops but to discontinue the blood pressure medication and to switch back to the old cream for her neck and upper chest. She forms a plan to consult her regular physician on her return about the blood pressure medication.

Candidate : Although Dewey included no examples of thinking directed at appraising the arguments of others, such thinking has come to be considered a kind of critical thinking. We find an example of such thinking in the performance task on the Collegiate Learning Assessment (CLA+), which its sponsoring organization describes as

a performance-based assessment that provides a measure of an institution’s contribution to the development of critical-thinking and written communication skills of its students. (Council for Aid to Education 2017)

A sample task posted on its website requires the test-taker to write a report for public distribution evaluating a fictional candidate’s policy proposals and their supporting arguments, using supplied background documents, with a recommendation on whether to endorse the candidate.

Immediate acceptance of an idea that suggests itself as a solution to a problem (e.g., a possible explanation of an event or phenomenon, an action that seems likely to produce a desired result) is “uncritical thinking, the minimum of reflection” (Dewey 1910: 13). On-going suspension of judgment in the light of doubt about a possible solution is not critical thinking (Dewey 1910: 108). Critique driven by a dogmatically held political or religious ideology is not critical thinking; thus Paulo Freire (1968 [1970]) is using the term (e.g., at 1970: 71, 81, 100, 146) in a more politically freighted sense that includes not only reflection but also revolutionary action against oppression. Derivation of a conclusion from given data using an algorithm is not critical thinking.

What is critical thinking? There are many definitions. Ennis (2016) lists 14 philosophically oriented scholarly definitions and three dictionary definitions. Following Rawls (1971), who distinguished his conception of justice from a utilitarian conception but regarded them as rival conceptions of the same concept, Ennis maintains that the 17 definitions are different conceptions of the same concept. Rawls articulated the shared concept of justice as

a characteristic set of principles for assigning basic rights and duties and for determining… the proper distribution of the benefits and burdens of social cooperation. (Rawls 1971: 5)

Bailin et al. (1999b) claim that, if one considers what sorts of thinking an educator would take not to be critical thinking and what sorts to be critical thinking, one can conclude that educators typically understand critical thinking to have at least three features.

• It is done for the purpose of making up one’s mind about what to believe or do.
• The person engaging in the thinking is trying to fulfill standards of adequacy and accuracy appropriate to the thinking.
• The thinking fulfills the relevant standards to some threshold level.

One could sum up the core concept that involves these three features by saying that critical thinking is careful goal-directed thinking. This core concept seems to apply to all the examples of critical thinking described in the previous section. As for the non-examples, their exclusion depends on construing careful thinking as excluding jumping immediately to conclusions, suspending judgment no matter how strong the evidence, reasoning from an unquestioned ideological or religious perspective, and routinely using an algorithm to answer a question.

If the core of critical thinking is careful goal-directed thinking, conceptions of it can vary according to its presumed scope, its presumed goal, one’s criteria and threshold for being careful, and the thinking component on which one focuses. As to its scope, some conceptions (e.g., Dewey 1910, 1933) restrict it to constructive thinking on the basis of one’s own observations and experiments, others (e.g., Ennis 1962; Fisher & Scriven 1997; Johnson 1992) to appraisal of the products of such thinking. Ennis (1991) and Bailin et al. (1999b) take it to cover both construction and appraisal. As to its goal, some conceptions restrict it to forming a judgment (Dewey 1910, 1933; Lipman 1987; Facione 1990a). Others allow for actions as well as beliefs as the end point of a process of critical thinking (Ennis 1991; Bailin et al. 1999b). As to the criteria and threshold for being careful, definitions vary in the term used to indicate that critical thinking satisfies certain norms: “intellectually disciplined” (Scriven & Paul 1987), “reasonable” (Ennis 1991), “skillful” (Lipman 1987), “skilled” (Fisher & Scriven 1997), “careful” (Bailin & Battersby 2009). Some definitions specify these norms, referring variously to “consideration of any belief or supposed form of knowledge in the light of the grounds that support it and the further conclusions to which it tends” (Dewey 1910, 1933); “the methods of logical inquiry and reasoning” (Glaser 1941); “conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication” (Scriven & Paul 1987); the requirement that “it is sensitive to context, relies on criteria, and is self-correcting” (Lipman 1987); “evidential, conceptual, methodological, criteriological, or contextual considerations” (Facione 1990a); and “plus-minus considerations of the product in terms of appropriate standards (or criteria)” (Johnson 1992). Stanovich and Stanovich (2010) propose to ground the concept of critical thinking in the concept of rationality, which they understand as combining epistemic rationality (fitting one’s beliefs to the world) and instrumental rationality (optimizing goal fulfillment); a critical thinker, in their view, is someone with “a propensity to override suboptimal responses from the autonomous mind” (2010: 227). These variant specifications of norms for critical thinking are not necessarily incompatible with one another, and in any case presuppose the core notion of thinking carefully. As to the thinking component singled out, some definitions focus on suspension of judgment during the thinking (Dewey 1910; McPeck 1981), others on inquiry while judgment is suspended (Bailin & Battersby 2009, 2021), others on the resulting judgment (Facione 1990a), and still others on responsiveness to reasons (Siegel 1988). Kuhn (2019) takes critical thinking to be more a dialogic practice of advancing and responding to arguments than an individual ability.

In educational contexts, a definition of critical thinking is a “programmatic definition” (Scheffler 1960: 19). It expresses a practical program for achieving an educational goal. For this purpose, a one-sentence formulaic definition is much less useful than articulation of a critical thinking process, with criteria and standards for the kinds of thinking that the process may involve. The real educational goal is recognition, adoption and implementation by students of those criteria and standards. That adoption and implementation in turn consists in acquiring the knowledge, abilities and dispositions of a critical thinker.

Conceptions of critical thinking generally do not include moral integrity as part of the concept. Dewey, for example, took critical thinking to be the ultimate intellectual goal of education, but distinguished it from the development of social cooperation among school children, which he took to be the central moral goal. Ennis (1996, 2011) added to his previous list of critical thinking dispositions a group of dispositions to care about the dignity and worth of every person, which he described as a “correlative” (1996) disposition without which critical thinking would be less valuable and perhaps harmful. An educational program that aimed at developing critical thinking but not the correlative disposition to care about the dignity and worth of every person, he asserted, “would be deficient and perhaps dangerous” (Ennis 1996: 172).

Dewey thought that education for reflective thinking would be of value to both the individual and society; recognition in educational practice of the kinship to the scientific attitude of children’s native curiosity, fertile imagination and love of experimental inquiry “would make for individual happiness and the reduction of social waste” (Dewey 1910: iii). Schools participating in the Eight-Year Study took development of the habit of reflective thinking and skill in solving problems as a means to leading young people to understand, appreciate and live the democratic way of life characteristic of the United States (Aikin 1942: 17–18, 81). Harvey Siegel (1988: 55–61) has offered four considerations in support of adopting critical thinking as an educational ideal. (1) Respect for persons requires that schools and teachers honour students’ demands for reasons and explanations, deal with students honestly, and recognize the need to confront students’ independent judgment; these requirements concern the manner in which teachers treat students. (2) Education has the task of preparing children to be successful adults, a task that requires development of their self-sufficiency. (3) Education should initiate children into the rational traditions in such fields as history, science and mathematics. (4) Education should prepare children to become democratic citizens, which requires reasoned procedures and critical talents and attitudes. To supplement these considerations, Siegel (1988: 62–90) responds to two objections: the ideology objection that adoption of any educational ideal requires a prior ideological commitment and the indoctrination objection that cultivation of critical thinking cannot escape being a form of indoctrination.

Despite the diversity of our 11 examples, one can recognize a common pattern. Dewey analyzed it as consisting of five phases:

• suggestions , in which the mind leaps forward to a possible solution;
• an intellectualization of the difficulty or perplexity into a problem to be solved, a question for which the answer must be sought;
• the use of one suggestion after another as a leading idea, or hypothesis , to initiate and guide observation and other operations in collection of factual material;
• the mental elaboration of the idea or supposition as an idea or supposition ( reasoning , in the sense on which reasoning is a part, not the whole, of inference); and
• testing the hypothesis by overt or imaginative action. (Dewey 1933: 106–107; italics in original)

The process of reflective thinking consisting of these phases would be preceded by a perplexed, troubled or confused situation and followed by a cleared-up, unified, resolved situation (Dewey 1933: 106). The term ‘phases’ replaced the term ‘steps’ (Dewey 1910: 72), thus removing the earlier suggestion of an invariant sequence. Variants of the above analysis appeared in (Dewey 1916: 177) and (Dewey 1938: 101–119).

The variant formulations indicate the difficulty of giving a single logical analysis of such a varied process. The process of critical thinking may have a spiral pattern, with the problem being redefined in the light of obstacles to solving it as originally formulated. For example, the person in Transit might have concluded that getting to the appointment at the scheduled time was impossible and have reformulated the problem as that of rescheduling the appointment for a mutually convenient time. Further, defining a problem does not always follow after or lead immediately to an idea of a suggested solution. Nor should it do so, as Dewey himself recognized in describing the physician in Typhoid as avoiding any strong preference for this or that conclusion before getting further information (Dewey 1910: 85; 1933: 170). People with a hypothesis in mind, even one to which they have a very weak commitment, have a so-called “confirmation bias” (Nickerson 1998): they are likely to pay attention to evidence that confirms the hypothesis and to ignore evidence that counts against it or for some competing hypothesis. Detectives, intelligence agencies, and investigators of airplane accidents are well advised to gather relevant evidence systematically and to postpone even tentative adoption of an explanatory hypothesis until the collected evidence rules out with the appropriate degree of certainty all but one explanation. Dewey’s analysis of the critical thinking process can be faulted as well for requiring acceptance or rejection of a possible solution to a defined problem, with no allowance for deciding in the light of the available evidence to suspend judgment. Further, given the great variety of kinds of problems for which reflection is appropriate, there is likely to be variation in its component events. Perhaps the best way to conceptualize the critical thinking process is as a checklist whose component events can occur in a variety of orders, selectively, and more than once. These component events might include (1) noticing a difficulty, (2) defining the problem, (3) dividing the problem into manageable sub-problems, (4) formulating a variety of possible solutions to the problem or sub-problem, (5) determining what evidence is relevant to deciding among possible solutions to the problem or sub-problem, (6) devising a plan of systematic observation or experiment that will uncover the relevant evidence, (7) carrying out the plan of systematic observation or experimentation, (8) noting the results of the systematic observation or experiment, (9) gathering relevant testimony and information from others, (10) judging the credibility of testimony and information gathered from others, (11) drawing conclusions from gathered evidence and accepted testimony, and (12) accepting a solution that the evidence adequately supports (cf. Hitchcock 2017: 485).

Checklist conceptions of the process of critical thinking are open to the objection that they are too mechanical and procedural to fit the multi-dimensional and emotionally charged issues for which critical thinking is urgently needed (Paul 1984). For such issues, a more dialectical process is advocated, in which competing relevant world views are identified, their implications explored, and some sort of creative synthesis attempted.

If one considers the critical thinking process illustrated by the 11 examples, one can identify distinct kinds of mental acts and mental states that form part of it. To distinguish, label and briefly characterize these components is a useful preliminary to identifying abilities, skills, dispositions, attitudes, habits and the like that contribute causally to thinking critically. Identifying such abilities and habits is in turn a useful preliminary to setting educational goals. Setting the goals is in its turn a useful preliminary to designing strategies for helping learners to achieve the goals and to designing ways of measuring the extent to which learners have done so. Such measures provide both feedback to learners on their achievement and a basis for experimental research on the effectiveness of various strategies for educating people to think critically. Let us begin, then, by distinguishing the kinds of mental acts and mental events that can occur in a critical thinking process.

• Observing : One notices something in one’s immediate environment (sudden cooling of temperature in Weather , bubbles forming outside a glass and then going inside in Bubbles , a moving blur in the distance in Blur , a rash in Rash ). Or one notes the results of an experiment or systematic observation (valuables missing in Disorder , no suction without air pressure in Suction pump )
• Feeling : One feels puzzled or uncertain about something (how to get to an appointment on time in Transit , why the diamonds vary in spacing in Diamond ). One wants to resolve this perplexity. One feels satisfaction once one has worked out an answer (to take the subway express in Transit , diamonds closer when needed as a warning in Diamond ).
• Wondering : One formulates a question to be addressed (why bubbles form outside a tumbler taken from hot water in Bubbles , how suction pumps work in Suction pump , what caused the rash in Rash ).
• Imagining : One thinks of possible answers (bus or subway or elevated in Transit , flagpole or ornament or wireless communication aid or direction indicator in Ferryboat , allergic reaction or heat rash in Rash ).
• Inferring : One works out what would be the case if a possible answer were assumed (valuables missing if there has been a burglary in Disorder , earlier start to the rash if it is an allergic reaction to a sulfa drug in Rash ). Or one draws a conclusion once sufficient relevant evidence is gathered (take the subway in Transit , burglary in Disorder , discontinue blood pressure medication and new cream in Rash ).
• Knowledge : One uses stored knowledge of the subject-matter to generate possible answers or to infer what would be expected on the assumption of a particular answer (knowledge of a city’s public transit system in Transit , of the requirements for a flagpole in Ferryboat , of Boyle’s law in Bubbles , of allergic reactions in Rash ).
• Experimenting : One designs and carries out an experiment or a systematic observation to find out whether the results deduced from a possible answer will occur (looking at the location of the flagpole in relation to the pilot’s position in Ferryboat , putting an ice cube on top of a tumbler taken from hot water in Bubbles , measuring the height to which a suction pump will draw water at different elevations in Suction pump , noticing the spacing of diamonds when movement to or from a diamond lane is allowed in Diamond ).
• Consulting : One finds a source of information, gets the information from the source, and makes a judgment on whether to accept it. None of our 11 examples include searching for sources of information. In this respect they are unrepresentative, since most people nowadays have almost instant access to information relevant to answering any question, including many of those illustrated by the examples. However, Candidate includes the activities of extracting information from sources and evaluating its credibility.
• Identifying and analyzing arguments : One notices an argument and works out its structure and content as a preliminary to evaluating its strength. This activity is central to Candidate . It is an important part of a critical thinking process in which one surveys arguments for various positions on an issue.
• Judging : One makes a judgment on the basis of accumulated evidence and reasoning, such as the judgment in Ferryboat that the purpose of the pole is to provide direction to the pilot.
• Deciding : One makes a decision on what to do or on what policy to adopt, as in the decision in Transit to take the subway.

By definition, a person who does something voluntarily is both willing and able to do that thing at that time. Both the willingness and the ability contribute causally to the person’s action, in the sense that the voluntary action would not occur if either (or both) of these were lacking. For example, suppose that one is standing with one’s arms at one’s sides and one voluntarily lifts one’s right arm to an extended horizontal position. One would not do so if one were unable to lift one’s arm, if for example one’s right side was paralyzed as the result of a stroke. Nor would one do so if one were unwilling to lift one’s arm, if for example one were participating in a street demonstration at which a white supremacist was urging the crowd to lift their right arm in a Nazi salute and one were unwilling to express support in this way for the racist Nazi ideology. The same analysis applies to a voluntary mental process of thinking critically. It requires both willingness and ability to think critically, including willingness and ability to perform each of the mental acts that compose the process and to coordinate those acts in a sequence that is directed at resolving the initiating perplexity.

Consider willingness first. We can identify causal contributors to willingness to think critically by considering factors that would cause a person who was able to think critically about an issue nevertheless not to do so (Hamby 2014). For each factor, the opposite condition thus contributes causally to willingness to think critically on a particular occasion. For example, people who habitually jump to conclusions without considering alternatives will not think critically about issues that arise, even if they have the required abilities. The contrary condition of willingness to suspend judgment is thus a causal contributor to thinking critically.

Now consider ability. In contrast to the ability to move one’s arm, which can be completely absent because a stroke has left the arm paralyzed, the ability to think critically is a developed ability, whose absence is not a complete absence of ability to think but absence of ability to think well. We can identify the ability to think well directly, in terms of the norms and standards for good thinking. In general, to be able do well the thinking activities that can be components of a critical thinking process, one needs to know the concepts and principles that characterize their good performance, to recognize in particular cases that the concepts and principles apply, and to apply them. The knowledge, recognition and application may be procedural rather than declarative. It may be domain-specific rather than widely applicable, and in either case may need subject-matter knowledge, sometimes of a deep kind.

Reflections of the sort illustrated by the previous two paragraphs have led scholars to identify the knowledge, abilities and dispositions of a “critical thinker”, i.e., someone who thinks critically whenever it is appropriate to do so. We turn now to these three types of causal contributors to thinking critically. We start with dispositions, since arguably these are the most powerful contributors to being a critical thinker, can be fostered at an early stage of a child’s development, and are susceptible to general improvement (Glaser 1941: 175)

8. Critical Thinking Dispositions

Educational researchers use the term ‘dispositions’ broadly for the habits of mind and attitudes that contribute causally to being a critical thinker. Some writers (e.g., Paul & Elder 2006; Hamby 2014; Bailin & Battersby 2016a) propose to use the term ‘virtues’ for this dimension of a critical thinker. The virtues in question, although they are virtues of character, concern the person’s ways of thinking rather than the person’s ways of behaving towards others. They are not moral virtues but intellectual virtues, of the sort articulated by Zagzebski (1996) and discussed by Turri, Alfano, and Greco (2017).

On a realistic conception, thinking dispositions or intellectual virtues are real properties of thinkers. They are general tendencies, propensities, or inclinations to think in particular ways in particular circumstances, and can be genuinely explanatory (Siegel 1999). Sceptics argue that there is no evidence for a specific mental basis for the habits of mind that contribute to thinking critically, and that it is pedagogically misleading to posit such a basis (Bailin et al. 1999a). Whatever their status, critical thinking dispositions need motivation for their initial formation in a child—motivation that may be external or internal. As children develop, the force of habit will gradually become important in sustaining the disposition (Nieto & Valenzuela 2012). Mere force of habit, however, is unlikely to sustain critical thinking dispositions. Critical thinkers must value and enjoy using their knowledge and abilities to think things through for themselves. They must be committed to, and lovers of, inquiry.

