The _____ design can offer considerably more experimental control over individual difference variables than the _____ design.
A)observational;experimental
B)factorial;experimental
C)between-subjects;within-subjects
D)within-subjects;between-subjects

Question

Quizplus · Accepted Answer

Within-subjects design involves using the same subjects for all conditions of the independent variable, allowing for control of individual differences as each participant acts as their own control. In contrast, between-subjects design uses different participants in each condition, resulting in uncontrolled individual differences. Therefore, within-subjects design offers considerably more experimental control over individual difference variables than between-subjects design.

The _____ Design Can Offer Considerably More Experimental Control Over