What Is Different in Testing Assumptions for a Mixed Design

Multiple Choice

What is different in testing assumptions for a mixed design factorial ANOVA compared to other factorial ANOVAs, and why?

A) In a mixed design ANOVA, we have to consider both Bonferroni and Levene's test as we have both independent measures and repeated measures independent variables.
B) In a mixed design ANOVA, we have to consider both homogeneity of variance and sphericity because we have only independent measure variables.
C) In a mixed design ANOVA, we have to consider only homogeneity of variance because we have both independent measures and repeated measures independent variables.
D) In a mixed design ANOVA, we have to consider both homogeneity of variance and sphericity because we have both independent measures and repeated measures independent variables.