Which assumption for a one-factor within-subjects analysis of variance is most likely to be violated?
A)Each participant is tested under each level of the independent variable.
B)The scores are normally distributed in the populations sampled.
C)The variances of scores are equal in the populations sampled.
D)The contribution of the individual differences of a participant's scores remains the same over all treatment conditions.

Question

Quizplus · Accepted Answer

The assumption most likely to be violated in a one-factor within-subjects analysis of variance is that the contribution of the individual differences of a participant's scores remains the same over all treatment conditions. This is because individual differences can interact with treatment conditions, affecting the scores differently across conditions.

Which Assumption for a One-Factor Within-Subjects Analysis of Variance Is