case study vocabulary definition

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/ˌkeɪ(s) ˈstʌdi/, /keɪs ˈstʌdi/.

Other forms: case studies

• noun a detailed analysis of a person or group from a social or psychological or medical point of view see more see less type of: analysis an investigation of the component parts of a whole and their relations in making up the whole
• noun a careful study of some social unit (as a corporation or division within a corporation) that attempts to determine what factors led to its success or failure see more see less type of: report , study , written report a written document describing the findings of some individual or group

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Definition of case study

Examples of case study in a sentence.

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'case study.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

1914, in the meaning defined at sense 1

Dictionary Entries Near case study

case spring

case study method

Cite this Entry

“Case study.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/case%20study. Accessed 24 Aug. 2024.

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n. an in-depth assessment and investigation conducted on a target individual, family unit, or social group. It requires a researcher to collect multiple types of data that would prove to be useful in creating a complete biographical, psychological, physiological, and environmental background on the case.

What is a case study in psychology?

In psychology, a case study is a comprehensive, qualitative research of a single person or occasion that offers in-depth knowledge and insight into the subject's behavior, experiences, and thought processes. Observation, interviews, and the investigation of records, papers, and other artifacts are frequently used in case studies.

What is the purpose of a case study?

A case study in psychology is designed to produce rich, comprehensive data that can be utilized to comprehend a specific phenomenon or person in deeper detail. Researchers can use case studies to investigate the complexity of human behavior and mental processes, spot trends and themes, and develop hypotheses for more study. They are a useful tool for psychology teaching and learning because they may be used to demonstrate concepts or theories in a practical setting.

Types of psychology case studies

A case study is a method used in psychology to gather comprehensive data that would help researchers better understand a particular occurrence or individual. Case studies are a useful tool for researchers because they let them explore the complexity of human thought and behavior, identify patterns and themes, and provide hypotheses for further investigation. Because they can be used to demonstrate ideas or theories in a real-world situation, they are a helpful tool for psychology teaching and learning.

The following are the five main types of case studies in psychology:

• Exploratory case studies: These case studies are designed to investigate new or under-researched areas within the field of psychology. The primary purpose of exploratory case studies is to generate hypotheses or initial theories, which can then be tested using more rigorous research methods .
• Descriptive case studies: Descriptive case studies aim to provide a comprehensive account of a specific individual, event, or phenomenon.
• Explanatory case studies: Explanatory case studies seek to identify the underlying causes or mechanisms responsible for a particular outcome or behavior. They often involve the analysis of relationships between various factors, with the goal of uncovering causal connections. These case studies may employ quantitative methods, such as statistical analyses or experiments, in addition to qualitative data collection techniques.
• Intrinsic case studies: Intrinsic case studies focus on a unique, rare, or unusual case that is of particular interest to the researcher. The primary goal of this type of case study is to gain a deep understanding of the specific individual or event, rather than generalizing the findings to a broader population.
• Instrumental case studies: Instrumental case studies use a specific case as a means to gain insight into a broader issue or to support or challenge a theory. In this type of case study, the focus is not on the individual case itself, but on the wider implications it has for understanding psychological phenomena.
• Phineas Gage : Phineas Gage was a railroad construction worker who survived a catastrophic brain injury in 1848 and is a well-known case study in the history of psychology. His example has been utilized to examine the connection between brain make-up and personality as well as the function of the frontal lobes in social cognition and judgment.
• Little Hans: Little Hans, a 5-year-old boy, was the subject of a psychoanalytic case study by Sigmund Freud in the early 20th century. The study aimed to explore the development of anxiety and phobias in children and provided support for some of Freud's theories on psychosexual development and the Oedipus complex.
• Genie: Genie was a young girl who was discovered in 1970 after being locked in isolation for most of her life. Her case has been used to study the effects of extreme social isolation on cognitive and linguistic development, as well as the critical period hypothesis in language acquisition .