A person may have a critical thinking disposition with respect to only some kinds of issues. For example, one could be open-minded about scientific issues but not about religious issues. Similarly, one could be confident in one’s ability to reason about the theological implications of the existence of evil in the world but not in one’s ability to reason about the best design for a guided ballistic missile.

Facione (1990a: 25) divides “affective dispositions” of critical thinking into approaches to life and living in general and approaches to specific issues, questions or problems. Adapting this distinction, one can usefully divide critical thinking dispositions into initiating dispositions (those that contribute causally to starting to think critically about an issue) and internal dispositions (those that contribute causally to doing a good job of thinking critically once one has started). The two categories are not mutually exclusive. For example, open-mindedness, in the sense of willingness to consider alternative points of view to one’s own, is both an initiating and an internal disposition.

Using the strategy of considering factors that would block people with the ability to think critically from doing so, we can identify as initiating dispositions for thinking critically attentiveness, a habit of inquiry, self-confidence, courage, open-mindedness, willingness to suspend judgment, trust in reason, wanting evidence for one’s beliefs, and seeking the truth. We consider briefly what each of these dispositions amounts to, in each case citing sources that acknowledge them.

• Attentiveness : One will not think critically if one fails to recognize an issue that needs to be thought through. For example, the pedestrian in Weather would not have looked up if he had not noticed that the air was suddenly cooler. To be a critical thinker, then, one needs to be habitually attentive to one’s surroundings, noticing not only what one senses but also sources of perplexity in messages received and in one’s own beliefs and attitudes (Facione 1990a: 25; Facione, Facione, & Giancarlo 2001).
• Habit of inquiry : Inquiry is effortful, and one needs an internal push to engage in it. For example, the student in Bubbles could easily have stopped at idle wondering about the cause of the bubbles rather than reasoning to a hypothesis, then designing and executing an experiment to test it. Thus willingness to think critically needs mental energy and initiative. What can supply that energy? Love of inquiry, or perhaps just a habit of inquiry. Hamby (2015) has argued that willingness to inquire is the central critical thinking virtue, one that encompasses all the others. It is recognized as a critical thinking disposition by Dewey (1910: 29; 1933: 35), Glaser (1941: 5), Ennis (1987: 12; 1991: 8), Facione (1990a: 25), Bailin et al. (1999b: 294), Halpern (1998: 452), and Facione, Facione, & Giancarlo (2001).
• Self-confidence : Lack of confidence in one’s abilities can block critical thinking. For example, if the woman in Rash lacked confidence in her ability to figure things out for herself, she might just have assumed that the rash on her chest was the allergic reaction to her medication against which the pharmacist had warned her. Thus willingness to think critically requires confidence in one’s ability to inquire (Facione 1990a: 25; Facione, Facione, & Giancarlo 2001).
• Courage : Fear of thinking for oneself can stop one from doing it. Thus willingness to think critically requires intellectual courage (Paul & Elder 2006: 16).
• Open-mindedness : A dogmatic attitude will impede thinking critically. For example, a person who adheres rigidly to a “pro-choice” position on the issue of the legal status of induced abortion is likely to be unwilling to consider seriously the issue of when in its development an unborn child acquires a moral right to life. Thus willingness to think critically requires open-mindedness, in the sense of a willingness to examine questions to which one already accepts an answer but which further evidence or reasoning might cause one to answer differently (Dewey 1933; Facione 1990a; Ennis 1991; Bailin et al. 1999b; Halpern 1998, Facione, Facione, & Giancarlo 2001). Paul (1981) emphasizes open-mindedness about alternative world-views, and recommends a dialectical approach to integrating such views as central to what he calls “strong sense” critical thinking. In three studies, Haran, Ritov, & Mellers (2013) found that actively open-minded thinking, including “the tendency to weigh new evidence against a favored belief, to spend sufficient time on a problem before giving up, and to consider carefully the opinions of others in forming one’s own”, led study participants to acquire information and thus to make accurate estimations.
• Willingness to suspend judgment : Premature closure on an initial solution will block critical thinking. Thus willingness to think critically requires a willingness to suspend judgment while alternatives are explored (Facione 1990a; Ennis 1991; Halpern 1998).
• Trust in reason : Since distrust in the processes of reasoned inquiry will dissuade one from engaging in it, trust in them is an initiating critical thinking disposition (Facione 1990a, 25; Bailin et al. 1999b: 294; Facione, Facione, & Giancarlo 2001; Paul & Elder 2006). In reaction to an allegedly exclusive emphasis on reason in critical thinking theory and pedagogy, Thayer-Bacon (2000) argues that intuition, imagination, and emotion have important roles to play in an adequate conception of critical thinking that she calls “constructive thinking”. From her point of view, critical thinking requires trust not only in reason but also in intuition, imagination, and emotion.
• Seeking the truth : If one does not care about the truth but is content to stick with one’s initial bias on an issue, then one will not think critically about it. Seeking the truth is thus an initiating critical thinking disposition (Bailin et al. 1999b: 294; Facione, Facione, & Giancarlo 2001). A disposition to seek the truth is implicit in more specific critical thinking dispositions, such as trying to be well-informed, considering seriously points of view other than one’s own, looking for alternatives, suspending judgment when the evidence is insufficient, and adopting a position when the evidence supporting it is sufficient.

Some of the initiating dispositions, such as open-mindedness and willingness to suspend judgment, are also internal critical thinking dispositions, in the sense of mental habits or attitudes that contribute causally to doing a good job of critical thinking once one starts the process. But there are many other internal critical thinking dispositions. Some of them are parasitic on one’s conception of good thinking. For example, it is constitutive of good thinking about an issue to formulate the issue clearly and to maintain focus on it. For this purpose, one needs not only the corresponding ability but also the corresponding disposition. Ennis (1991: 8) describes it as the disposition “to determine and maintain focus on the conclusion or question”, Facione (1990a: 25) as “clarity in stating the question or concern”. Other internal dispositions are motivators to continue or adjust the critical thinking process, such as willingness to persist in a complex task and willingness to abandon nonproductive strategies in an attempt to self-correct (Halpern 1998: 452). For a list of identified internal critical thinking dispositions, see the Supplement on Internal Critical Thinking Dispositions .

Some theorists postulate skills, i.e., acquired abilities, as operative in critical thinking. It is not obvious, however, that a good mental act is the exercise of a generic acquired skill. Inferring an expected time of arrival, as in Transit , has some generic components but also uses non-generic subject-matter knowledge. Bailin et al. (1999a) argue against viewing critical thinking skills as generic and discrete, on the ground that skilled performance at a critical thinking task cannot be separated from knowledge of concepts and from domain-specific principles of good thinking. Talk of skills, they concede, is unproblematic if it means merely that a person with critical thinking skills is capable of intelligent performance.

Despite such scepticism, theorists of critical thinking have listed as general contributors to critical thinking what they variously call abilities (Glaser 1941; Ennis 1962, 1991), skills (Facione 1990a; Halpern 1998) or competencies (Fisher & Scriven 1997). Amalgamating these lists would produce a confusing and chaotic cornucopia of more than 50 possible educational objectives, with only partial overlap among them. It makes sense instead to try to understand the reasons for the multiplicity and diversity, and to make a selection according to one’s own reasons for singling out abilities to be developed in a critical thinking curriculum. Two reasons for diversity among lists of critical thinking abilities are the underlying conception of critical thinking and the envisaged educational level. Appraisal-only conceptions, for example, involve a different suite of abilities than constructive-only conceptions. Some lists, such as those in (Glaser 1941), are put forward as educational objectives for secondary school students, whereas others are proposed as objectives for college students (e.g., Facione 1990a).

The abilities described in the remaining paragraphs of this section emerge from reflection on the general abilities needed to do well the thinking activities identified in section 6 as components of the critical thinking process described in section 5 . The derivation of each collection of abilities is accompanied by citation of sources that list such abilities and of standardized tests that claim to test them.

Observational abilities : Careful and accurate observation sometimes requires specialist expertise and practice, as in the case of observing birds and observing accident scenes. However, there are general abilities of noticing what one’s senses are picking up from one’s environment and of being able to articulate clearly and accurately to oneself and others what one has observed. It helps in exercising them to be able to recognize and take into account factors that make one’s observation less trustworthy, such as prior framing of the situation, inadequate time, deficient senses, poor observation conditions, and the like. It helps as well to be skilled at taking steps to make one’s observation more trustworthy, such as moving closer to get a better look, measuring something three times and taking the average, and checking what one thinks one is observing with someone else who is in a good position to observe it. It also helps to be skilled at recognizing respects in which one’s report of one’s observation involves inference rather than direct observation, so that one can then consider whether the inference is justified. These abilities come into play as well when one thinks about whether and with what degree of confidence to accept an observation report, for example in the study of history or in a criminal investigation or in assessing news reports. Observational abilities show up in some lists of critical thinking abilities (Ennis 1962: 90; Facione 1990a: 16; Ennis 1991: 9). There are items testing a person’s ability to judge the credibility of observation reports in the Cornell Critical Thinking Tests, Levels X and Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). Norris and King (1983, 1985, 1990a, 1990b) is a test of ability to appraise observation reports.

Emotional abilities : The emotions that drive a critical thinking process are perplexity or puzzlement, a wish to resolve it, and satisfaction at achieving the desired resolution. Children experience these emotions at an early age, without being trained to do so. Education that takes critical thinking as a goal needs only to channel these emotions and to make sure not to stifle them. Collaborative critical thinking benefits from ability to recognize one’s own and others’ emotional commitments and reactions.

Questioning abilities : A critical thinking process needs transformation of an inchoate sense of perplexity into a clear question. Formulating a question well requires not building in questionable assumptions, not prejudging the issue, and using language that in context is unambiguous and precise enough (Ennis 1962: 97; 1991: 9).

Imaginative abilities : Thinking directed at finding the correct causal explanation of a general phenomenon or particular event requires an ability to imagine possible explanations. Thinking about what policy or plan of action to adopt requires generation of options and consideration of possible consequences of each option. Domain knowledge is required for such creative activity, but a general ability to imagine alternatives is helpful and can be nurtured so as to become easier, quicker, more extensive, and deeper (Dewey 1910: 34–39; 1933: 40–47). Facione (1990a) and Halpern (1998) include the ability to imagine alternatives as a critical thinking ability.

Inferential abilities : The ability to draw conclusions from given information, and to recognize with what degree of certainty one’s own or others’ conclusions follow, is universally recognized as a general critical thinking ability. All 11 examples in section 2 of this article include inferences, some from hypotheses or options (as in Transit , Ferryboat and Disorder ), others from something observed (as in Weather and Rash ). None of these inferences is formally valid. Rather, they are licensed by general, sometimes qualified substantive rules of inference (Toulmin 1958) that rest on domain knowledge—that a bus trip takes about the same time in each direction, that the terminal of a wireless telegraph would be located on the highest possible place, that sudden cooling is often followed by rain, that an allergic reaction to a sulfa drug generally shows up soon after one starts taking it. It is a matter of controversy to what extent the specialized ability to deduce conclusions from premisses using formal rules of inference is needed for critical thinking. Dewey (1933) locates logical forms in setting out the products of reflection rather than in the process of reflection. Ennis (1981a), on the other hand, maintains that a liberally-educated person should have the following abilities: to translate natural-language statements into statements using the standard logical operators, to use appropriately the language of necessary and sufficient conditions, to deal with argument forms and arguments containing symbols, to determine whether in virtue of an argument’s form its conclusion follows necessarily from its premisses, to reason with logically complex propositions, and to apply the rules and procedures of deductive logic. Inferential abilities are recognized as critical thinking abilities by Glaser (1941: 6), Facione (1990a: 9), Ennis (1991: 9), Fisher & Scriven (1997: 99, 111), and Halpern (1998: 452). Items testing inferential abilities constitute two of the five subtests of the Watson Glaser Critical Thinking Appraisal (Watson & Glaser 1980a, 1980b, 1994), two of the four sections in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), three of the seven sections in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), 11 of the 34 items on Forms A and B of the California Critical Thinking Skills Test (Facione 1990b, 1992), and a high but variable proportion of the 25 selected-response questions in the Collegiate Learning Assessment (Council for Aid to Education 2017).

Experimenting abilities : Knowing how to design and execute an experiment is important not just in scientific research but also in everyday life, as in Rash . Dewey devoted a whole chapter of his How We Think (1910: 145–156; 1933: 190–202) to the superiority of experimentation over observation in advancing knowledge. Experimenting abilities come into play at one remove in appraising reports of scientific studies. Skill in designing and executing experiments includes the acknowledged abilities to appraise evidence (Glaser 1941: 6), to carry out experiments and to apply appropriate statistical inference techniques (Facione 1990a: 9), to judge inductions to an explanatory hypothesis (Ennis 1991: 9), and to recognize the need for an adequately large sample size (Halpern 1998). The Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) includes four items (out of 52) on experimental design. The Collegiate Learning Assessment (Council for Aid to Education 2017) makes room for appraisal of study design in both its performance task and its selected-response questions.

Consulting abilities : Skill at consulting sources of information comes into play when one seeks information to help resolve a problem, as in Candidate . Ability to find and appraise information includes ability to gather and marshal pertinent information (Glaser 1941: 6), to judge whether a statement made by an alleged authority is acceptable (Ennis 1962: 84), to plan a search for desired information (Facione 1990a: 9), and to judge the credibility of a source (Ennis 1991: 9). Ability to judge the credibility of statements is tested by 24 items (out of 76) in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) and by four items (out of 52) in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). The College Learning Assessment’s performance task requires evaluation of whether information in documents is credible or unreliable (Council for Aid to Education 2017).

Argument analysis abilities : The ability to identify and analyze arguments contributes to the process of surveying arguments on an issue in order to form one’s own reasoned judgment, as in Candidate . The ability to detect and analyze arguments is recognized as a critical thinking skill by Facione (1990a: 7–8), Ennis (1991: 9) and Halpern (1998). Five items (out of 34) on the California Critical Thinking Skills Test (Facione 1990b, 1992) test skill at argument analysis. The College Learning Assessment (Council for Aid to Education 2017) incorporates argument analysis in its selected-response tests of critical reading and evaluation and of critiquing an argument.

Judging skills and deciding skills : Skill at judging and deciding is skill at recognizing what judgment or decision the available evidence and argument supports, and with what degree of confidence. It is thus a component of the inferential skills already discussed.

Lists and tests of critical thinking abilities often include two more abilities: identifying assumptions and constructing and evaluating definitions.

In addition to dispositions and abilities, critical thinking needs knowledge: of critical thinking concepts, of critical thinking principles, and of the subject-matter of the thinking.

We can derive a short list of concepts whose understanding contributes to critical thinking from the critical thinking abilities described in the preceding section. Observational abilities require an understanding of the difference between observation and inference. Questioning abilities require an understanding of the concepts of ambiguity and vagueness. Inferential abilities require an understanding of the difference between conclusive and defeasible inference (traditionally, between deduction and induction), as well as of the difference between necessary and sufficient conditions. Experimenting abilities require an understanding of the concepts of hypothesis, null hypothesis, assumption and prediction, as well as of the concept of statistical significance and of its difference from importance. They also require an understanding of the difference between an experiment and an observational study, and in particular of the difference between a randomized controlled trial, a prospective correlational study and a retrospective (case-control) study. Argument analysis abilities require an understanding of the concepts of argument, premiss, assumption, conclusion and counter-consideration. Additional critical thinking concepts are proposed by Bailin et al. (1999b: 293), Fisher & Scriven (1997: 105–106), Black (2012), and Blair (2021).

According to Glaser (1941: 25), ability to think critically requires knowledge of the methods of logical inquiry and reasoning. If we review the list of abilities in the preceding section, however, we can see that some of them can be acquired and exercised merely through practice, possibly guided in an educational setting, followed by feedback. Searching intelligently for a causal explanation of some phenomenon or event requires that one consider a full range of possible causal contributors, but it seems more important that one implements this principle in one’s practice than that one is able to articulate it. What is important is “operational knowledge” of the standards and principles of good thinking (Bailin et al. 1999b: 291–293). But the development of such critical thinking abilities as designing an experiment or constructing an operational definition can benefit from learning their underlying theory. Further, explicit knowledge of quirks of human thinking seems useful as a cautionary guide. Human memory is not just fallible about details, as people learn from their own experiences of misremembering, but is so malleable that a detailed, clear and vivid recollection of an event can be a total fabrication (Loftus 2017). People seek or interpret evidence in ways that are partial to their existing beliefs and expectations, often unconscious of their “confirmation bias” (Nickerson 1998). Not only are people subject to this and other cognitive biases (Kahneman 2011), of which they are typically unaware, but it may be counter-productive for one to make oneself aware of them and try consciously to counteract them or to counteract social biases such as racial or sexual stereotypes (Kenyon & Beaulac 2014). It is helpful to be aware of these facts and of the superior effectiveness of blocking the operation of biases—for example, by making an immediate record of one’s observations, refraining from forming a preliminary explanatory hypothesis, blind refereeing, double-blind randomized trials, and blind grading of students’ work. It is also helpful to be aware of the prevalence of “noise” (unwanted unsystematic variability of judgments), of how to detect noise (through a noise audit), and of how to reduce noise: make accuracy the goal, think statistically, break a process of arriving at a judgment into independent tasks, resist premature intuitions, in a group get independent judgments first, favour comparative judgments and scales (Kahneman, Sibony, & Sunstein 2021). It is helpful as well to be aware of the concept of “bounded rationality” in decision-making and of the related distinction between “satisficing” and optimizing (Simon 1956; Gigerenzer 2001).

