A case study
A) is an intensive study of a single individual or group.
B) is a form of observational research.
C) cannot be used to test a causal hypothesis.
D) all of the these.

Question

Quizplus · Accepted Answer

A case study is indeed an intensive study of a single individual or group (A), it is a form of observational research (B), and while it can suggest hypotheses, it is not typically used to test a causal hypothesis due to its in-depth focus and lack of control/comparison groups (C), making all of these statements correct.

A Case Study