Within-subjects designs are most useful when
A)individual differences are large and there are many participants available.
B)individual differences are large and there are relatively few participants available.
C)individual differences are small and there are many participants available.
D)individual differences are small and there are relatively few participants available.

Question

Quizplus · Accepted Answer

Within-subjects designs are most useful when individual differences are large and there are relatively few participants available because each participant serves as their own control, reducing the impact of individual differences on the results.

Within-Subjects Designs Are Most Useful When