Critical thinking about an issue requires substantive knowledge of the domain to which the issue belongs. Critical thinking abilities are not a magic elixir that can be applied to any issue whatever by somebody who has no knowledge of the facts relevant to exploring that issue. For example, the student in Bubbles needed to know that gases do not penetrate solid objects like a glass, that air expands when heated, that the volume of an enclosed gas varies directly with its temperature and inversely with its pressure, and that hot objects will spontaneously cool down to the ambient temperature of their surroundings unless kept hot by insulation or a source of heat. Critical thinkers thus need a rich fund of subject-matter knowledge relevant to the variety of situations they encounter. This fact is recognized in the inclusion among critical thinking dispositions of a concern to become and remain generally well informed.

Experimental educational interventions, with control groups, have shown that education can improve critical thinking skills and dispositions, as measured by standardized tests. For information about these tests, see the Supplement on Assessment .

What educational methods are most effective at developing the dispositions, abilities and knowledge of a critical thinker? In a comprehensive meta-analysis of experimental and quasi-experimental studies of strategies for teaching students to think critically, Abrami et al. (2015) found that dialogue, anchored instruction, and mentoring each increased the effectiveness of the educational intervention, and that they were most effective when combined. They also found that in these studies a combination of separate instruction in critical thinking with subject-matter instruction in which students are encouraged to think critically was more effective than either by itself. However, the difference was not statistically significant; that is, it might have arisen by chance.

Most of these studies lack the longitudinal follow-up required to determine whether the observed differential improvements in critical thinking abilities or dispositions continue over time, for example until high school or college graduation. For details on studies of methods of developing critical thinking skills and dispositions, see the Supplement on Educational Methods .

12. Controversies

Scholars have denied the generalizability of critical thinking abilities across subject domains, have alleged bias in critical thinking theory and pedagogy, and have investigated the relationship of critical thinking to other kinds of thinking.

McPeck (1981) attacked the thinking skills movement of the 1970s, including the critical thinking movement. He argued that there are no general thinking skills, since thinking is always thinking about some subject-matter. It is futile, he claimed, for schools and colleges to teach thinking as if it were a separate subject. Rather, teachers should lead their pupils to become autonomous thinkers by teaching school subjects in a way that brings out their cognitive structure and that encourages and rewards discussion and argument. As some of his critics (e.g., Paul 1985; Siegel 1985) pointed out, McPeck’s central argument needs elaboration, since it has obvious counter-examples in writing and speaking, for which (up to a certain level of complexity) there are teachable general abilities even though they are always about some subject-matter. To make his argument convincing, McPeck needs to explain how thinking differs from writing and speaking in a way that does not permit useful abstraction of its components from the subject-matters with which it deals. He has not done so. Nevertheless, his position that the dispositions and abilities of a critical thinker are best developed in the context of subject-matter instruction is shared by many theorists of critical thinking, including Dewey (1910, 1933), Glaser (1941), Passmore (1980), Weinstein (1990), Bailin et al. (1999b), and Willingham (2019).

McPeck’s challenge prompted reflection on the extent to which critical thinking is subject-specific. McPeck argued for a strong subject-specificity thesis, according to which it is a conceptual truth that all critical thinking abilities are specific to a subject. (He did not however extend his subject-specificity thesis to critical thinking dispositions. In particular, he took the disposition to suspend judgment in situations of cognitive dissonance to be a general disposition.) Conceptual subject-specificity is subject to obvious counter-examples, such as the general ability to recognize confusion of necessary and sufficient conditions. A more modest thesis, also endorsed by McPeck, is epistemological subject-specificity, according to which the norms of good thinking vary from one field to another. Epistemological subject-specificity clearly holds to a certain extent; for example, the principles in accordance with which one solves a differential equation are quite different from the principles in accordance with which one determines whether a painting is a genuine Picasso. But the thesis suffers, as Ennis (1989) points out, from vagueness of the concept of a field or subject and from the obvious existence of inter-field principles, however broadly the concept of a field is construed. For example, the principles of hypothetico-deductive reasoning hold for all the varied fields in which such reasoning occurs. A third kind of subject-specificity is empirical subject-specificity, according to which as a matter of empirically observable fact a person with the abilities and dispositions of a critical thinker in one area of investigation will not necessarily have them in another area of investigation.

The thesis of empirical subject-specificity raises the general problem of transfer. If critical thinking abilities and dispositions have to be developed independently in each school subject, how are they of any use in dealing with the problems of everyday life and the political and social issues of contemporary society, most of which do not fit into the framework of a traditional school subject? Proponents of empirical subject-specificity tend to argue that transfer is more likely to occur if there is critical thinking instruction in a variety of domains, with explicit attention to dispositions and abilities that cut across domains. But evidence for this claim is scanty. There is a need for well-designed empirical studies that investigate the conditions that make transfer more likely.

It is common ground in debates about the generality or subject-specificity of critical thinking dispositions and abilities that critical thinking about any topic requires background knowledge about the topic. For example, the most sophisticated understanding of the principles of hypothetico-deductive reasoning is of no help unless accompanied by some knowledge of what might be plausible explanations of some phenomenon under investigation.

Critics have objected to bias in the theory, pedagogy and practice of critical thinking. Commentators (e.g., Alston 1995; Ennis 1998) have noted that anyone who takes a position has a bias in the neutral sense of being inclined in one direction rather than others. The critics, however, are objecting to bias in the pejorative sense of an unjustified favoring of certain ways of knowing over others, frequently alleging that the unjustly favoured ways are those of a dominant sex or culture (Bailin 1995). These ways favour:

• reinforcement of egocentric and sociocentric biases over dialectical engagement with opposing world-views (Paul 1981, 1984; Warren 1998)
• distancing from the object of inquiry over closeness to it (Martin 1992; Thayer-Bacon 1992)
• indifference to the situation of others over care for them (Martin 1992)
• orientation to thought over orientation to action (Martin 1992)
• being reasonable over caring to understand people’s ideas (Thayer-Bacon 1993)
• being neutral and objective over being embodied and situated (Thayer-Bacon 1995a)
• doubting over believing (Thayer-Bacon 1995b)
• reason over emotion, imagination and intuition (Thayer-Bacon 2000)
• solitary thinking over collaborative thinking (Thayer-Bacon 2000)
• written and spoken assignments over other forms of expression (Alston 2001)
• attention to written and spoken communications over attention to human problems (Alston 2001)
• winning debates in the public sphere over making and understanding meaning (Alston 2001)

A common thread in this smorgasbord of accusations is dissatisfaction with focusing on the logical analysis and evaluation of reasoning and arguments. While these authors acknowledge that such analysis and evaluation is part of critical thinking and should be part of its conceptualization and pedagogy, they insist that it is only a part. Paul (1981), for example, bemoans the tendency of atomistic teaching of methods of analyzing and evaluating arguments to turn students into more able sophists, adept at finding fault with positions and arguments with which they disagree but even more entrenched in the egocentric and sociocentric biases with which they began. Martin (1992) and Thayer-Bacon (1992) cite with approval the self-reported intimacy with their subject-matter of leading researchers in biology and medicine, an intimacy that conflicts with the distancing allegedly recommended in standard conceptions and pedagogy of critical thinking. Thayer-Bacon (2000) contrasts the embodied and socially embedded learning of her elementary school students in a Montessori school, who used their imagination, intuition and emotions as well as their reason, with conceptions of critical thinking as

thinking that is used to critique arguments, offer justifications, and make judgments about what are the good reasons, or the right answers. (Thayer-Bacon 2000: 127–128)

Alston (2001) reports that her students in a women’s studies class were able to see the flaws in the Cinderella myth that pervades much romantic fiction but in their own romantic relationships still acted as if all failures were the woman’s fault and still accepted the notions of love at first sight and living happily ever after. Students, she writes, should

be able to connect their intellectual critique to a more affective, somatic, and ethical account of making risky choices that have sexist, racist, classist, familial, sexual, or other consequences for themselves and those both near and far… critical thinking that reads arguments, texts, or practices merely on the surface without connections to feeling/desiring/doing or action lacks an ethical depth that should infuse the difference between mere cognitive activity and something we want to call critical thinking. (Alston 2001: 34)

Some critics portray such biases as unfair to women. Thayer-Bacon (1992), for example, has charged modern critical thinking theory with being sexist, on the ground that it separates the self from the object and causes one to lose touch with one’s inner voice, and thus stigmatizes women, who (she asserts) link self to object and listen to their inner voice. Her charge does not imply that women as a group are on average less able than men to analyze and evaluate arguments. Facione (1990c) found no difference by sex in performance on his California Critical Thinking Skills Test. Kuhn (1991: 280–281) found no difference by sex in either the disposition or the competence to engage in argumentative thinking.

The critics propose a variety of remedies for the biases that they allege. In general, they do not propose to eliminate or downplay critical thinking as an educational goal. Rather, they propose to conceptualize critical thinking differently and to change its pedagogy accordingly. Their pedagogical proposals arise logically from their objections. They can be summarized as follows:

• Focus on argument networks with dialectical exchanges reflecting contesting points of view rather than on atomic arguments, so as to develop “strong sense” critical thinking that transcends egocentric and sociocentric biases (Paul 1981, 1984).
• Foster closeness to the subject-matter and feeling connected to others in order to inform a humane democracy (Martin 1992).
• Develop “constructive thinking” as a social activity in a community of physically embodied and socially embedded inquirers with personal voices who value not only reason but also imagination, intuition and emotion (Thayer-Bacon 2000).
• In developing critical thinking in school subjects, treat as important neither skills nor dispositions but opening worlds of meaning (Alston 2001).
• Attend to the development of critical thinking dispositions as well as skills, and adopt the “critical pedagogy” practised and advocated by Freire (1968 [1970]) and hooks (1994) (Dalgleish, Girard, & Davies 2017).

A common thread in these proposals is treatment of critical thinking as a social, interactive, personally engaged activity like that of a quilting bee or a barn-raising (Thayer-Bacon 2000) rather than as an individual, solitary, distanced activity symbolized by Rodin’s The Thinker . One can get a vivid description of education with the former type of goal from the writings of bell hooks (1994, 2010). Critical thinking for her is open-minded dialectical exchange across opposing standpoints and from multiple perspectives, a conception similar to Paul’s “strong sense” critical thinking (Paul 1981). She abandons the structure of domination in the traditional classroom. In an introductory course on black women writers, for example, she assigns students to write an autobiographical paragraph about an early racial memory, then to read it aloud as the others listen, thus affirming the uniqueness and value of each voice and creating a communal awareness of the diversity of the group’s experiences (hooks 1994: 84). Her “engaged pedagogy” is thus similar to the “freedom under guidance” implemented in John Dewey’s Laboratory School of Chicago in the late 1890s and early 1900s. It incorporates the dialogue, anchored instruction, and mentoring that Abrami (2015) found to be most effective in improving critical thinking skills and dispositions.

What is the relationship of critical thinking to problem solving, decision-making, higher-order thinking, creative thinking, and other recognized types of thinking? One’s answer to this question obviously depends on how one defines the terms used in the question. If critical thinking is conceived broadly to cover any careful thinking about any topic for any purpose, then problem solving and decision making will be kinds of critical thinking, if they are done carefully. Historically, ‘critical thinking’ and ‘problem solving’ were two names for the same thing. If critical thinking is conceived more narrowly as consisting solely of appraisal of intellectual products, then it will be disjoint with problem solving and decision making, which are constructive.

Bloom’s taxonomy of educational objectives used the phrase “intellectual abilities and skills” for what had been labeled “critical thinking” by some, “reflective thinking” by Dewey and others, and “problem solving” by still others (Bloom et al. 1956: 38). Thus, the so-called “higher-order thinking skills” at the taxonomy’s top levels of analysis, synthesis and evaluation are just critical thinking skills, although they do not come with general criteria for their assessment (Ennis 1981b). The revised version of Bloom’s taxonomy (Anderson et al. 2001) likewise treats critical thinking as cutting across those types of cognitive process that involve more than remembering (Anderson et al. 2001: 269–270). For details, see the Supplement on History .

As to creative thinking, it overlaps with critical thinking (Bailin 1987, 1988). Thinking about the explanation of some phenomenon or event, as in Ferryboat , requires creative imagination in constructing plausible explanatory hypotheses. Likewise, thinking about a policy question, as in Candidate , requires creativity in coming up with options. Conversely, creativity in any field needs to be balanced by critical appraisal of the draft painting or novel or mathematical theory.

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The Connection between Critical Thinking and Ethics: Unraveling the Link

The connection between critical thinking and ethics is a significant one, as both concepts play crucial roles in decision-making and problem-solving. Critical thinking is the process of evaluating and analyzing information to reach well-founded conclusions, while ethics involves the principles and standards that guide our behavior.

Both critical thinking and ethics are closely related, as the former enables individuals to discern between right and wrong, fact and fiction, and develop a deeper understanding of complex issues. By using critical thinking skills, individuals can approach ethical dilemmas from diverse perspectives and make informed decisions based on logic and reason. This relationship is essential in helping us navigate the world around us and make morally responsible choices.

Developing a strong sense of critical thinking and ethical awareness is crucial for individuals to become responsible citizens and decision-makers. When applied together, these skills allow people to engage in a balanced and rational examination of various ethical issues, thereby promoting fair judgment and responsible action within their personal and professional lives.

The Concepts of Critical Thinking and Ethics

Defining critical thinking.

Critical thinking is a widely accepted educational goal, but its definition is contested. According to the Stanford Encyclopedia of Philosophy , critical thinking can be understood as careful thinking directed toward a goal. It involves the ability to analyze information, identify biases, and evaluate the credibility of sources, ultimately leading to better decision-making.

Defining Ethics

Ethics, on the other hand, deals with moral principles that govern an individual’s or group’s behavior. It is the study of what is right or wrong and how we should act in various situations. Ethical reasoning involves the application of moral values to guide actions and decisions in various contexts.

When combined, critical thinking and ethics create a powerful framework for evaluating multiple perspectives and making informed choices. The development of these skills is crucial for both personal and professional growth. The interconnected nature of these concepts is crucial in understanding their relevance in various aspects of life.

The Importance of Critical Thinking in Ethical Decision-Making

Critical thinking plays a vital role in ethical decision-making by providing the tools needed to carefully evaluate situations, examine various perspectives, and make informed choices that align with personal and professional values without making exaggerated or false claims.

Recognizing Ethical Issues

Utilizing critical thinking skills enables individuals to examine situations from multiple perspectives , identify potential issues and risks, and recognize ethical dilemmas by reducing the impact of cognitive biases. By analyzing situations and questioning assumptions, critical thinking allows people to recognize ethical problems that may otherwise go unnoticed.

Evaluating Ethical Choices

In the process of ethical decision-making, critical thinking plays a key role in evaluating the strengths and weaknesses of each available option. It helps individuals to determine whether or not something is right or wrong , taking into account both facts and values. This evaluation helps in understanding the basis of one’s beliefs and decisions and in considering alternative solutions before making choices.

Implementing Ethical Solutions

Once ethical issues have been recognized and evaluated, critical thinking aids in the implementation of ethical solutions. It allows individuals to weigh the consequences of each action, taking into account the possible impacts on stakeholders and the broader society. Critical thinking promotes conscious, well-informed decisions that are in line with personal and professional beliefs, ensuring that the chosen solutions consider all possible outcomes and adhere to the principles of ethical decision-making.

Section 4: Developing Critical Thinking and Ethical Reasoning Skills

The connection between critical thinking and ethics is crucial in fostering a questioning mindset and promoting reasoned decision-making. To develop these skills, we will discuss the role of education and curricula, as well as exercises and practice in cultivating ethical critical thinkers.

Education and Curricula

Integrating ethical reasoning into education is an essential step for promoting fairminded critical thinking. Teachers must be aware of the risk of inadvertently fostering sophistic critical thinking if ethics are not addressed in the curriculum (source) . To develop students’ ethical understanding, educators should use inquiry-based learning methods, which encourage a questioning mindset (source) .

By incorporating ethical reasoning into educational programs, students learn to operationalize their reflective questioning skills as the basis for ethical decision-making. Understanding the various ethical frameworks and perspectives can help students think critically and make well-reasoned decisions in complex situations (source) .

Exercises and Practice

Regular practice in dealing with ethical dilemmas and ambiguities allows students to strengthen their critical thinking and ethical reasoning skills. Exercises that ask students to define problems, examine evidence, analyze assumptions and biases, and consider other interpretations are effective in fostering critical thinking (source) .

Using real-life ethical dilemmas in activities not only helps students to engage with the material but also promotes reasoning and justification skills vital for informed citizenship (source) . Some exercises that can be utilized include:

• Debates on controversial ethical issues
• Case studies and role-playing exercises
• Reflection papers and group discussions
• Analysis of ethical dilemmas in various scenarios

Frequent practice of these activities will help students develop a strong foundation in critical thinking and ethical reasoning, enabling them to make well-informed decisions in their personal and professional lives.

Section 5: Challenges and Limitations

Cognitive biases.

One of the challenges of integrating critical thinking with ethics is addressing cognitive biases. Cognitive biases can cloud our judgment and affect our ability to make ethical decisions. Developing critical thinking skills can help reveal these biases and enable us to make more objective decisions.

Emotional Influence

Another challenge in connecting critical thinking and ethics is emotional influence. Our emotions can significantly impact our ability to think critically and ethically. Emotional experiences may lead to hasty decisions without considering ethical implications. To overcome this challenge, individuals must learn to balance emotion and reason, allowing them to maintain a neutral perspective during decision-making processes.

Cultural Differences

Lastly, cultural differences can create a barrier when trying to foster the relationship between critical thinking and ethics. Different cultures often have unique ethical values and practices, making it difficult to establish universal ethical principles. Understanding and respecting these differences is crucial in mitigating the potential for miscommunication and ethical conflicts.

