For which of the following empirical questions would a within-subjects design be preferred?
A)Who learns mazes more quickly, male or female rats?
B)Do participants give harsher jail sentences to unattractive defendants?
C)Is the Ponzo illusion stronger for those raised in a Western, industrialized cultures?
D)Is the Ponzo illusion stronger with the parallel lines horizontal or vertical?

Question

Quizplus · Accepted Answer

A within-subjects design is preferred for question D because it involves comparing the same participants' responses to different conditions (horizontal vs. vertical lines), allowing for control of individual differences.

For Which of the Following Empirical Questions Would a Within-Subjects