A case study is a research method that relies on a single case rather than a population or sample. When researchers focus on a single case, they can make detailed observations over a long period of time, something that cannot be done with large samples without costing a lot of money. Case studies are also useful in the early stages of research when the goal is to explore ideas, test, and perfect measurement instruments, and to prepare for a larger study. A case study is unique within the social sciences for its focus of study on a single entity, which can be a person, group or organization, event, action, or situation. Often, when researchers use the case study method, they focus on a case that is exceptional in some way because it is possible to learn a lot about social relationships and social forces when studying those things that deviate from norms. In doing so, a researcher is often able, through their study, to test the validity of the social theory, or to create new theories using the grounded theory method.
Country Case Studies | Center for Strategic and International Studies
In the social sciences, the term case study refers to both a method of analysis and a specific research design for examining a problem, both of which can be used to generalize findings across populations. This tab focuses on the latter--how to design and organize a research paper that analyzes a specific case. A case study research paper usually examines a single subject of analysis, but case study papers can also be designed as a comparative investigation that shows relationships between two or more subjects. The methods used to study a case can rest within a quantitative, qualitative, or mixed-method investigative paradigm. Case Studies. Writing CSU.
The Advantages and Limitations of Single Case Study Analysis
Published on May 8, by Shona McCombes. Revised on June 19, A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon.
A case—control study also known as case—referent study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute. A case—control study produces only an odds ratio, which is an inferior measure of strength of association compared to relative risk. The case—control is a type of epidemiological observational study. An observational study is a study in which subjects are not randomized to the exposed or unexposed groups, rather the subjects are observed in order to determine both their exposure and their outcome status and the exposure status is thus not determined by the researcher. Porta's Dictionary of Epidemiology defines the case—control study as: an observational epidemiological study of persons with the disease or another outcome variable of interest and a suitable control group of persons without the disease comparison group, reference group.
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