By addressing challenges such as cognitive biases, emotional influence, and cultural differences, individuals can further strengthen the connection between critical thinking and ethics. This integration is essential for making informed, ethical decisions within diverse global communities.

In conclusion, the relationship between critical thinking and ethics is a fundamental aspect of how we make decisions in our daily lives. Critical thinking allows us to see the world from different perspectives and to make ethical decisions based on our understanding and analysis of facts.

As we develop our critical thinking skills, we become better at distinguishing right from wrong , which in turn helps us navigate complex ethical situations. This process involves analyzing and observing our own biases and beliefs, as well as evaluating the facts at hand.

The importance of this relationship cannot be understated, as it influences the choices we make and their impact on ourselves and others. Developing a strong foundation in critical thinking not only allows us to make informed and ethical decisions but also contributes to a deeper understanding of the world and the various perspectives within it.

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Critical Thinking, Creativity, Ethical Reasoning: A Unity of Opposites

• First Online: 01 January 2009

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• Richard Paul 3 &
• Linda Elder 4  

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In this chapter, we argue for an intimate interrelationship between critical thinking, creative thinking and ethical reasoning. Indeed we argue for an underlying unity between them. We begin by establishing the interdependence of criticality and creativity in the life of the mind. That life is manifest in three basic forms: uncriticality, sophistic criticality, and Socratic criticality. Each of these forms of thought implies an ethically significant pattern, which we illuminate. This leads to the challenge of living an ethical life when humans so routinely confuse ethics with other modes of thinking. Thus, the most common “counterfeits” of ethics are analyzed at length. The chapter concludes with some important implications of the absence of any one of the triad in human thought, given their innate dependence on one another.

Ever since the nineteenth century, and increasingly thereafter, knowledge, reasoning, and insight have become more and more specialized and compartmentalized. The threads that unify them have become obscured. The threads that diversify them are now highlighted. Yet life itself is not compartmentalized. Reality does not offer itself up to us in sealed compartments. The various dimensions of who we are interact and interrelate. So it is with modes of thinking. The critical and creative dimensions of thought interpenetrate and interface with our capacity to reflect ethically. Each of the three is better understood in relation to the other two. Each deepens and develops one another.

If we would understand the creative mind, then we must study the manner in which it is dependent on criticality. If we would understand the critical mind, then we must study the way it is dependent on creativity. If we would understand the highest levels of criticality and creativity, we must study their dependence on ethical reflection. Intellectual work is a common denominator of all three: creativity, criticality, and ethical reflection. Intellectual constructs are their shared products (constructs such as novels, editorials, critiques). Intellectual traits are what take them to higher levels of functioning. Let us consider first how to overcome the dichotomy between thought that is fundamentally creative and thought that is fundamentally critical.

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Concluding Essay: New Apophatic Paths in Current Critical Thinking

Critical Thinking: A Streamlined Conception

Virginia Woolf, the Historical Sense, and Creative Criticism

For deeper understanding of intellectual virtues, see Paul & Elder ( 2006a ).

The U.S. now has a higher percentage of its citizens in prison than any other country in the world (recently surpassing Russia) (Human Rights Watch, August 2008 )

See the website of Amnesty International for acts that are unethical in themselves: http://www.amnesty.org/

Human Rights Watch (2008). http://www.hrw.org/english/docs/2006/01/18/usdom12292.htm

Lakoff, G. (2002). Moral Politics: How Liberals and Conservatives Think (2nd ed.). Chicago, IL: University of Chicago Press.

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Paul, R. & Elder, L. (2006a). Critical Thinking: Tools for Taking Charge of Your Learning and Your Life . Upper Saddle River, NJ: Pearson Prentice-Hall.

Paul, R., & Elder, L. (2006b). The Thinker's Guide to Fallacies: The Art of Mental Trickery and Manipulation . Dillon Beach, CA: Foundation for Critical Thinking.

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Paul, R., Elder, L. (2009). Critical Thinking, Creativity, Ethical Reasoning: A Unity of Opposites. In: Cross, T., Ambrose, D. (eds) Morality, Ethics, and Gifted Minds. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-89368-6_8

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Research Article

Fostering Critical Thinking, Reasoning, and Argumentation Skills through Bioethics Education

* E-mail: [email protected]

Affiliation Northwest Association for Biomedical Research, Seattle, Washington, United States of America

Affiliation Center for Research and Learning, Snohomish, Washington, United States of America

• Jeanne Ting Chowning, 
• Joan Carlton Griswold, 
• Dina N. Kovarik, 
• Laura J. Collins

• Published: May 11, 2012
• https://doi.org/10.1371/journal.pone.0036791
• Reader Comments

Developing a position on a socio-scientific issue and defending it using a well-reasoned justification involves complex cognitive skills that are challenging to both teach and assess. Our work centers on instructional strategies for fostering critical thinking skills in high school students using bioethical case studies, decision-making frameworks, and structured analysis tools to scaffold student argumentation. In this study, we examined the effects of our teacher professional development and curricular materials on the ability of high school students to analyze a bioethical case study and develop a strong position. We focused on student ability to identify an ethical question, consider stakeholders and their values, incorporate relevant scientific facts and content, address ethical principles, and consider the strengths and weaknesses of alternate solutions. 431 students and 12 teachers participated in a research study using teacher cohorts for comparison purposes. The first cohort received professional development and used the curriculum with their students; the second did not receive professional development until after their participation in the study and did not use the curriculum. In order to assess the acquisition of higher-order justification skills, students were asked to analyze a case study and develop a well-reasoned written position. We evaluated statements using a scoring rubric and found highly significant differences (p<0.001) between students exposed to the curriculum strategies and those who were not. Students also showed highly significant gains (p<0.001) in self-reported interest in science content, ability to analyze socio-scientific issues, awareness of ethical issues, ability to listen to and discuss viewpoints different from their own, and understanding of the relationship between science and society. Our results demonstrate that incorporating ethical dilemmas into the classroom is one strategy for increasing student motivation and engagement with science content, while promoting reasoning and justification skills that help prepare an informed citizenry.

Citation: Chowning JT, Griswold JC, Kovarik DN, Collins LJ (2012) Fostering Critical Thinking, Reasoning, and Argumentation Skills through Bioethics Education. PLoS ONE 7(5): e36791. https://doi.org/10.1371/journal.pone.0036791

Editor: Julio Francisco Turrens, University of South Alabama, United States of America

Received: February 7, 2012; Accepted: April 13, 2012; Published: May 11, 2012

Copyright: © 2012 Chowning et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Funding: The “Collaborations to Understand Research and Ethics” (CURE) program was supported by a Science Education Partnership Award grant ( http://ncrrsepa.org ) from the National Center for Research Resources and the Division of Program Coordination, Planning, and Strategic Initiatives of the National Institutes of Health through Grant Number R25OD011138. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing interests: The authors have declared that no competing interests exist.

Introduction

While the practice of argumentation is a cornerstone of the scientific process, students at the secondary level have few opportunities to engage in it [1] . Recent research suggests that collaborative discourse and critical dialogue focused on student claims and justifications can increase student reasoning abilities and conceptual understanding, and that strategies are needed to promote such practices in secondary science classrooms [2] . In particular, students need structured opportunities to develop arguments and discuss them with their peers. In scientific argument, the data, claims and warrants (that relate claims to data) are strictly concerned with scientific data; in a socio-scientific argument, students must consider stakeholder perspectives and ethical principles and ideas, in addition to relevant scientific background. Regardless of whether the arguments that students employ point towards scientific or socio-scientific issues, the overall processes students use in order to develop justifications rely on a model that conceptualizes arguments as claims to knowledge [3] .

Prior research in informal student reasoning and socio-scientific issues also indicates that most learners are not able to formulate high-quality arguments (as defined by the ability to articulate justifications for claims and to rebut contrary positions), and highlights the challenges related to promoting argumentation skills. Research suggests that students need experience and practice justifying their claims, recognizing and addressing counter-arguments, and learning about elements that contribute to a strong justification [4] , [5] .

Proponents of Socio-scientific Issues (SSI) education stress that the intellectual development of students in ethical reasoning is necessary to promote understanding of the relationship between science and society [4] , [6] . The SSI approach emphasizes three important principles: (a) because science literacy should be a goal for all students, science education should be broad-based and geared beyond imparting relevant content knowledge to future scientists; (b) science learning should involve students in thinking about the kinds of real-world experiences that they might encounter in their lives; and (c) when teaching about real-world issues, science teachers should aim to include contextual elements that are beyond traditional science content. Sadler and Zeidler, who advocate a SSI perspective, note that “people do not live their lives according to disciplinary boundaries, and students approach socio-scientific issues with diverse perspectives that integrate science and other considerations” [7] .

Standards for science literacy emphasize not only the importance of scientific content and processes, but also the need for students to learn about science that is contextualized in real-world situations that involve personal and community decision-making [7] – [10] . The National Board for Professional Teaching Standards stresses that students need “regular exposure to the human contexts of science [and] examples of ethical dilemmas, both current and past, that surround particular scientific activities, discoveries, and technologies” [11] . Teachers are mandated by national science standards and professional teaching standards to address the social dimensions of science, and are encouraged to provide students with the tools necessary to engage in analyzing bioethical issues; yet they rarely receive training in methods to foster such discussions with students.

The Northwest Association for Biomedical Research (NWABR), a non-profit organization that advances the understanding and support of biomedical research, has been engaging students and teachers in bringing the discussion of ethical issues in science into the classroom since 2000 [12] . The mission of NWABR is to promote an understanding of biomedical research and its ethical conduct through dialogue and education. The sixty research institutions that constitute our members include academia, industry, non-profit research organizations, research hospitals, professional societies, and volunteer health organizations. NWABR connects the scientific and education communities across the Northwestern United States and helps the public understand the vital role of research in promoting better health outcomes. We have focused on providing teachers with both resources to foster student reasoning skills (such as activities in which students practice evaluating arguments using criteria for strong justifications), as well as pedagogical strategies for fostering collaborative discussion [13] – [15] . Our work draws upon socio-scientific elements of functional scientific literacy identified by Zeidler et al. [6] . We include support for teachers in discourse issues, nature of science issues, case-based issues, and cultural issues – which all contribute to cognitive and moral development and promote functional scientific literacy. Our Collaborations to Understand Research and Ethics (CURE) program, funded by a Science Education Partnership Award from the National Institutes of Health (NIH), promotes understanding of translational biomedical research as well as the ethical considerations such research raises.

Many teachers find a principles-based approach most manageable for introducing ethical considerations. The principles include respect for persons (respecting the inherent worth of an individual and his or her autonomy), beneficence/nonmaleficence (maximizing benefits/minimizing harms), and justice (distributing benefits/burdens equitably across a group of individuals). These principles, which are articulated in the Belmont Report [16] in relation to research with human participants (and which are clarified and defended by Beauchamp and Childress [17] ), represent familiar concepts and are widely used. In our professional development workshops and in our support resources, we also introduce teachers to care, feminist, virtue, deontological and consequentialist ethics. Once teachers become familiar with principles, they often augment their teaching by incorporating these additional ethical approaches.

The Bioethics 101 materials that were the focus of our study were developed in conjunction with teachers, ethicists, and scientists. The curriculum contains a series of five classroom lessons and a culminating assessment [18] and is described in more detail in the Program Description below. For many years, teachers have shared with us the dramatic impacts that the teaching of bioethics can have on their students; this research study was designed to investigate the relationship between explicit instruction in bioethical reasoning and resulting student outcomes. In this study, teacher cohorts and student pre/post tests were used to investigate whether CURE professional development and the Bioethics 101 curriculum materials made a significant difference in high school students’ abilities to analyze a case study and justify their positions. Our research strongly indicates that such reasoning approaches can be taught to high school students and can significantly improve their ability to develop well-reasoned justifications to bioethical dilemmas. In addition, student self-reports provide additional evidence of the extent to which bioethics instruction impacted their attitudes and perceptions and increased student motivation and engagement with science content.

Program Description

Our professional development program, Ethics in the Science Classroom, spanned two weeks. The first week, a residential program at the University of Washington (UW) Pack Forest Conference Center, focused on our Bioethics 101 curriculum, which is summarized in Table S1 and is freely available at http://www.nwabr.org . The curriculum, a series of five classroom lessons and a culminating assessment, was implemented by all teachers who were part of our CURE treatment group. The lessons explore the following topics: (a) characteristics of an ethical question; (b) bioethical principles; (c) the relationship between science and ethics and the roles of objectivity/subjectivity and evidence in each; (d) analysis of a case study (including identifying an ethical question, determining relevant facts, identifying stakeholders and their concerns and values, and evaluating options); and (e) development of a well-reasoned justification for a position.

Additionally, the first week focused on effective teaching methods for incorporating ethical issues into science classrooms. We shared specific pedagogical strategies for helping teachers manage classroom discussion, such as asking students to consider the concerns and values of individuals involved in the case while in small single and mixed stakeholder groups. We also provided participants with background knowledge in biomedical research and ethics. Presentations from colleagues affiliated with the NIH Clinical and Translational Science Award program, from the Department of Bioethics and Humanities at the UW, and from NWABR member institutions helped participants develop a broad appreciation for the process of biomedical research and the ethical issues that arise as a consequence of that research. Topics included clinical trials, animal models of disease, regulation of research, and ethical foundations of research. Participants also developed materials directly relevant and applicable to their own classrooms, and shared them with other educators. Teachers wrote case studies and then used ethical frameworks to analyze the main arguments surrounding the case, thereby gaining experience in bioethical analysis. Teachers also developed Action Plans to outline their plans for implementation.

The second week provided teachers with first-hand experiences in NWABR research institutions. Teachers visited research centers such as the Tumor Vaccine Group and Clinical Research Center at the UW. They also had the opportunity to visit several of the following institutions: Amgen, Benaroya Research Institute, Fred Hutchinson Cancer Research Center, Infectious Disease Research Institute, Institute for Stem Cells and Regenerative Medicine at the UW, Pacific Northwest Diabetes Research Institute, Puget Sound Blood Center, HIV Vaccine Trials Network, and Washington National Primate Research Center. Teachers found these experiences in research facilities extremely valuable in helping make concrete the concepts and processes detailed in the first week of the program.

We held two follow-up sessions during the school year to deepen our relationship with the teachers, promote a vibrant ethics in science education community, provide additional resources and support, and reflect on challenges in implementation of our materials. We also provided the opportunity for teachers to share their experiences with one another and to report on the most meaningful longer-term impacts from the program. Another feature of our CURE program was the school-year Institutional Review Board (IRB) and Institutional Animal Care and Use Committee (IACUC) follow-up sessions. Teachers chose to attend one of NWABR’s IRB or IACUC conferences, attend a meeting of a review board, or complete NIH online ethics training. Some teachers also visited the UW Embryonic Stem Cell Research Oversight Committee. CURE funding provided substitutes in order for teachers to be released during the workday. These opportunities further engaged teachers in understanding and appreciating the actual process of oversight for federally funded research.

Participants

Most of the educators who have been through our intensive summer workshops teach secondary level science, but we have welcomed teachers at the college, community college, and even elementary levels. Our participants are primarily biology teachers; however, chemistry and physical science educators, health and career specialists, and social studies teachers have also used our strategies and materials with success.

The research design used teacher cohorts for comparison purposes and recruited teachers who expressed interest in participating in a CURE workshop in either the summer of 2009 or the summer of 2010. We assumed that all teachers who applied to the CURE workshop for either year would be similarly interested in ethics topics. Thus, Cohort 1 included teachers participating in CURE during the summer of 2009 (the treatment group). Their students received CURE instruction during the following 2009–2010 academic year. Cohort 2 (the comparison group) included teachers who were selected to participate in CURE during the summer of 2010. Their students received a semester of traditional classroom instruction in science during the 2009–2010 academic year. In order to track participation of different demographic groups, questions pertaining to race, ethnicity, and gender were also included in the post-tests.

Using an online sample size calculator http://www.surveysystem.com/sscalc.htm , a 95% Confidence Level, and a Confidence Interval of 5, it was calculated that a sample size of 278 students would be needed for the research study. For that reason, six Cohort 1 teachers were impartially chosen to be in the study. For the comparison group, the study design also required six teachers from Cohort 2. The external evaluator contacted all Cohort 2 teachers to explain the research study and obtain their consent, and successfully recruited six to participate.

Ethics Statement

This study was conducted according to the principles expressed in the Declaration of Helsinki. Prior to the study, research processes and materials were reviewed and approved by the Western Institutional Review Board (WIRB Study #1103180). CURE staff and evaluators received written permission from parents to have their minor children participate in the Bioethics 101 curriculum, for the collection and subsequent analysis of students’ written responses to the assessment, and for permission to collect and analyze student interview responses. Teachers also provided written informed consent prior to study participation. All study participants and/or their legal guardians provided written informed consent for the collection and subsequent analysis of verbal and written responses.

Research Study

Analyzing a case study: cure and comparison students..

Teacher cohorts and pre/post tests were used to investigate whether CURE professional development and curriculum materials made a significant difference in high school students’ abilities to analyze a case study and justify their positions. Cohort 1 teachers (N = 6) received CURE professional development and used the Bioethics 101 curriculum with their students (N = 323); Cohort 2 teachers (N = 6) did not receive professional development until after their participation in the study and did not use the curriculum with their students (N = 108). Cohort 2 students were given the test case study and questions, but with only traditional science instruction during the semester. Each Cohort was further divided into two groups (A and B). Students in Group A were asked to complete a pre-test prior to the case study, while students in Group B did not. All four student groups completed a post-test after analysis of the case study. This four-group model ( Table 1 ) allowed us to assess: 1) the effect of CURE treatment relative to conventional education practices, 2) the effect of the pre-test relative to no pre-test, and 3) the interaction between the pre-test and CURE treatment condition. Random assignment of students to treatment and comparison groups was not possible; consequently we used existing intact classes. In all, 431 students and 12 teachers participated in the research study ( Table 2 ).

