A case study is an investigation of

Question

Quizplus · Accepted Answer

A case study is an in-depth examination of a single person, group, or organization over a specific period of time. It involves collecting and analyzing a variety of data sources to gain a detailed understanding of the case. Case studies are often used in research to explore complex phenomena or to investigate uncommon or unique events. Therefore, option C "one person or group over a specific period of time" is the best choice.

A Case Study Is an Investigation of