When it is established that a change in the independent variable actually produces a change in the dependent variable, then the research must be
A) post-facto
B) cross-sectional
C) experimental
D) none of these

Question

Quizplus · Accepted Answer

This scenario describes an experimental design, in which the researcher manipulates the independent variable to test its effect on the dependent variable. Cross-sectional studies compare different groups at a single point in time, while post-facto studies examine the effects of an independent variable that has already occurred, without manipulation or control. Therefore, the correct answer is C, experimental.

When It Is Established That a Change in the Independent