Using a within-subjects design,
A) eliminates the effects of random error due to individual differences
B) eliminates the effects of random error
C) both a and b
D) neither a nor b

Question

Quizplus · Accepted Answer

A within-subjects design controls for individual differences by using the same participants across all conditions, thus reducing random error due to these differences. However, it does not eliminate all random error.

Using a Within-Subjects Design