In a within-subjects design,individual differences (participant variables)are a problem because
A)they can become confounding variables.
B)they can increase the variability.
C)they can become confounding variables and they can increase the variability.
D)individual differences are not a problem in a within-subjects design.

Question

Quizplus · Accepted Answer

In a within-subjects design, each participant is exposed to all conditions, which controls for individual differences as each participant serves as their own control.

In a Within-Subjects Design,individual Differences (Participant Variables)are a Problem Because