References:

Baxter, P., & Jack, S. (2008). Qualitative Case Study Methodology: Study Design and Implementation for Novice Researchers. The Qualitative Report, 13(4), 544-559. https://doi.org/10.46743/2160-3715/2008.1573

Creswell, J.W. and Poth, C.N. (2018) Qualitative Inquiry and Research Design Choosing among Five Approaches. 4th Edition, SAGE Publications, Inc., Thousand Oaks. https://www.scirp.org/(S(lz5mqp453edsnp55rrgjct55))/reference/ReferencesPapers.aspx?ReferenceID=2155979

Hollweck, T. (2016). Robert K. Yin. (2014). Case Study Research Design and Methods (5th ed.). Thousand Oaks, CA: Sage. 282 pages. The Canadian Journal of Program Evaluation , 30, 108. https://doi.org/10.3138/cjpe.30.1.108

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• Introduction

The case study creation process

Types of case studies, benefits and limitations.

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case study , detailed description and assessment of a specific situation in the real world created for the purpose of deriving generalizations and other insights from it. A case study can be about an individual, a group of people, an organization, or an event, among other subjects.

By focusing on a specific subject in its natural setting, a case study can help improve understanding of the broader features and processes at work. Case studies are a research method used in multiple fields, including business, criminology , education , medicine and other forms of health care, anthropology , political science , psychology , and social work . Data in case studies can be both qualitative and quantitative. Unlike experiments, where researchers control and manipulate situations, case studies are considered to be “naturalistic” because subjects are studied in their natural context . ( See also natural experiment .)

The creation of a case study typically involves the following steps:

• The research question to be studied is defined, informed by existing literature and previous research. Researchers should clearly define the scope of the case, and they should compile a list of evidence to be collected as well as identify the nature of insights that they expect to gain from the case study.
• Once the case is identified, the research team is given access to the individual, organization, or situation being studied. Individuals are informed of risks associated with participation and must provide their consent , which may involve signing confidentiality or anonymity agreements.
• Researchers then collect evidence using multiple methods, which may include qualitative techniques, such as interviews, focus groups , and direct observations, as well as quantitative methods, such as surveys, questionnaires, and data audits. The collection procedures need to be well defined to ensure the relevance and accuracy of the evidence.
• The collected evidence is analyzed to come up with insights. Each data source must be reviewed carefully by itself and in the larger context of the case study so as to ensure continued relevance. At the same time, care must be taken not to force the analysis to fit (potentially preconceived) conclusions. While the eventual case study may serve as the basis for generalizations, these generalizations must be made cautiously to ensure that specific nuances are not lost in the averages.
• Finally, the case study is packaged for larger groups and publication. At this stage some information may be withheld, as in business case studies, to allow readers to draw their own conclusions. In scientific fields, the completed case study needs to be a coherent whole, with all findings and statistical relationships clearly documented.

Case studies have been used as a research method across multiple fields. They are particularly popular in the fields of law, business, and employee training; they typically focus on a problem that an individual or organization is facing. The situation is presented in considerable detail, often with supporting data, to discussion participants, who are asked to make recommendations that will solve the stated problem. The business case study as a method of instruction was made popular in the 1920s by instructors at Harvard Business School who adapted an approach used at Harvard Law School in which real-world cases were used in classroom discussions. Other business and law schools started compiling case studies as teaching aids for students. In a business school case study, students are not provided with the complete list of facts pertaining to the topic and are thus forced to discuss and compare their perspectives with those of their peers to recommend solutions.

In criminology , case studies typically focus on the lives of an individual or a group of individuals. These studies can provide particularly valuable insight into the personalities and motives of individual criminals, but they may suffer from a lack of objectivity on the part of the researchers (typically because of the researchers’ biases when working with people with a criminal history), and their findings may be difficult to generalize.

In sociology , the case-study method was developed by Frédéric Le Play in France during the 19th century. This approach involves a field worker staying with a family for a period of time, gathering data on the family members’ attitudes and interactions and on their income, expenditures, and physical possessions. Similar approaches have been used in anthropology . Such studies can sometimes continue for many years.