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In order to assess the acquisition of higher-order justification skills, students used the summative assessment provided in our curriculum as the pre- and post-test. We designed the curriculum to scaffold students’ ability to write a persuasive bioethical position; by the time they participated in the assessment, Cohort 1 students had opportunities to discuss the elements of a strong justification as well as practice in analyzing case studies. For our research, both Cohort 1 and 2 students were asked to analyze the case study of “Ashley X” ( Table S2 ), a young girl with a severe neurological impairment whose parents wished to limit her growth through a combination of interventions so that they could better care for her. Students were asked to respond to the ethical question: “Should one or more medical interventions be used to limit Ashley’s growth and physical maturation? If so, which interventions should be used and why?” In their answer, students were encouraged to develop a well-reasoned written position by responding to five questions that reflected elements of a strong justification. One difficulty in evaluating a multifaceted science-related learning task (analyzing a bioethical case study and justifying a position) is that a traditional multiple-choice assessment may not adequately reflect the subtlety and depth of student understanding. We used a rubric to assess student responses to each of the following questions (Q) on a scale of 1 to 4; these questions represent key elements of a strong justification for a bioethical argument:

• Q1: Student Position: What is your decision?
• Q2: Factual Support: What facts support your decision? Is there missing information that could be used to make a better decision?
• Q3: Interests and Views of Others: Who will be impacted by the decision and how will they be impacted?
• Q4: Ethical Considerations: What are the main ethical considerations?
• Q5: Evaluating Alternative Options: What are some strengths and weaknesses of alternate solutions?

In keeping with our focus on the process of reasoning rather than on having students draw any particular conclusion, we did not assess students on which position they took, but on how well they stated and justified the position they chose.

We used a rubric scoring guide to assess student learning, which aligned with the complex cognitive challenges posed by the task ( Table S3 ). Assessing complex aspects of student learning is often difficult, especially evaluating how students represent their knowledge and competence in the domain of bioethical reasoning. Using a scoring rubric helped us more authentically score dimensions of students’ learning and their depth of thinking. An outside scorer who had previously participated in CURE workshops, has secondary science teaching experience, and who has a Masters degree in Bioethics blindly scored all student pre- and post-tests. Development of the rubric was an iterative process, refined after analyzing a subset of surveys. Once finalized, we confirmed the consistency and reliability of the rubric and grading process by re-testing a subset of student surveys randomly selected from all participating classes. The Cronbach alpha reliability result was 0.80 [19] .

The rubric closely followed the framework introduced through the curricular materials and reinforced through other case study analyses. For example, under Q2, Factual Support , a student rated 4 out of 4 if their response demonstrated the following:

• The justification uses the relevant scientific reasons to support student’s answer to the ethical question.
• The student demonstrates a solid understanding of the context in which the case occurs, including a thoughtful description of important missing information.
• The student shows logical, organized thinking. Both facts supporting the decision and missing information are presented at levels exceeding standard (as described above).

An example of a student response that received the highest rating for Q2 asking for factual support is: “Her family has a history of breast cancer and fibrocystic breast disease. She is bed-bound and completely dependent on her parents. Since she is bed-bound, she has a higher risk of blood clots. She has the mentality of an infant. Her parents’ requests offer minimal side effects. With this disease, how long is she expected to live? If not very long then her parents don’t have to worry about growth. Are there alternative measures?”

In contrast, a student rated a 1 for responses that had the following characteristics:

• Factual information relevant to the case is incompletely described or is missing.
• Irrelevant information may be included and the student demonstrates some confusion.

An example of a student response that rated a 1 for Q2 is: “She is unconscious and doesn’t care what happens.”

All data were entered into SPSS (Statistical Package for the Social Sciences) and analyzed for means, standard deviations, and statistically significant differences. An Analysis of Variance (ANOVA) was used to test for significant overall differences between the two cohort groups. Pre-test and post-test composite scores were calculated for each student by adding individual scores for each item on the pre- and post-tests. The composite score on the post-test was identical in form and scoring to the composite score on the pre-test. The effect of the CURE treatment on post-test composite scores is referred to as the Main Effect, and was determined by comparing the post-test composite scores of the Cohort 1 (CURE) and Cohort 2 (Comparison) groups. In addition, Cohort 1 and Cohort 2 means scores for each test question (Questions 1–5) were compared within and between cohorts using t-tests.

CURE student perceptions of curriculum effect.

During prior program evaluations, we asked teachers to identify what they believed to be the main impacts of bioethics instruction on students. From this earlier work, we identified several themes. These themes, listed below, were further tested in our current study by asking students in the treatment group to assess themselves in these five areas after participation in the lesson, using a retrospective pre-test design to measure self-reported changes in perceptions and abilities [20] .

• Interest in the science content of class (before/after) participating in the Ethics unit.
• Ability to analyze issues related to science and society and make well-justified decisions (before/after) participating in the Ethics unit.
• Awareness of ethics and ethical issues (before/after) participating in the Ethics unit.
• Understanding of the connection between science and society (before/after) participating in the Ethics unit.
• Ability to listen to and discuss different viewpoints (before/after) participating in the Ethics unit.

After Cohort 1 (CURE) students participated in the Bioethics 101 curriculum, we asked them to indicate the extent to which they had changed in each of the theme areas we had identified using Likert-scale items on a retrospective pre-test design [21] , with 1 =  None and 5 =  A lot!. We used paired t-tests to examine self-reported changes in their perceptions and abilities. The retrospective design avoids response-shift bias that results from overestimation or underestimation of change since both before and after information is collected at the same time [20] .

Student Demographics

Demographic information is provided in Table 3 . Of those students who reported their gender, a larger number were female (N = 258) than male (N = 169), 60% and 40%, respectively, though female students represented a larger proportion of Cohort 1 than Cohort 2. Students ranged in age from 14 to 18 years old; the average age of the students in both cohorts was 15. Students were enrolled in a variety of science classes (mostly Biology or Honors Biology). Because NIH recognizes a difference between race and ethnicity, students were asked to respond to both demographic questions. Students in both cohorts were from a variety of ethnic and racial backgrounds.

https://doi.org/10.1371/journal.pone.0036791.t003

Pre- and Post-Test Results for CURE and Comparison Students

Post-test composite means for each cohort (1 and 2) and group (A and B) are shown in Table 4 . Students receiving CURE instruction earned significantly higher (p<0.001) composite mean scores than students in comparison classrooms. Cohort 1 (CURE) students (N = 323) post-test composite means were 10.73, while Cohort 2 (Comparison) students (N = 108) had post-test composite means of 9.16. The ANOVA results ( Table 5 ) showed significant differences in the ability to craft strong justifications between Cohort 1 (CURE) and Cohort 2 (Comparison) students F (1, 429) = 26.64, p<0.001.

https://doi.org/10.1371/journal.pone.0036791.t004

https://doi.org/10.1371/journal.pone.0036791.t005

We also examined if the pre-test had a priming effect on the students’ scores because it provides an opportunity to practice or think about the content. The pre-test would not have this effect on the comparison group because they were not exposed to CURE teaching or materials. If the pre-test provides a practice or priming effect, this would result in higher post-test performance by CURE students receiving the pre-test than by CURE students not receiving the pre-test. For this comparison, the F (1, 321) = 0.10, p = 0.92. This result suggests that the differences between the CURE and comparison groups are attributable to the treatment condition and not a priming effect of the pre-test.

After differences in main effects were investigated, we analyzed differences between and within cohorts on individual items (Questions 1–5) using t-tests. The Mean scores of individual questions for each cohort are shown in Figure 1 . There were no significant differences between Cohort 1 (CURE) and Cohort 2 (Comparison) on pre-test scores. In fact, for Q5, the mean pre-test scores for the Cohort 2 (Comparison) group were slightly higher (1.8) than the Cohort 1 (CURE) group (1.6). On the post-test, the Cohort 1 (CURE) students significantly outscored the Cohort 2 (Comparison) students on all questions; Q1, Q3, and Q4 were significant at p<0.001, Q2 was significant at p<0.01, and Q5 was significant at p<0.05. The largest post-test difference between Cohort 1 (CURE) students and Cohort 2 (Comparison) students was for Q3, with an increase of 0.6; all the other questions showed changes of 0.3 or less. Comparing Cohort 1 (CURE) post-test performance on individual questions yields the following results: scores were highest for Q1 (mean = 2.8), followed by Q3 (mean = 2.2), Q2 (mean = 2.1), and Q5 (mean = 1.9). Lowest Cohort 1 (CURE) post-test scores were associated with Q4 (mean = 1.8).

Mean scores for individual items of the pre-test for each cohort revealed no differences between groups for any of the items (Cohort 1, CURE, N = 323; Cohort 2, Comparison, N = 108). Post-test gains of Cohort 1 (CURE) relative to Cohort 2 (Comparison) were statistically significant for all questions. (Question (Q) 1) What is your decision? (Q2) What facts support your decision? Is there missing information that could be used to make a better decision? (Q3) Who will be impacted by the decision and how will they be impacted? (Q4) What are the main ethical considerations? and (Q5)What are some strengths and weaknesses of alternate solutions? Specifically: (Q1), (Q3), (Q4) were significant at p<0.001 (***); (Q2) was significant at p<0.01 (**); and (Q5) was significant at p<0.05 (*). Lines represent standard deviations.

https://doi.org/10.1371/journal.pone.0036791.g001

Overall, across all four groups, mean scores for Q1 were highest (2.6), while scores for Q4 were lowest (1.6). When comparing within-Cohort scores on the pre-test versus post-test, Cohort 2 (Comparison Group) showed little to no change, while CURE students improved on all test questions.

CURE Student Perceptions of Curriculum Effect

After using our resources, Cohort 1 (CURE) students showed highly significant gains (p<0.001) in all areas examined: interest in science content, ability to analyze socio-scientific issues and make well-justified decisions, awareness of ethical issues, understanding of the connection between science and society, and the ability to listen to and discuss viewpoints different from their own ( Figure 2 ). Overall, students gave the highest score to their ability to listen to and discuss viewpoints different than their own after participating in the CURE unit (mean = 4.2). Also highly rated were the changes in understanding of the connection between science and society (mean = 4.1) and the awareness of ethical issues (mean = 4.1); these two perceptions also showed the largest change pre-post (from 2.8 to 4.1 and 2.7 to 4.1, respectively).

Mean scores for individual items of the retrospective items on the post-test for Cohort 1 students revealed significant gains (p<0.001) in all self-reported items: Interest in science (N = 308), ability to Analyze issues related to science and society and make well-justified decisions (N = 306), Awareness of ethics and ethical issues (N = 309), Understanding of the connection between science and society (N = 308), and the ability to Listen and discuss different viewpoints (N = 308). Lines represent standard deviations.

https://doi.org/10.1371/journal.pone.0036791.g002

NWABR’s teaching materials provide support both for general ethics and bioethics education, as well as for specific topics such as embryonic stem cell research. These resources were developed to provide teachers with classroom strategies, ethics background, and decision-making frameworks. Teachers are then prepared to share their understanding with their students, and to support their students in using analysis tools and participating in effective classroom discussions. Our current research grew out of a desire to measure the effectiveness of our professional development and teaching resources in fostering student ability to analyze a complex bioethical case study and to justify their positions.

Consistent with the findings of SSI researchers and our own prior anecdotal observations of teacher classrooms and student work, we found that students improve in their analytical skill when provided with reasoning frameworks and background in concepts such as beneficence, respect, and justice. Our research demonstrates that structured reasoning approaches can be effectively taught at the secondary level and that they can improve student thinking skills. After teachers participated in a two-week professional development workshop and utilized our Bioethics 101 curriculum, within a relatively short time period (five lessons spanning approximately one to two weeks), students grew significantly in their ability to analyze a complex case and justify their position compared to students not exposed to the program. Often, biology texts present a controversial issue and ask students to “justify their position,” but teachers have shared with us that students frequently do not understand what makes a position or argument well-justified. By providing students with opportunities to evaluate sample justifications, and by explicitly introducing a set of elements that students should include in their justifications, we have facilitated the development of this important cognitive skill.

The first part of our research examined the impact of CURE instruction on students’ ability to analyze a case study. Although students grew significantly in all areas, the highest scores for the Cohort 1 (CURE) students were found in response to Q1 of the case analysis, which asked them to clearly state their own position, and represented a relatively easy cognitive task. This question also received the highest score in the comparison group. Not surprisingly, students struggled most with Q4 and Q5, which asked for the ethical considerations and the strengths and weaknesses of different solutions, respectively, and which tested specialized knowledge and sophisticated analytical skills. The area in which we saw the most growth in Cohort 1 (CURE) (both in comparison to the pre-test and in relation to the comparison group) was in students’ ability to identify stakeholders in a case and state how they might be impacted by a decision (Q3). Teachers have shared with us that secondary students are often focused on their own needs and perspectives; stepping into the perspectives of others helps enlarge their understanding of the many views that can be brought to bear upon a socio-scientific issue.

Many of our teachers go far beyond these introductory lessons, revisiting key concepts throughout the year as new topics are presented in the media or as new curricular connections arise. Although we have observed this phenomenon for many years, it has been difficult to evaluate these types of interventions, as so many teachers implement the concepts and ideas differently in response to their unique needs. Some teachers have used the Bioethics 101 curriculum as a means for setting the tone and norms for the entire year in their classes and fostering an atmosphere of respectful discussion. These teachers note that the “opportunity cost” of investing time in teaching basic bioethical concepts, decision-making strategies, and justification frameworks pays off over the long run. Students’ understanding of many different science topics is enhanced by their ability to analyze issues related to science and society and make well-justified decisions. Throughout their courses, teachers are able to refer back to the core ideas introduced in Bioethics 101, reinforcing the wide utility of the curriculum.

The second part of our research focused on changes in students’ self-reported attitudes and perceptions as a result of CURE instruction. Obtaining accurate and meaningful data to assess student self-reported perceptions can be difficult, especially when a program is distributed across multiple schools. The traditional use of the pretest-posttest design assumes that students are using the same internal standard to judge attitudes or perceptions. Considerable empirical evidence suggests that program effects based on pre-posttest self-reports are masked because people either overestimate or underestimate their pre-program perceptions [20] , [22] – [26] . Moore and Tananis [27] report that response shift can occur in educational programs, especially when they are designed to increase students’ awareness of a specific construct that is being measured. The retrospective pre-test design (RPT), which was used in this study, has gained increasing prominence as a convenient and valid method for measuring self-reported change. RPT has been shown to reduce response shift bias, providing more accurate assessment of actual effect. The retrospective design avoids response-shift bias that results from overestimation or underestimation of change since both before and after information is collected at the same time [20] . It is also convenient to implement, provides comparison data, and may be more appropriate in some situations [26] . Using student self-reported measures concerning perceptions and attitudes is also a meta-cognitive strategy that allows students to think about their learning and justify where they believe they are at the end of a project or curriculum compared to where they were at the beginning.

Our approach resulted in a significant increase in students’ own perceived growth in several areas related to awareness, understanding, and interest in science. Our finding that student interest in science can be significantly increased through a case-study based bioethics curriculum has implications for instruction. Incorporating ethical dilemmas into the classroom is one strategy for increasing student motivation and engagement with science content. Students noted the greatest changes in their own awareness of ethical issues and in understanding the connection between science and society. Students gave the highest overall rating to their ability to listen to and discuss viewpoints different from their own after participation in the bioethics unit. This finding also has implications for our future citizenry; in an increasingly diverse and globalized society, students need to be able to engage in civil and rational dialogue with others who may not share their views.

Conducting research studies about ethical learning in secondary schools is challenging; recruiting teachers for Cohort 2 and obtaining consent from students, parents, and teachers for participation was particularly difficult, and many teachers faced restraints from district regulations about curriculum content. Additional studies are needed to clarify the extent to which our curricular materials alone, without accompanying teacher professional development, can improve student reasoning skills.

Teacher pre-service training programs rarely incorporate discussion of how to address ethical issues in science with prospective educators. Likewise, with some noticeable exceptions, such as the work of the University of Pennsylvania High School Bioethics Project, the Genetic Science Learning Center at the University of Utah, and the Kennedy Institute of Ethics at Georgetown University, relatively few resources exist for high school curricular materials in this area. Teachers have shared with us that they know that such issues are important and engaging for students, but they do not have the experience in either ethical theory or in managing classroom discussion to feel comfortable teaching bioethics topics. After participating in our workshops or using our teaching materials, teachers shared that they are better prepared to address such issues with their students, and that students are more engaged in science topics and are better able to see the real-world context of what they are learning.

Preparing students for a future in which they have access to personalized genetic information, or need to vote on proposals for stem cell research funding, necessitates providing them with the tools required to reason through a complex decision containing both scientific and ethical components. Students begin to realize that, although there may not be an absolute “right” or “wrong” decision to be made on an ethical issue, neither is ethics purely relative (“my opinion versus yours”). They come to realize that all arguments are not equal; there are stronger and weaker justifications for positions. Strong justifications are built upon accurate scientific information and solid analysis of ethical and contextual considerations. An informed citizenry that can engage in reasoned dialogue about the role science should play in society is critical to ensure the continued vitality of the scientific enterprise.

