The major disadvantage of a within-participants design is that
A) it is very susceptible to order and carryover effects.
B) it is unusually vulnerable to influence of expectancy effects.
C) it is difficult to interpret the data it produces.
D) it does not guarantee equivalence across groups of participants.

Question

Quizplus · Accepted Answer

A within-participants design involves the same group of participants being exposed to all conditions or treatments, which makes it particularly susceptible to order and carryover effects. These effects occur because the experience of participating in one condition can influence performance in subsequent conditions.

The Major Disadvantage of a Within-Participants Design Is That