What Major Issue Is Examined When You Determine the Method

Multiple Choice

What major issue is examined when you determine the method for selecting the study sample from the study population?

A) causation--that is, was it the treatment or something else that explains the results?
B) chance--that is, can chance explain our study results?
C) generalization of study findings--that is, can we generalize our findings to our study population?
D) relevance--that is, is our study relevant to our study purpose?