“I now bring up ethical issues regularly with my students, and use them to help students see how the concepts they are learning apply to their lives…I am seeing positive results from my students, who are more clearly able to see how abstract science concepts apply to them.” – CURE Teacher “In ethics, I’ve learned to start thinking about the bigger picture. Before, I based my decisions on how they would affect me. Also, I made decisions depending on my personal opinions, sometimes ignoring the facts and just going with what I thought was best. Now, I know that to make an important choice, you have to consider the other people involved, not just yourself, and take all information and facts into account.” – CURE Student

Supporting Information

Bioethics 101 Lesson Overview.

https://doi.org/10.1371/journal.pone.0036791.s001

Case Study for Assessment.

https://doi.org/10.1371/journal.pone.0036791.s002

Grading Rubric for Pre- and Post-Test: Ashley’s Case.

https://doi.org/10.1371/journal.pone.0036791.s003

Acknowledgments

We thank Susan Adler, Jennifer M. Pang, Ph.D., Leena Pranikay, and Reitha Weeks, Ph.D., for their review of the manuscript, and Nichole Beddes for her assistance scoring student work. We also thank Carolyn Cohen of Cohen Research and Evaluation, former CURE Evaluation Consultant, who laid some of the groundwork for this study through her prior work with us. We also wish to thank the reviewers of our manuscript for their thoughtful feedback and suggestions.

Author Contributions

Conceived and designed the experiments: JTC LJC. Performed the experiments: LJC. Analyzed the data: LJC JTC DNK. Contributed reagents/materials/analysis tools: JCG. Wrote the paper: JTC LJC DNK JCG. Served as Principal Investigator on the CURE project: JTC. Provided overall program leadership: JTC. Led the curriculum and professional development efforts: JTC JCG. Raised funds for the CURE program: JTC.

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Leading in Context

Unleash the Positive Power of Ethical Leadership

How Is Critical Thinking Different From Ethical Thinking?

By Linda Fisher Thornton

Ethical thinking and critical thinking are both important and it helps to understand how we need to use them together to make decisions. 

• Critical thinking helps us narrow our choices.  Ethical thinking includes values as a filter to guide us to a choice that is ethical.
• Using critical thinking, we may discover an opportunity to exploit a situation for personal gain.  It’s ethical thinking that helps us realize it would be unethical to take advantage of that exploit.

Develop An Ethical Mindset Not Just Critical Thinking

Critical thinking can be applied without considering how others will be impacted. This kind of critical thinking is self-interested and myopic.

“Critical thinking varies according to the motivation underlying it. When grounded in selfish motives, it is often manifested in the skillful manipulation of ideas in service of one’s own, or one’s groups’, vested interest.” Defining Critical Thinking, The Foundation For Critical Thinking

Critical thinking informed by ethical values is a powerful leadership tool. Critical thinking that sidesteps ethical values is sometimes used as a weapon. 

When we develop leaders, the burden is on us to be sure the mindsets we teach align with ethical thinking. Otherwise we may be helping people use critical thinking to stray beyond the boundaries of ethical business. 

Unl eash the Positive Power of Ethical Leadership

© 2019-2024 Leading in Context LLC

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What is Ethics?

Andrew Fisher; David Svolba; Henry Imler; and Mark Dimmock

Click to print this chapter: What Is Ethics?

Welcome to Ethics! This field of study can be thought of in several ways, but for our purposes, we will think of Ethics as the study of applied value. [1]   When we talk about Ethics, we are generally talking about one of three things:

• Descriptive Ethics
• Normative Ethics, or

Descriptive Ethics is describing what and how a person or group thinks about right and wrong. The goal is to understand the Other. Here we are not attempting to evaluate the Other’s positions. We will not be spending much time doing descriptive ethics – we will leave that to the fields of Religious Studies, Sociology, History, et cetera.

Normative Ethics is the process of figuring out what is morally permissible or impermissible by applying a moral theory to a given problem or situation. The goal is to figure out what is right and wrong. Another way of saying this is that normative ethics is the do-ing of ethics. We will be spending a portion of our time in this course doing normative ethics. You will encounter lots of moral dilemmas, thought experiments, and historical reflections that will challenge you to coherently apply a given (or your own) moral approach to the problem to create solutions.

Metaethics is the process of thinking about Ethics itself. [2] This is what we will primarily be concerning ourselves with in this class. Some questions we will cover will include the following.

• What is the nature of value? Is it a fiction, created, or discovered?
• What beings are valuable (and to what degree)?
• What is the right or wrong making feature of our actions?
• What determines a valuable life (the good life)?

We will also look at various moral theories that have been posed as methods of determining what is moral and immoral. Major approaches include:

• Natural Law Theory,
• Utilitarianism,
• Deontology, and
• Virtue Ethics.

Our goal here is to understand the nature of Ethics and determine which ethical approaches are worthwhile. We might ask if the approach is coherent (consistent with itself without contradiction), complete (is able to address most ethical questions), pragmatic (is able to be lived out), et cetera. In this class, we will primarily be doing Metaethics.

Methods of Thinking about Ethical Problems [3]

Throughout this class, we will deal with ethical problems, situations in the abstract or real people’s lives in which we must make a moral determination (example of doing normative ethics).  We begin with a hard case , one which might pull us in different directions.

Baby Theresa . Theresa is born an anencephalic infant, which means that she will never be conscious, though she may live for several months since she has a functioning brain-stem that controls respiration and other life-sustaining processes.  Theresa’s parents are understandably devastated.  After consulting with Theresa’s doctors, the parents make a decision: they request that Theresa’s healthy organs be removed, thereby killing her, and given to otherwise healthy children who will die if they do not receive an organ.  The alternative is to donate Theresa’s organs after she dies, but as we wait for nature to take its course children will die who could have been saved, and Theresa’s organs will become less viable. [4]

Would it be ethically wrong to kill Baby Theresa in order to save the lives of other children?

How would we even begin to answer a question like this?

Some False Starts

Why not seek an answer to the question by…

Consulting the law?

But there may not be a law that covers the hard case, in which case the law will not offer us any guidance.  More importantly, however:

Is the law a reliable guide to right and wrong?  Let’s consider: can we think of actions (real or imagined, current or historical) that are legal but unethical?  Can we think of actions that are illegal but ethical? If so – if legality and ethics can diverge – then the law probably isn’t a reliable guide to determining the right thing to do.

Conducting an opinion poll?

But others may be as torn as we are concerning what to do, in which case an opinion poll won’t offer us any guidance.  More importantly, however:

Are opinion polls a reliable guide to right and wrong?  Let’s consider: can we think of actions that are (or were ) popularly approved of but unethical?  Can we think of ethical actions that are not popularly approved of?  If so – if popular opinion and ethics can diverge – then opinion polls will not be a reliable guide to determining the right thing to do.

Going with ‘gut feelings,’ or the dictates of conscience?

But especially when it comes to hard cases, we may not have clear feelings one way or the other—or, more likely still, our feelings might pull us in opposing directions, leading us to draw different conclusions about right and wrong.  More importantly, however:

Are ‘gut feelings’ (or conscience) a reliable guide to right and wrong?  Again, let’s apply the same divergence test we applied when considering the first two suggestions: can we think of examples in which conscience errs, or a person’s gut feelings lead her astray?  We might also reasonably wonder about the source of gut feelings or dictates of conscience.  Why think that these give us glimpses of ethical truth, rather than, for example, merely reflecting on assumptions and biases that we have accumulated through our upbringing and socialization?

Ethical Argument

There is a better approach to ethical hard cases than any of the false starts canvassed above: we can think about them.  We can consider the reasons for and against certain ethical evaluations.  We can construct and evaluate ethical arguments and see in which direction the weight of reasons tilt.

You might not be accustomed to thinking of ethics as a subject we can reason about.  After all, many ethical disagreements seem anything but reasonable: they are often passionately emotional and intractable.  But this might simply reflect the fact that we are not prone to reason about ethics well .  Really, this is not so surprising, since reasoning well about any subject, and certainly a subject as complex and difficult as ethics, requires considerable experience.

A first step in learning how to reason well about ethical issues is to learn how ethical arguments work.  One standard form of ethical argument seeks to derive particular ethical judgments— for example, the judgment that it would be wrong to kill Baby Theresa—from general ethical principles .  A general ethical principle is a statement that says that a certain kind of action is ethical or unethical.

Here, for example, is a general ethical principle, which we may call the Benefits-Without-Harm Principle , or

BWHP :  If an action will benefit people, without harming anyone, then it is ethically right.

BWHP identifies what philosophers call a sufficient condition for ethically right action.  If an action benefits people without causing any harm, then that’s enough – it’s sufficient – to make that action ethically right, regardless of other features of the action or the circumstances in which the action is performed.

Suppose we find BWHP intuitively compelling.  Does it shed any light on our question about whether killing Baby Theresa would be unethical?  It might seem to, for one could appeal to BWHP in making the following ethical argument:

Argument 1 (A1)

• 1) If an action will benefit people, without harming anyone, then it is ethically right.
• 2) Killing Baby Theresa will benefit people, without harming anyone.
• 3) Therefore, killing Baby Theresa is ethically right.

For the moment, never mind whether this argument is convincing.  Rather, try to appreciate how this method of arriving at ethical judgments differs significantly from the false starts we considered above.

Evaluating Ethical Arguments

In evaluating a simple ethical argument like A1, there are two basic questions we can ask:

• 1) Is the general principle to which the argument appeals (in this case, BWHP) a plausible one?
• 2) Is the principle correctly applied to the case under consideration?

As for the first question, one common way to assess the plausibility of a general ethical principle is by using what philosophers call the method of counterexample .  This involves searching for cases (real or imagined) in which the principle gives the intuitively wrong result.  Let’s illustrate this method by devising a possible counterexample to our sample principle, BWHP:

Benefactor .  I am a very wealthy man in a small city with two hospitals.  One hospital (Sunnyvale) serves the very rich and is decked out with all the latest and greatest medical equipment and is staffed by the most talented doctors and nurses.  The other hospital (City General) serves the rest of the city (a majority of the population) and is badly under-equipped, under-staffed, and desperately in need of upgrades and repairs.  Despite being aware of the dramatic inequality in the relative state of these two hospitals, I donate several million dollars to Sunnyvale and give nothing to City General. My reason is that I have been a patient at Sunnyvale several times in the past and am grateful for the treatment and care I received there.

Have I acted ethically right?  Was giving several million dollars to Sunnyvale the right thing to do ? BWHP suggests that it was.  After all:

Argument 2 (A2)

• 2) Donating the money to Sunnyvale benefits people without harming anyone.
• 3) Therefore, donating the money to Sunnyvale is ethically right.

But suppose we disagree with the claim that donating the money to Sunnyvale is the ethically right thing to do.  What I should have done, we might argue, is donate the money to the hospital that needed it most—City General—where it could have done significantly more good.  In our estimation then, BWHP yields the incorrect verdict in the case of Benefactor , and that’s a reason to doubt its validity.

Of course, counterexamples in ethics are never conclusive , since one always has the option to ‘bite the bullet’ and take on-board the counterintuitive ethical judgment. For example, a proponent of BWHP could give up the judgment that the money should have been donated to City General (and thereby state that giving it to Sunnyvale was the right thing) instead of giving up on BWHP. In ethics, counterexamples give us a choice: we can modify our principles to fit our ethical judgments, or we can modify our ethical judgments to fit our principles.  Unfortunately, there is no algorithm for deciding when to do which.  The best we can do is try to use good judgment and be on guard against various forms of bias.

In any case, let’s suppose that BWHP passes our tests.  Let’s suppose we’ve considered a wide range of cases in which an action benefits people without harming anyone, and without exception we are disposed to judge these actions ethically right.  When evaluating arguments like A1, there is still work to be done even if we find acceptable the general ethical principle to which the argument appeals.  We need to ask whether the principle actually applies to the case under consideration.  In evaluating A1, for example, we have to ask whether it is true that killing Baby Theresa would benefit people without harming anyone.  We may disagree about whether an individual like Baby Theresa is harmed by being killed.  In evaluating A2, we might disagree about whether there can be circumstances in which not bestowing a gift constitutes a harm, and, if so, whether these circumstances obtain in Benefactor .  Complex conceptual and empirical issues like these arise all the time when thinking about right and wrong and form a large part of the workload in philosophical ethics.

Other Important Argument Forms

Thus far we’ve looked only at ethical arguments in which a particular action is said to conform to a general ethical principle.  These arguments have the following form or pattern :

• General Principle: Actions of type X are ethically right (or ethically wrong).
• Particular judgment: This action, a , is an X.
• Conclusion: Thus, a is ethically right (or ethically wrong).

As you begin to read more widely in philosophical ethics you will notice that there are many different argument-forms that philosophers commonly employ.  Learning these patterns will improve your comprehension of arguments in ethics and your ability to offer compelling support for your own ethical views.  Here we will cover two more forms: arguments from analogy and arguments from inference to the best explanation .

Arguments from Analogy

• X is ethically right (or ethically wrong).
• Y is just like X in all ethically relevant respects.
• Thus, Y is ethically right (or ethically wrong).

Arguments from analogy are very common and can be very powerful. They derive their persuasive force from a basic principle of rational consistency stating that we should treat like cases alike .

A great illustration of this argument-form can be found in the philosopher Peter Singer’s essay “Famine, Affluence, and Morality.”  In that essay Singer aims to show that people in an affluent society like ours have an ethical obligation to contribute money to charitable organizations working to help the global poor.  In supporting this claim, Singer asks us to imagine that we are passing by a shallow pond in which a small child is drowning. Supposing we could save the child at little cost to ourselves, Singer thinks that

• Nearly everyone would acknowledge that they have in these circumstances an ethical obligation to help the drowning child.

He then argues:

• There are no ethically relevant differences between the situation of the drowning child and the situation of the global poor.

And so, Singer concludes:

• We have an ethical obligation to help the global poor.

In evaluating any argument from analogy, Singer’s included, the most important (but not the only) question to ask is whether it is true that there are no ethically relevant differences between the cases being compared.  After all, if there are ethically relevant differences, these could justify reaching a different conclusion about the two cases (there is no principle stating we must treat unlike cases alike).  And indeed this is the issue on which Singer and critics of his now classic essay have focused.

Arguments from Inference to the Best Explanation

• The best explanation for why X is ethically right (or ethically wrong) is captured by a general principle P.
• Thus, we should accept P.
• But P implies that Y is ethically right (or ethically wrong).

Another common argument-form in ethics, arguments from inference to the best explanation trade on the fact that when we accept an ethical principle we commit ourselves to accepting its implications. A great illustration of this argument-form can be found in Don Marquis’ essay, “Why Abortion is Immoral.”  In that essay Marquis argues as follows:

• It is wrong to kill a normal, adult human being.
• The best explanation for why it is wrong to kill a normal, adult human being is the Deprivation Principle: it is wrong to deprive an individual of a future-of-value.
• Thus, we should accept the Deprivation Principle.
• But the Deprivation Principle implies that abortion is wrong, since abortions deprive individuals (the fetuses) of a future-of-value.
• Thus, abortion is wrong.

In evaluating arguments from inference to the best explanation, Marquis’ included, the most important (but not the only) question to ask is whether the proffered explanation for the initial ethical judgment really is best .  Perhaps there is an alternative principle that explains the initial judgment just as well or better, and which doesn’t imply what the proffered principle implies.  And indeed this is the issue on which Marquis and his critics have focused.

Critical Thinking

By critical thinking , we refer to thinking that is recursive in nature. Any time we encounter new information or new ideas, we double back and rethink our prior conclusions on the subject to see if any other conclusions are better suited. [5]

Critical thinking can be contrasted with Authoritarian thinking . This type of thinking seeks to preserve the original conclusion. Here, thinking and conclusions are policed, as to question the system is to threaten the system. And threats to the system demand a defensive response. Critical thinking is short-circuited in authoritarian systems so that the conclusions are conserved instead of being open for revision.

Humility and vulnerability are key to critical thinking. We might also frame critical thinking in terms of having an open vs. an arrogant mind. The Greek philosopher Plato used two terms that help us name poor thinking. In the dialog Alcibiades , Socrates accuses his friend of being both ignorant and foolish. [6] Agnoeo (ignorance) for Plato, is a simple lack of knowledge — something which can be fixed with ease. Amathia (foolishness) , on the other hand, is a lack of awareness of one’s ignorance. [7] The opposite of amathia is not knowledge itself, but of an awareness of one’s ignorance . Socrates, in The Apology , concludes his search for wisdom in realizing that he is ignorant. [8] And so humility and vulnerability are key parts of critical thinking.

Liberation, not Banking — On Attitude and Practice

Ethics is more than just fact-learning, or a “history of ideas”. It is different from chemistry, mathematics, languages, theology etc. It is unique. Sure, it is important to learn some facts, and learn what others believed, but a successful student needs to do more than simply regurgitate information . One aim of this book is to aid you in engaging with a living discipline. Ethics is a live and evolving subject. When you study philosophy, you are entering a dialog with those that have gone before you and those beside you. Learning about what various philosophers think will enable you to become clearer about what you think and add to that evolving dialog.

Ethics, like much of life, is more developing an attitude vs. accumulating facts. Paulo Freire develops the idea of the “Banking Model of Education” where facts, concepts, et cetera are deposited in the student by a learned master. [9] Such a view considers education to be static and a mere tool in the accumulation of wealth. You may recall politicians on both sides talk about education primarily in terms of job-training. While this is a useful benefit of education, the primary goal of education is to transform an “empty mind into an open one.” [10]

Notice the shift from banking to liberation in the quote. The term “empty mind” implies the purpose of education is to fill the mind with facts, terms, procedures, and directions. But we are not robots whose function is to merely recall information and process orders! We are something else entirely. Just what will be explored throughout this course. An open mind is a liberated mind. The open mind searches for what is good and what is true for their own sakes, not because it will increase one’s bottom line.

Freire contrasts the Banking Model of Education with what can be called a “Liberation Model of Education.” This approach to education places an emphasis upon the humanization of the self and the Other. The goal for the student and the teacher to partner together to solve the problems that face their communities. Sometimes this will involve unmasking the machines that govern our lives but remain hidden from public view. Other times it will involve imagining a more just society or efficient contraption. It might even involve naming and reckoning with current systems of oppression as well as coming to terms with how injustices of the past echo forward. It always resists demonizing the Other and refuses to turn the tables, allowing the oppressed to become the vengeful oppressors, as is the temptation.

