Dr. Hayes lectured on the differences between within-subjects designs and between-subjects designs and noted that a within-subjects design enhances the power of studies because:
A) it increases individual differences between conditions.
B) random assignment is used.
C) of attrition throughout the study.
D) it reduces issues with individual differences between conditions.

Question

Quizplus · Accepted Answer

Within-subjects designs reduce issues with individual differences between conditions because each participant is exposed to all conditions, thereby controlling for individual variability across conditions. This enhances the statistical power of the study by minimizing the noise caused by individual differences.

Dr Hayes Lectured on the Differences Between Within-Subjects Designs and Between-Subjects