Disadvantages of a Within-Subjects Design A within-subjects design is a poor choice when
A)participation in one treatment condition will provide subjects too many clues about the next conditions.
B)subjects vary widely in performance on the dependent variable.
C)there is a small number of subjects.
D)we need to control extraneous subject variables.

Question

Quizplus · Accepted Answer

A within-subjects design relies on the same subjects being exposed to multiple treatment conditions. If participation in one treatment condition provides subjects with too many clues about the next conditions, it could result in biased or invalid data. This is known as order effects or carryover effects, and it can be a major disadvantage of within-subjects designs.

Disadvantages of a Within-Subjects Design a Within-Subjects Design Is a Poor