Dr. Hunter is concerned about pre-test differences in her nonequivalent comparison group design. What could she do to minimize pre-test differences without changing to a strong experimental design?
A) let students self select into groups
B) match participants in variables closely related to the IV
C) eliminate the pre-test
D) there is nothing that can be done to control for pre-test difference

Question

Quizplus · Accepted Answer

Matching participants on variables closely related to the independent variable (IV) can help minimize pre-test differences in a nonequivalent comparison group design. This approach aims to ensure that the groups are as similar as possible on key characteristics before the intervention, thereby reducing the impact of pre-existing differences on the outcome.

Dr Hunter Is Concerned About Pre-Test Differences in Her Nonequivalent