Case studies provide insight into situations that involve a specific entity or set of circumstances. They can be beneficial in helping to explain the causal relationships between quantitative indicators in a field of study, such as what drives a company’s market share. By introducing real-world examples, they also plunge the reader into an actual, concrete situation and make the concepts real rather than theoretical. They also help people study rare situations that they might not otherwise experience.

Because case studies are in a “naturalistic” environment , they are limited in terms of research design: researchers lack control over what they are studying, which means that the results often cannot be reproduced. Also, care must be taken to stay within the bounds of the research question on which the case study is focusing. Other limitations to case studies revolve around the data collected. It may be difficult, for instance, for researchers to organize the large volume of data that can emerge from the study, and their analysis of the data must be carefully thought through to produce scientifically valid insights. The research methodology used to generate these insights is as important as the insights themselves, for the latter need to be seen in the proper context. Taken out of context, they may lead to erroneous conclusions. Like all scientific studies, case studies need to be approached objectively; personal bias or opinion may skew the research methods as well as the results. ( See also confirmation bias .)

Business case studies in particular have been criticized for approaching a problem or situation from a narrow perspective. Students are expected to come up with solutions for a problem based on the data provided. However, in real life, the situation is typically reversed: business managers face a problem and must then look for data to help them solve it.

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• a study of an individual unit, as a person, family, or social group, usually emphasizing developmental issues and relationships with the environment, especially in order to compare a larger group to the individual unit.
• case history .
• the act or an instance of analysing one or more particular cases or case histories with a view to making generalizations

Word History and Origins

Origin of case study 1

Example Sentences

In a case study from Metric Theory, Target Impression Share bidding, the total cost per click increased with both mobile and desktop devices.

It would also become the subject of a fair number of business school case studies.

Not just blog posts, you can also share other resources like case studies, podcast episodes, and webinars via Instagram Stories.

They become the architecture for a case study of Flint, expressed in a more personal and poetic way than a straightforward investigation could.

The Creek Fire was a case study in the challenge facing today’s fire analysts, who are trying to predict the movements of fires that are far more severe than those seen just a decade ago.

A case study would be your Twilight director Catherine Hardwicke.

A good case study for the minority superhero problem is Luke Cage.

He was asked to review a case study out of Lebanon that had cited his work.

Instead, now we have a political science case-study proving how political fortunes can shift and change at warp speed.

One interesting case study is Sir Arthur Evans, the original excavator and “restorer” of the Minoan palace of Knossos on Crete.

As this is a case study, it should be said that my first mistake was in discrediting my early religious experience.

The author of a recent case study of democracy in a frontier county commented on the need for this kind of investigation.

How could a case study of Virginia during this period illustrate these developments?

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Case Study Definition

Research performed in detail on a single individual , group , incident or community , as opposed to, for instance, a sample of the whole population.

Other Word Forms of Case Study

Case study sentence examples.

The case study was the TV adaptation of Vanity Fair.

Examples include ethnography, case-study analysis, discourse analysis.

The second case study describes the progressive disease etiology of a middle-aged man.

For the case study we choose a constraint domain C 0 that is sufficiently expressive to encode many policy idioms.

The case study was guided by the social science concepts of institutional isomorphism and resource dependency.

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Definition of case study noun from the Oxford Advanced American Dictionary

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The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app

／ (gè'àn yánjiū), ／ (gè'àn diàochá), (ànlì yánjiū)     ,               ,   ,     (jirei kenkyū), (kēsu sutadī)       (učébnyj primér) (studija slučaja)    

／ (gè'àn yánjiū), ／ (gè'àn diàochá), (ànlì yánjiū)   ,     ,   ,

• case report
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Open Education Sociology Dictionary

Table of Contents

Definition of Case Study

( noun ) A detailed and in-depth study of a single case , involving an event,  group , individual, or organization .

