An advantage of the matched-groups design over the random assignment is that the matched-groups design:
A) allows you to control subject variables that might otherwise obscure the effect of your independent variable.
B) requires fewer subjects.
C) uses more subjects, which increases the sensitivity of the experiment.
D) eliminates error variance completely.

Question

Quizplus · Accepted Answer

Matched-groups design allows researchers to control for subject variables by matching participants on certain characteristics, reducing variability and potential confounding effects, thus clarifying the impact of the independent variable.

An Advantage of the Matched-Groups Design Over the Random Assignment