What is Case Study?

A case study is a research method that includes a detailed examination of a study subject. It’s considered that Frederic Le Play was the first person who introduced the case-study method into a social science in 1829.

There are three types of case studies:

Linear
Process-oriented
Grounded

These types of case studies include the following:

Illustrative case studies.
Exploratory case studies.
Cumulative case studies.
Critical instance case studies.