A Case Study Is A(n)

Multiple Choice

A case study is a(n) :

A) in-depth investigation of a single individual or a small group of individuals, often involving information from a wide variety of sources.
B) method of determining whether an experiment reflects natural conditions.
C) survey involving only people who are likely to confirm the experimenter's hypothesis.
D) study involving multiple participants who all suffer from the same psychological problems and are given the same experimental treatment.