The one-way within-groups ANOVA has an additional assumption compared to the between-groups ANOVA.Which assumption is unique to the within-groups ANOVA?
A) random selection of participants
B) the underlying population distributions are normal
C) order effects are considered and controlled
D) the assumption of homoscedasticity

Question

Quizplus · Accepted Answer

The unique assumption to within-groups ANOVA (also known as repeated measures ANOVA) is that order effects are considered and controlled. This is because the same participants are used across all conditions, and thus, the order in which they experience conditions could affect their responses.

The One-Way Within-Groups ANOVA Has an Additional Assumption Compared to the Between-Groups