When You Run a Factorial Mixed ANOVA in SPSS, What

Multiple Choice

When you run a factorial mixed ANOVA in SPSS, what do you have to check before looking at the main ANOVA findings?

A) I do not have to check anything as the SPSS provided all the necessary answers.
B) Check assumptions of homogeneity of variance for the DV and sphericity for the repeated measures IV.
C) Check assumptions of sphericity for the independent measures IV and homogeneity of variance for the repeated measures IV.
D) Check assumptions of homogeneity of variance for the independent measures IV and sphericity for the repeated measures IV.