A Researcher Computes a 4 $\times$ 4 Between-Subjects ANOVA and Finds Two Significant Main Effects and Finds

Multiple Choice

A researcher computes a 4 $\times$ 4 between-subjects ANOVA and finds two significant main effects and a significant interaction.What is the next appropriate step?

A) Compute pairwise comparisons for each main effect.
B) Compute simple main effect tests for each main effect.
C) Compute pairwise comparisons for the interaction.
D) Compute simple main effect tests for the interaction.