The Liberation Educational model is able to simultaneously realize that in some ways we have been the beneficiaries of unjust social contracts, even though we have not been signatories to them. A Banking Model of Education is unable to evaluate the systems in which it is embedded because within it, all knowledge is stable and depends upon the legitimacy of the system for its stability. In contrast, in the Liberation Model of Education, we can question the systems themselves, demanding better and more just systems. We will talk about the connection between power, justice, and knowledge elsewhere in the course.

For Reflection and Discussion – Set 1

• In your educational history, have you encountered something like the banking or liberation model?
• If you have experienced both, which did you find more humanizing?
• What problems face your community? How might you partner others to work on solving those problems?
• In what ways might you be the beneficiaries of an unjust social contracts even though you are not signatories of the contract?
• What sort of attitude is required in regurgitating facts vs. doing ethics?

Distinctions

As we embark on our study of ethics, there are some concepts we need to carefully keep separate. It will be easy to fall victim to these flaws in reasoning. The authors have been guilty of these things from time to time! Before we get to these distinctions, let us talk about one distinction we do not make. Some people distinguish between “ethics” and “morality”. We do not. For us, nothing hangs on the difference between them. In this book you will see us switching between the terms, so do not get hung up on this distinction.

Is vs. Ought – Hume’s Guillotine

David Hume famously pointed out that we cannot move from an is to an ought . [11] He notes that many systems of ethics do, but that he can find no reason that justifies such a transcendence of categories. While this separation of is and ought by Hume is used to argue in part for his skepticism of prescriptive ethical theories we can use the distinction more broadly to note that just because someone is doing something is not evidence that they ought to be doing something. We can illustrate the concept with the following diagram.

Let’s examine these regions:

• Region A – What people are doing, but should not be doing (These are the things we need to stop doing.)
• Region B –Those actions people should be doing and are doing. (This is the sweet spot.)
• Region C – Those hypothetical actions we should be doing, but are not doing. (Where we need to move.)
• Region D – Those hypothetical actions we are not doing and should not be doing. (Stay away!)

Consider some examples that concern what people are doing (IS) and what they should be doing (OUGHT). Imagine the headline: “Scientists discover a gene explaining why we want to punch people wearing red trousers”. The article includes lots of science showing the genes and the statistical proof. Yet, none of this will tells us whether acting violently towards people wearing red trousers is morally acceptable. The explanation of why people feel and act in certain ways leaves it open as to how people morally ought to act.

For Reflection and Discussion – Set 2

1. What actions would you place within regions A, B, C, and D?

2. Discuss why you all placed those actions within their corresponding reasons.

3. What does your answer to #2 say about your ethical viewpoint?

Consider a more serious example, relating to the ethics of eating meat. Supporters of meat-eating often point to our incisor teeth. This shows that it is natural for us to eat meat, a fact used as a reason for thinking that it is morally acceptable to do so. But this is a bad argument. Just because we have incisors does not tell us how we morally ought to behave. It might explain why we find it easy to eat meat, and it might even explain why we like eating meat. But this is not relevant to the moral question. Don’t you believe us? Imagine that dentists discover that our teeth are “designed” to eat other humans alive. What does this tell us about whether it is right or wrong to eat humans alive? Nothing.

Legal vs. Moral

It is easy for people to conflate that which moral with that which is legal . But, in fact, these are two very different categories, much like is vs ought. We can represent this with the following diagram.

The relation between the sets of actions that are legal (within a given jurisdiction) and the actions that are moral.

In the figure above, the categories of actions that are legal overlap with the collection of actions that are moral, but they are not the same set of things. Once again, we have used the letters A, B, C, and D to denote positions in the diagram. Let us look at some possible examples for each of these locations:

• Region A – Legal but not Moral – Jim Crow Laws;
• Region B – Legal and Moral- Refraining from Killing the Innocent;
• Region C – Moral but not Legal – Breaking Jim Crow Laws; and
• Region D – Not moral and not Legal – Killing the Innocent.

Using your knowledge of history or your googling devices, look up instances of immoral behaviors that have been legal in their local jurisdictions.

And so, we can see that we need to be careful when talking about issues of legality and morality. Just because something is legal does not make it moral. In fact, most of the worst atrocities we humans have inflicted upon ourselves have been legal within their jurisdictions. Similarly, we can identify instances of illegal behaviors which are, in fact, moral.

The Issue of Disagreement

Finally, we want to draw your attention to a common bad argument as we want you to be aware of the mistake it leads to. Imagine that a group of friends are arguing about which country has won the most Olympic gold medals. Max says China, Alastair says the US, Dinh says the UK. There is general ignorance and disagreement; but does this mean that there is not an answer to the question of “which country has won the most Olympic gold medals?” No! We cannot move from the fact that people disagree to the conclusion that there is no answer.

Now consider a parallel argument that we hear far too often. Imagine that you and your friends are discussing whether euthanasia is morally acceptable. Some say yes, the others say no. Each of you cite how different cultures have different views on euthanasia. Does this fact — that there is disagreement — mean that there is no answer to the question of whether euthanasia is morally acceptable? Again, the answer is no. That answer did not follow in the Olympic case, and it does not follow in the moral one either.

So just because different cultures have different moral views, this does not show, by itself, that there is no moral truth and no answer to the question. If you are interested in the idea that there is a lack of moral truth in ethics, then Moral Error Theorists defend exactly this position in the chapter on Metaethics.

In this introduction, we have sketched out some basic ideas necessary to start the study of Ethics. We have examined the basics of critical thinking and discussed 3 methods of talking about ethics: Descriptive Ethics, Normative Ethics, and Metaethics. We also looked at the three major positions on the nature of Ethics itself: Nonrealism, Relativism, and Realism. We have signposted some errors to avoid when it comes to thinking about ethics, and some strategies to consider instead. It may be worth occasionally revisiting the ideas discussed here during your studies, to test your own lines of argument and evaluate how “thinking well” is progressing for you. This would not be a weakness! The authors, and any honest philosopher, can reassure you — philosophy is hard, but it is worth it. We hope you find this textbook useful and rewarding in helping you on your own journey through Ethics.

For Reflection and Discussion – Set 3

• What did you think Ethics and Philosophy were before you came into class? How about now?
• What are the most pressing ethical problems facing you and your community?
• Give examples of the is/ought and legal/moral distinctions. When have you or others conflated the them in the past?
• Given what limited exposure you have had to the concepts, do you agree with the Nonrealist, Relativist, or Realist positions? Explain your reasoning and use an example to showcase your thinking.

Check Your Understanding

Select the best answer for each item.

Citation & Use

This chapter was sourced from Phronesis: An Open Introduction to Ethical Theory with Readings , by Henry Imler, which holds a CC-BY-NC-SA 4.0 license.

• Mark Schroeder, “Value Theory,” in The Stanford Encyclopedia of Philosophy, ed. Edward N. Zalta, Fall 2016 (Metaphysics Research Lab, Stanford University, 2016), https://plato.stanford.edu/archives/fall2016/entries/value-theory/. ↵
• Geoff Sayre-McCord, “Metaethics,” in  The Stanford Encyclopedia of Philosophy , ed. Edward N. Zalta, Summer 2014 (Metaphysics Research Lab, Stanford University, 2014), https://plato.stanford.edu/archives/sum2014/entries/metaethics/. ↵
• This section was drawn from David Svolba's chapter on the same topic in Introduction to Ethics from NGE Press. His work is licensed under the Creative Commons open culture licence (CC-BY). ↵
• Drawn from the actual case of Theresa Ann Campo Pearson.  For an overview of the ethical issues involved, see https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5606434/.  ↵
• This discussion of critical thinking is drawn from Professor Barrett’s critical thinking model. For more, see Mike Barrett, “Critical Thinking,” in  Reading, Thinking, Writing (LOGOS Project at MACC, 2017). ↵
• Plato, “Alcibiades,” in  Plato in 12 Volumes , trans. Harold North Flower, vol. 1 (London: Harvard University Press, 1966), sec. 118b, http://data.perseus.org/citations/urn:cts:greekLit:tlg0059.tlg013.perseus-eng1:118b. ↵
• Euripides, in  Bacchae , invokes the idea of “willful blindness” with this term. See Robert Scott and H.G. Liddell,  An Intermediate Greek-English Lexicon  (Oxford, New York: Oxford University Press, 1945). and Euripides and T.A. Buckley, “Bacchae,” in  The Tragedies of Euripides (London: Henry G. Bohn, 1850), l. 490, http://data.perseus.org/citations/urn:cts:greekLit:tlg0006.tlg017.perseus-eng1:476-518. ↵
• Plato, “The Apology,” in  Plato in 12 Volumes , trans. Harold North Flower, vol. 1 (London: Harvard University Press, 1966), secs. 20e–23c, http://data.perseus.org/citations/urn:cts:greekLit:tlg0059.tlg002.perseus-eng1:20e. ↵
• Paulo Freire and Donaldo Macedo,  Pedagogy of the Oppressed: 50th Anniversary Edition , 4 edition (Bloomsbury Academic, 2018), chap. 2. ↵
• Quote by Malcom Forbes as recorded in: Richard Lederer,  A Tribute to Teachers: Wit and Wisdom, Information and Inspiration about Those Who Change Our Lives (Marion Street Press, 2011), chap. 9. ↵
• David Hume,  A Treatise on Human Nature: Being an Attempt to Introduce the Experimental Method of Reasoning Into Moral Subjects; and Dialogues Concerning Natural Religion (Longmans, Green and Company, 1874), 245–46. ↵

What is Ethics? Copyright © 2024 by Andrew Fisher; David Svolba; Henry Imler; and Mark Dimmock is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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4 Philosophy, Ethics and Thinking

Philosophy, Ethics and Thinking

Mark Dimmock and Andrew Fisher, Ethics for A-Level. Cambridge, UK: Open Book Publishers, 2017, https://doi.org/10.11647/OBP.0125

Philosophy is hard. Part of the reason it can feel so annoying is because it seems like it should not be hard. After all, philosophy just involves thinking, and we all think — thinking is easy! We do it without…well, thinking. Yet philosophy involves not just thinking , but thinking well . Of course it is true that we all think. But thinking, like football, math, baking and singing is something we can get better at. Unfortunately, people rarely ask how . If you do not believe us, then just open your eyes. Society might be a whole lot better off if we thought well, more often. Philosophy will not give you the ability to solve the problems of the world; we are not that naive! But if you engage with philosophy, then you will be developing yourself as a thinker who thinks well . Philosophy is useful not merely to would-be philosophers, but also to any would be thinkers, perhaps heading off to make decisions in law, medicine, structural engineering — just about anything that requires you to think effectively and clearly. However, if Philosophy is hard, then Ethics is really hard. This might seem unlikely at first glance. After all, Ethics deals with issues of right and wrong, and we have been discussing “what is right” and “what is wrong” since we were children. Philosophy of Mind, on the other hand, deals with topics like the nature of consciousness, while Metaphysics deals with the nature of existence itself. Indeed, compared to understanding a lecture in the Philosophy of Physics, arguing about the ethics of killing in video games might seem something of a walk in the park. This is misleading, not because other areas of philosophy are easy, but because the complexity of ethics is well camouflaged.

When you study Ethics, and you evaluate what is right and wrong, it can be tempting and comforting to spend time simply defending your initial views; few people would come to a debate about vegetarianism, or abortion, without some pre-existing belief. If you are open-minded in your ethical approach then you need not reject everything you currently believe, but you should see these beliefs as starting points , or base camps, from which your inquiry commences. For example, why do you think that eating animals is OK, or that abortion is wrong? If you think that giving to charity is good, what does “good” mean? For true success, ethics requires intellectual respect. If you might think that a particular position is obviously false, perhaps take this reaction as a red flag, as it may suggest that you have missed some important step of an argument — ask yourself why someone, presumably just as intellectually proficient as yourself, might have once accepted that position. If you are thinking well as an ethicist, then you are likely to have good reasons for your views, and be prepared to rethink those views where you cannot find such good reasons. In virtue of this, you are providing justification for the beliefs you have. It is the philosopher’s job, whatever beliefs you have, to ask why you hold those beliefs. What reasons might you have for those beliefs? For example, imagine the reason that you believe it is OK to eat meat is that it tastes nice . As philosophers we can say that this is not a particularly good reason. Presumably it might taste nice to eat your pet cat, or your neighbor, or your dead aunt; but in these cases the “taste justification” seems totally unimportant! The details of this debate are not relevant here. The point is that there are good and bad reasons for our beliefs and it is the philosopher’s job to reveal and analyze them (Hospers, 1997).Philosophy is more than just fact-learning, or a “history of ideas”. It is different from chemistry, mathematics, languages, theology etc. It is unique. Sure, it is important to learn some facts, and learn what others believed, but a successful student needs to do more than simply regurgitate information in order to both maneuver past the exam hurdles and to become a better ethicist.

Philosophy, and in particular Ethics, is a live and evolving subject. When you study philosophy you are entering a dialogue with those that have gone before you. Learning about what various philosophers think will enable you to become clearer about what you think and add to that evolving dialogue.In order to understand philosophy you need to be authentic with yourself and to ask what you think, using this as a guide to critically analyze the ideas learned and lead yourself to your own justifiable conclusion. Philosophy is a living and dynamic subject that we cannot reduce to a few key facts, or a simplistic noting of what other people have said. Some people distinguish between “ethics” and “morality,” but we will use these words interchangeably. Moral questions are distinct from legal questions, although, of course, moral issues might have some implications for the law. That child labor is morally unacceptable might mean that we have a law against it. But it is unhelpful to answer whether something is morally right or wrong by looking to the laws of the land. It is quite easy to see why. Imagine a country which has a set of actions which are legally acceptable, but morally unacceptable or vice versa — the well-used example of Nazi Germany brings to mind this distinction. Therefore, in discussions about ethics do be wary of talking about legal issues. Much more often than not, such points will be irrelevant.Something to keep separate are moral reasons and prudential reasons. Prudential reasons relate to our personal reasons for doing things. Consider some examples. When defending slavery, people used to cite the fact that it supported the economy as a reason to keep it. It is true, of course, that this is a reason; it is a prudential reason, particularly for those who benefited from slavery such as traders or plantation owners. Yet, such a reason does not help us with the moral question of slavery. We would say “OK, but so what if it helps the economy! Is it right or wrong?”

Another important distinction is between descriptive and prescriptive claims. This is sometimes referred to as the “is/ought” gap. Consider some examples. Imagine the headline: “ Scientists discover a gene explaining why we want to punch people wearing red trousers ”. The article includes lots of science showing the genes and the statistical proof. Yet, none of this will tell us whether acting violently towards people wearing red trousers is morally acceptable. The explanation of why people feel and act in certain ways leaves it open as to how people morally ought to act. Consider a more serious example, relating to the ethics of eating meat. Supporters of meat-eating often point to our incisor teeth. This shows that it is natural for us to eat meat, a fact used as a reason for thinking that it is morally acceptable to do so. But this is a bad argument. Just because we have incisors does not tell us how we morally ought to behave. It might explain why we find it easy to eat meat, and it might even explain why we like eating meat. But this is not relevant to the moral question. Don’t you believe us? Imagine that dentists discover that our teeth are “designed” to eat other humans alive. What does this tell us about whether it is right or wrong to eat humans alive? Nothing.You will also be aware of the philosophical device known as a “thought experiment”. These are hypothetical, sometimes fanciful, examples that are designed to aid our thinking about an issue. For example, imagine that you could travel back in time. You are pointing a gun at your grandfather when he was a child. Would it be possible for you to pull the trigger? Or, imagine that there is a tram running down a track. You could stop it, thereby saving five people, by throwing a fat man under the tracks. Is this the morally right thing to do?The details here are unimportant. What is important, is that it is inadequate to respond: “yes, but that could never happen!” Thought experiments are devices to help us to think about certain issues. Whether they are possible in real life does not stop us doing that thinking. Indeed, it is not just philosophy that uses thought experiments. When Einstein asked what would happen if he looked at his watch near a black hole, this was a thought experiment. In fact, most other subjects use thought experiments. It is just that philosophy uses them more frequently, and they are often a bit more bizarre.

Finally, we want to draw your attention to a common bad argument as we want you to be aware of the mistake it leads to. Imagine that a group of friends are arguing about which country has won the most Olympic gold medals. Max says China, Alastair says the US, Dinh says the UK. There is general ignorance and disagreement; but does this mean that there is not an answer to the question of “which country has won the most Olympic gold medals?” No! We cannot move from the fact that people disagree to the conclusion that there is no answer. Now consider a parallel argument that we hear far too often.Imagine that you and your friends are discussing whether euthanasia is morally acceptable. Some say yes, the others say no. Each of you cite how different cultures have different views on euthanasia. Does this fact — that there is disagreement — mean that there is no answer to the question of whether euthanasia is morally acceptable? Again, the answer is no. That answer did not follow in the Olympic case, and it does not follow in the moral one either. So just because different cultures have different moral views, this does not show, by itself, that there is no moral truth and no answer to the question.

Hospers, J. (1997). An introduction to philosophical analysis ( 4th edition). New York and London: Routledge      https://doi.org/10.4324/9780203714454

Philosophy, Ethics and Thinking Copyright © 2020 by Mark Dimmock and Andrew Fisher, Ethics for A-Level. Cambridge, UK: Open Book Publishers, 2017, https://doi.org/10.11647/OBP.0125 is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.

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Session 3: Critical Thinking Expanded to Ethical Decision-Making Video Transcript

[Rose Proctor] So let's recap a little bit around effective communication and critical thinking. So we talked about that effective communication is having that ability to display appropriate listening, nonverbal, verbal, interpersonal, and written skills. At the same time, being able to send a consistent, clear, concise and courteous message that's easily understood by the receiving party. Also challenging ourselves to ask questions, right? And understand, clarify, summarize, and provide feedback to ensure that the message has been understood by the receiving party. Whereas critical thinking starts to challenge us on our abilities to analyze facts versus assumptions, use logical approaches to form an accurate, objective decision or plan of action. Recognize and clearly define the problem that's in front of us. What are we trying to solve?

