Which of the following do survey methods employ?
A) samples to generalize to populations
B) populations to determine causes
C) observations to determine causality
D) control groups to determine effects

Question

Quizplus · Accepted Answer

Survey methods typically employ samples of a population in order to make generalizations about that population.

Answer: D 
 Control groups are more commonly used in experimental research designs, rather than survey methods. Surveys may involve gathering data on certain variables, but are not typically used to determine cause and effect relationships.

Which of the Following Do Survey Methods Employ