A drawback to the completely within-subjects factorial design is that:
A) too many subjects are required as the design gets larger and larger.
B) carryover effects cannot be dealt with.
C) as the number of factors increases, so does the number of treatments that the subjects must go through, making the design cumbersome and complex for subjects.
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

As the number of factors increases in a within-subjects design, the number of treatments each subject must experience also increases, which can lead to complexity and potential fatigue or carryover effects for the subjects.

A Drawback to the Completely Within-Subjects Factorial Design Is That