What are you critically thinking about? Determining the causes for those Identifying, prioritizing and selecting alternative solutions as outcomes to those problems and then implementing those solutions and even for very complex and difficult decisions. That is what employers are looking for when they talk about effective communication and your ability to problem solve or critically think. So what does having the ability to critically think really mean, right? That's what we were kind of building up in the last section. Let's talk about a few steps. So step one, I want you to be able to separate and understand that there are facts and there are assumptions. Getting beyond your opinion is really important when you're talking about critical thinking in the context of your career. Step 2 gather and consider evidence and evaluate from different ethical perspectives. We're going to provide you an ethical decision making framework. This framework was never meant to make a decision and then find part of the framework that supports that decision, although that's typically what we see in people when they're talking about kind of their decision making skills. It was really meant for critical thinking that naturally all of these ethical frameworks and the different ethical lenses within it contradict each other. And what was meant to happen was to take what you're thinking through each one of these Lenses, through the framework and come to a better, more sound ethical decision.

Instead of making a decision and then finding something to support it. So let's kind of dive into that step two a little bit more around ethical decision making in that Framework. Well there are four ethical lenses, so to speak, as unique as we think we all are, we kind of are creatures of habits in most things, and we have preferences. Our decision making is really no different. It just depends on if you've given enough thought to how you think, right? That kind of metacognition which is just thinking about how you think on whether or not you understand and know those preferences for yourself. So self awareness is really crucial around critical thinking and decision making, but we talk about ethical decision making, here's a framework to help you with that. In that first lens we're talking about a responsibilities lens. The big thing here you guys are not going to understand and probably remember after this video all these big higher education theories on ethics. This lens predominantly aligns with deontology or a deontological perspective, if you want to look that up. But really, the one word here to remember is structure. I want to challenge you to remember that word as you're making decisions. What is the structure to the problem or the situation that I'm making a decision about? What's the structure to the communication lines, right? Around authorities or modes of communication? So structure is all of that, exactly what you think, right? Maybe where you start is is it legal?

It's a great place to start. Laws, policies, procedures, cultural norms, right? All of these things are structural aspects to the decision at hand or the problem that you're trying to solve. The next ethical lens is is wrapped around justice theories. You know around equality and fairness and all these types of things. It's relationship focused, but the one word to remember is stakeholders. So what does it mean to be a stakeholder? It just means that that individual or maybe organization or group of people, whatever that is that you're defining as a stakeholder, has some kind of impact from your decision. So for you guys, as high school students, maybe you're making a decision on whether or not you're going to college. Maybe you're moving away. Some of the stakeholders in that, are you, yourself. Maybe you have a job already, so your current employer, your parents, have probably a big impact from that. If you have a significant other right.

These are all different stakeholders that actually have kind of an impact from your decision. The next lens is a results lens, so maybe you've heard the theory around utilitarianism or consequentialism. Or maybe you know just what's best for the greater good. All of these types of things fall in that ethical perspective. But the one word to remember is outcome. So I want to challenge you guys to think about what are the possible alternative outcomes to the decision that you're making and not just the outcome that you desire, right? But be thinking about even undesirable outcomes. What happens if that's the outcome from the decision that you're making? And then finally the last lens is a virtue ethics lens that's really challenging you on character, and it aligns with the word reputation. But we kind of challenge our students here at the University to think about the So what? This is the impact. This is what, you Know, what precedents are you setting?

How does this align with your own core values? How does it align with the values of the organization maybe that you're making that decision on behalf of? And so sometimes there's either a little bit of soul searching to understand your own personal values, or some research about your organization's values and how your decision is aligning or misaligning with those. So as you think about kind of making more ethical decisions, we want you to quickly be able to reference these types of of ethical lenses quickly, but with four words you can do that. Force yourself to critically think about what is the structure? Who are the stakeholders? What are some of the outcomes that are potential? And then what's the impact long-term?

I think ethics incorporation into any decision-making is very crucial because it's, it's kind of taking it from a different, a bigger perspective than your own. It's stuff that is generally accepted and held to be true, whereas stuff that you what you may believe in what you think is can be personal and you may have a reason for thinking what you think, which isn't wrong. But when you look at it from an ethical perspective, you're looking at it from something that's more socially acceptable or culturally acceptable, whatever different way you want to twist it, but. Whenever you look at something from an ethical perspective, you're you know it. You know it to be true, you know, and sometimes people have wrong ideas or wrong beliefs, and it's not necessarily on them for that issue, but it's that they aren't educated enough, and it's something that we need to focus on as a society to get educated on topics that are important, especially that are up to date, whether it be anything you know. You can, you can go into a lot of different situations for that, but I think thinking of it from ethical perspective makes you kind of understand that it is a lot bigger than yourself, and that there's very different perspectives, theories, lenses and stuff that you can use to make that decision.

So I think a lot of people do this sort of naturally. Most people don't actually think about their ethical framework and like their own personal ethics. They just kind of do what feels right. But a lot of times you know, depending on someone's background, what feels right to you may not be right to another person, so you have to look at the people around you and how they perceive things and make your decisions accordingly. In making decisions for myself, I have a sense of pride that I think is important. I wouldn't necessarily call it arrogance. It's just a bit of of a standard that I keep myself too. And when faced with a problem or situation in my decision is either you know the hard right or the easy wrong or the unethical verse or the ethical, immoral moral. Whenever you're faced with basically that fork in the road, regardless of the repercussions at the end of the day,

I've got to look myself in the mirror and be content with how I handled whatever situation or how I lived that day. And that's one of the biggest things that that I look at, especially with the hard right versus the easy wrong is that discipline that at the end of the day I'm answering to myself, even if even if the repercussions of that choice or that action affect nobody, then that's great. But like I said, end of the day I'm talking to myself in the mirror, and if there is bigger repercussions, then obviously there's more at scale than just letting yourself down or failing to keep yourself to whatever standard you said. Alright, so we have went through step one and Step 2. Let's now move on to step three as we talk about critical thinking in order to increase our ability to effectively communicate, Step three is having thoughtful consideration around the objections to your decision. Before you actually make that decision and put it out there as a final decision. So you're wanting to think about, you know, for instance, if your decision is a yes or no. If I'm a yes, why are other people a no?

What are those objections to someone being a yes on the problem or the decision that I'm making? If maybe we're taking an alternative solution or a different option, why would others select the other options? Really challenge yourself to think considerably about those objections. Step 4 is consideration of effectively communicating your decision and your reasoning right. You have to be able to explain it. As you guys start to get into leadership positions, you're much more visible, and it's not going to be acceptable to just make a good decision, but be able to effectively communicate that decision to others, and your reasoning for why you came to that decision is going to be crucial. And that's really what employers are pushing towards. So let's do a quick exercise together about making a decision and then effectively communicating that to others.

So now that we've completed that exercise together, we're going to continue our conversation around effective communication. Being able to increase that skill for ourselves. How critical thinking plays a role in that, and how we're using our ethical framework to assist in making more an ethical decisions. Well, now we're going to start talking about how all this needs to be taken in consideration both for your official and unofficial resumes. As you're getting out on the job market and applying for new positions.

• Building Ethical Employability Videos

The Relationship Between Critical Thinking and Critical Theory

Comparing approaches..

Updated April 10, 2024 | Reviewed by Gary Drevitch

• Critical theory is a way of identifying, critiquing, and challenging social dynamics and power structures.
• Modern critical theory seems to skip a lot of steps associated with logic and mechanisms of good thinking.
• Human beings think in hierarchically structured fashion, and they develop social groups in a similar manner.

I recently asked a fellow academic, in conversation, how they try to integrate critical thinking into their classroom, and they replied that they don’t have "much time for that kind of thing." I quickly realised that they didn’t know what I was talking about and likely confused it for something else. This shouldn’t have been entirely surprising to me, given research by Lloyd and Bahr (2010) indicates that, unfortunately, many educators are not au fait with what critical thinking actually is. Following further conversation, I came to understand what this academic was referring to: critical theory. This was neither the first time I’ve encountered such confusion of terms, nor was it the first time I heard criticism of the field.

What Critical Theory Is

I recognise that the phrasing "critical lens" one often hears in educational contexts might be a bit ambiguous and could be perceived in various ways. Critical thinking is many things, but one thing it is not is critical theory. Critical theory is an arts and humanities approach to identifying, critiquing, and challenging social dynamics and power structures within society (e.g., see Tyson 2023, Marcuse, 1968). Simply, it’s a critique of society; hence, the name—though some in the field would argue this and uphold the belief that it’s an association with our beloved critical thinking. I would argue that such people would fit in well with the aforementioned cohort of people who don’t really understand what critical thinking is.

The critical theory approach developed out of post-World War II German social climates as a means of exploring how Germany and, indeed, Europe got to where they were at that point in time. This is reasonable; indeed, psychology was interested in these implications as well (e.g., consider the work of Milgram and Asch). Critical theory grew from there into other socially aware applications. Despite methodological concerns, there is some good work done through critical theory. However, there is also considerably poor research done in this area. I would argue that the core reason for this is that the approach is often founded in bias . That is, unfortunately, a lot of modern critical theory starts with the proposition that some dynamic is "bad." Now, I’m not saying that many of the dynamics often under investigation aren’t bad, but starting research on the basis of a biased perspective doesn’t sound like a particularly promising rationale. Where’s the critical thinking? Where’s the evaluation? If you truly care about the topic, apply critical thinking from an unbiased perspective. Modern critical theory seems to skip a lot of steps associated with logic and the mechanisms of good thinking.

The purpose of this brief discussion on critical theory is two-fold. First, it’s argued that there has been "considerable" growth in the field in recent years (e.g., critical theory student numbers, growing presence in popular society, and growing inclusion in educational curricula), which is concerning given the rationale above, and, second, consistent with my observation in the introduction, its name is unfortunately similar to "critical thinking" and, thus, the two are often confused for one another. Please, don’t make this mistake.

Power Structures

Similar to the aforementioned negative social dynamics, I’m not saying that power structures don’t exist either. Look at families: Parents hold "power" over their children. Look at jobs: Employees are under the power of their managers, who are under the power of other managers, and so on. Indeed, depending on what country you live in, your government has varying levels of power over those it governs (e.g., with respect to law and policy-making). Some will argue that it’s the people who should be governing themselves: voting in law- and policy-makers as representatives, which is reasonable to me, but not all governments are like this— that’s politics for you (e.g., largely belief-led) , so what can you do? "Think critically about it" would be a reasonable response in the context of this page, and that is notably distinct from engaging in critical theory.

The point is that such "structures" are naturally occurring. Human beings think in a hierarchically structured fashion (e.g., through schema construction, classification, categorisation) and they develop social groups in a similar manner. That’s not to say that we should accept such structures in all situations, but no amount of academia is likely to change human nature; believe me, we’ve been trying to get people to think critically for a long time. Another important consideration for recognising this commonality is our expectance of these structures. Unfortunately, because we expect to see them everywhere, we wind up creating many of them, through our interpretations, when they might not even exist.

So, if you are approaching your research from the perspective that because some person or group experiences, for example, a less-than-desirable event or condition, it’s very easy—without the application of critical thinking—that such negative outcomes should be attributed to some other group or structure, in a sort of causal relationship. The problem is, as opposed to this being a conclusion ( a leads to b ), it is often the starting point of research, which then biases the methodology and its outcomes. For example, in an effort not to single out any particular group, let’s say I’m studying some topic from a Zuggist perspective (I made-up the word/group "Zug"). Considering the fact that I side with Zuggists—I might even be a Zug myself—the chances of me reporting something that is biased in favour of Zugs is more likely than not. To me, that’s not good research.

Again, I’m not saying that all research from a critical theory approach is like this, but, unfortunately, a noticeable amount of it is. Sure, every field has its barriers and "crises" from time to time: Psychology has been battling a replicability crisis in recent years. However, at least psychology (for the most part) recognises the importance of replicability and other research mechanisms associated with good methodology. I have concerns about that with respect to critical theory.

All in all, critical theory doesn’t mean much to me, but, for now, like my fellow academic said in the introduction, "I don’t have much time for that kind of thing." So, why bother talking about it here? This page is focused on critical thinking and good decision-making . These are the outcomes in which I and readers of this blog are interested, alongside learning more about how we can enhance them. It’s difficult enough conceptualising and describing critical thinking without having something similarly named adding further confusion. I’m not putting blame on anyone for the manner in which they coined the term "critical theory"; however, I think it important that people from all walks of life know the differences between them, because those differences are many and important.

Lloyd, M., & Bahr, N. (2010). Thinking critically about critical thinking in higher education. International Journal for the Scholarship of Teaching and Learning, 4, 2, 1–16.

Marcuse, Herbert. "Philosophy and Critical Theory," in Negations: Essays in Critical Theory , with translations from the German by Jeremy J. Shapiro (Boston: Beacon Press, 1968), pp. 134–158.

Tyson, L. (2023). Critical Theory Today: A User-Friendly Guide . Taylor & Francis.

Christopher Dwyer, Ph.D., is a lecturer at the Technological University of the Shannon in Athlone, Ireland.

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Understanding the Complex Relationship between Critical Thinking and Science Reasoning among Undergraduate Thesis Writers

Affiliations.

• 1 Department of Biology, Duke University, Durham, NC 27708 [email protected].
• 2 Department of Psychology and Neuroscience, Duke University, Durham, NC 27708.
• 3 Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN 55455.
• 4 Department of Biology, Duke University, Durham, NC 27708.
• PMID: 29326103
• PMCID: PMC6007780
• DOI: 10.1187/cbe.17-03-0052

Developing critical-thinking and scientific reasoning skills are core learning objectives of science education, but little empirical evidence exists regarding the interrelationships between these constructs. Writing effectively fosters students' development of these constructs, and it offers a unique window into studying how they relate. In this study of undergraduate thesis writing in biology at two universities, we examine how scientific reasoning exhibited in writing (assessed using the Biology Thesis Assessment Protocol) relates to general and specific critical-thinking skills (assessed using the California Critical Thinking Skills Test), and we consider implications for instruction. We find that scientific reasoning in writing is strongly related to inference , while other aspects of science reasoning that emerge in writing (epistemological considerations, writing conventions, etc.) are not significantly related to critical-thinking skills. Science reasoning in writing is not merely a proxy for critical thinking. In linking features of students' writing to their critical-thinking skills, this study 1) provides a bridge to prior work suggesting that engagement in science writing enhances critical thinking and 2) serves as a foundational step for subsequently determining whether instruction focused explicitly on developing critical-thinking skills (particularly inference ) can actually improve students' scientific reasoning in their writing.

© 2018 J. E. Dowd et al. CBE—Life Sciences Education © 2018 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).

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• Research Support, U.S. Gov't, Non-P.H.S.
• Biology / education*
• Problem Solving*
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Critical thinking definition

Critical thinking, as described by Oxford Languages, is the objective analysis and evaluation of an issue in order to form a judgement.

Active and skillful approach, evaluation, assessment, synthesis, and/or evaluation of information obtained from, or made by, observation, knowledge, reflection, acumen or conversation, as a guide to belief and action, requires the critical thinking process, which is why it's often used in education and academics.

Some even may view it as a backbone of modern thought.

However, it's a skill, and skills must be trained and encouraged to be used at its full potential.

People turn up to various approaches in improving their critical thinking, like:

• Developing technical and problem-solving skills
• Engaging in more active listening
• Actively questioning their assumptions and beliefs
• Seeking out more diversity of thought
• Opening up their curiosity in an intellectual way etc.

Is critical thinking useful in writing?

Critical thinking can help in planning your paper and making it more concise, but it's not obvious at first. We carefully pinpointed some the questions you should ask yourself when boosting critical thinking in writing:

• What information should be included?
• Which information resources should the author look to?
• What degree of technical knowledge should the report assume its audience has?
• What is the most effective way to show information?
• How should the report be organized?
• How should it be designed?
• What tone and level of language difficulty should the document have?

Usage of critical thinking comes down not only to the outline of your paper, it also begs the question: How can we use critical thinking solving problems in our writing's topic?

Let's say, you have a Powerpoint on how critical thinking can reduce poverty in the United States. You'll primarily have to define critical thinking for the viewers, as well as use a lot of critical thinking questions and synonyms to get them to be familiar with your methods and start the thinking process behind it.

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Home » Insights » What is the relationship between critical thinking and ethics?

What is the relationship between critical thinking and ethics?

Critical thinking plays a large role in ethics because it is the process by which we determine for ourselves whether or not something is right or wrong.  In a sense, critical thinking is a form of analysis and determination of fact vs. fiction, identifying the unknown, coming to an understanding, etc…  By taking the path of a critical thinker, a person develops a mental process of evaluation which helps to determine their ethical standards.

By incorporating the critical thinking process into their mindset, it enables them to more effectively make decisions based upon truths and verified information, rather than unknowns and variables.  By eliminating the variables, you bring to view the plain truths which exist and make a decision based upon that.  Having a critical approach to ethical analysis is very important and remains one of the principle factors as far as I am concerned.

I think that people should have a very analytical mind if they are to be truly successful ethically, because it is too easy to forget and not care; resorting to self sufficient forms of thinking and ensuring your own survival, etc…  I think a lot of people who have had hard lives are forced to make decisions they would not choose to make otherwise had they not been in that situation at the time, but needed to make the choice that would best benefit them personally because of the extreme nature of their lives.

This is applicable to cultures all over the world and I am confident that if you are a smart person and understand the concept, critical thinking applied to ethical and moral standard analysis is something that is essential to your success and if not implemented in the proper manner (i.e. making poor decisions) can lead to negative outcomes.