When would it be wisest to rely on a between-subjects design rather than a within-subjects design?
A) The independent variable is likely to have a permanent effect.
B) You are interested in studying practice effects.
C) There are likely to be large individual differences in performance.
D) You wish to track the effects of learning over time.

Question

Quizplus · Accepted Answer

A between-subjects design is preferable when the independent variable might have a permanent effect on participants, as this design avoids issues related to carryover effects from one condition to the next, which can confound results in a within-subjects design.

When Would It Be Wisest to Rely on a Between-Subjects