Examples of Case Study

• An in-depth research project of male allies that try to prevent violence against women completed through interviews and surveys .
• Street Corner Society: The Social Structure of an Italian Slum (1943) by William Foote Whyte (1914–2000)
• Streetwise: Race, Class, and Change in an Urban Community (1990) by Elijah Anderson (born 1943)

Case Study Pronunciation

Pronunciation Usage Guide

Syllabification : case stud·y

Audio Pronunciation

Phonetic Spelling

• American English – /kAYs stUHd-ee/
• British English – /kAYs stUHd-ee/

International Phonetic Alphabet

• American English – /keɪs ˈstʌdi/
• British English – /keɪs ˈstʌdi/

Usage Notes

• Plural: case studies
• The term refers to both the subject and  method of study .
• Case studies are often based on ethnographic research and conducted through participant observation , instead of aggregate  data such as a sample of a population .
• Variant spelling: case-study
• Also called case report .

Additional Information

• Qualitative Research Resources – Books, Journals, and Helpful Links
• Quantitative Research Resources – Books, Journals, and Helpful Links
• Word origin of “case” and “study” – Online Etymology Dictionary: etymonline.com
• Feagin, Joe R., Anthony M. Orum, and Gideon Sjoberg, eds. 1991. A Case for the Case Study . Chapel Hill, NC: University of North Carolina Press.
• Gerring, John. 2009. Case Study Research: Principles and Practices . Cambridge: Cambridge University Press.
• Thomas, Gary. 2011. How to Do Your Case Study: A Guide for Students and Researchers . Thousand Oaks, CA: SAGE.

Related Terms

• cohort study
• generalizability
• longitudinal study
• qualitative research
• quantitative research
• reliability
• symbolic interactionism

Works Consulted

Bilton, Tony, Kevin Bonnett, Pip Jones, David Skinner, Michelle Stanworth, and Andrew Webster. 1996. Introductory Sociology . 3rd ed. London: Macmillan.

Crooks, Robert, and Karla Baur. 2014. Our Sexuality . 12th ed. Belmont, CA: Wadsworth Cengage Learning.

Ferrante, Joan. 2011. Seeing Sociology: An Introduction . Belmont, CA: Wadsworth.

Griffiths, Heather, Nathan Keirns, Eric Strayer, Susan Cody-Rydzewski, Gail Scaramuzzo, Tommy Sadler, Sally Vyain, Jeff Bry, Faye Jones. 2016. Introduction to Sociology 2e . Houston, TX: OpenStax.

Henslin, James M. 2012. Sociology: A Down-to-Earth Approach . 10th ed. Boston: Allyn & Bacon.

Marsh, Ian, and Mike Keating, eds. 2006.  Sociology: Making Sense of Society . 3rd ed. Harlow, England: Pearson Education.

Oxford University Press. (N.d.) Oxford Dictionaries . ( https://www.oxforddictionaries.com/ ).

Shepard, Jon M. 2010. Sociology . 11th ed. Belmont, CA: Wadsworth.

Shepard, Jon M., and Robert W. Greene. 2003.  Sociology and You . New York: Glencoe.

Thompson, William E., and Joseph V. Hickey. 2012. Society in Focus: An Introduction to Sociology . 7th ed. Boston: Allyn & Bacon.

Wikipedia contributors. (N.d.) Wiktionary, The Free Dictionary . Wikimedia Foundation. ( http://en.wiktionary.org ).

Cite the Definition of Case Study

ASA – American Sociological Association (5th edition)

Bell, Kenton, ed. 2013. “case study.” In Open Education Sociology Dictionary . Retrieved August 24, 2024 ( https://sociologydictionary.org/case-study/ ).

APA – American Psychological Association (6th edition)

case study. (2013). In K. Bell (Ed.), Open education sociology dictionary . Retrieved from https://sociologydictionary.org/case-study/

Chicago/Turabian: Author-Date – Chicago Manual of Style (16th edition)

Bell, Kenton, ed. 2013. “case study.” In Open Education Sociology Dictionary . Accessed August 24, 2024. https://sociologydictionary.org/case-study/ .

MLA – Modern Language Association (7th edition)

“case study.” Open Education Sociology Dictionary . Ed. Kenton Bell. 2013. Web. 24 Aug. 2024. < https://sociologydictionary.org/case-study/ >.

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