Why Is It Difficult to Make Generalizations Based on the Results

Multiple Choice

Why is it difficult to make generalizations based on the results of case study research?

A) Case studies are typically conducted over a very short period of time,making generalizations about long-term effects difficult.
B) Case studies are conducted in strict laboratory environments,which reduces ecological validity.
C) Since a case study involves only one or a few subjects,their actions may be atypical and not representative of a larger group of people or population.
D) The statistics involved in case study research do not allow one to draw larger conclusions about a population.