A case study is a detailed description and evaluation of a specific real-world situation, often with the aim of drawing generalizations and other insights about the subject of the case study; Case study research is a type of qualitative research design. It is often used in the social sciences because it involves observing subjects, or cases, in their natural setting, with minimal interference from the researcher. In the case study method, researchers ask a specific question about an individual or group to test their theories. It should involve two or more variables that you want to study for correlation. Choose research method: Decide which research method will be most appropriate for your research question. The most common methods of correlational research are surveys, archival research, and naturalistic observation. This article discusses the intersection of these two MMR CSR research approaches leading to a description of either deductive design, case study – CS-MMR mixed methods research, or. Case study research methodology. It is a research methodology that involves an in-depth examination of a single case or a small number of cases. Case studies are often used in psychology, sociology, and anthropology to gain a detailed understanding of a particular individual or group. Action research methodology