Post Hoc Comparisons in a Two-Factor Between-Subjects Analysis of Variance

Multiple Choice

Post hoc comparisons in a two-factor between-subjects analysis of variance using the Tukey HSD test are used to compare simple effects.

A) if Fobs for the interaction is statistically significant
B) if Fobs for the interaction is nonsignificant
C) only if Fobs for the interaction and at least one main effect are statistically significant
D) only if at least one main effect is statistically significant and Fobs for the interaction is nonsignificant