What is the major advantage of a within-participants design?
A) the data are easier to interpret than are data from between-participants designs
B) it does not carry the risk of carryover or sequencing effects
C) the experimenter doesn't have to worry about whether the groups of participants are equivalent to each other
D) it is not subject to the influence of expectancy effects

Question

Quizplus · Accepted Answer

In a within-participants design, the same participants are used across all conditions or treatments, which inherently controls for individual differences among participants. This means the experimenter doesn't have to worry about whether different groups of participants are equivalent to each other because each participant serves as their own control.

What Is the Major Advantage of a Within-Participants Design