In experimental studies, the sample may be derived from
A) one population.
B) two populations.
C) three populations.
D) more than three populations.

Question

Quizplus · Accepted Answer

In experimental studies, the sample is typically derived from one population. This allows researchers to control for variables and make causal claims about the relationship between variables. Using a sample from multiple populations could introduce confounding variables and make it difficult to draw clear conclusions about causality.

In Experimental Studies, the Sample May Be Derived from