In a two-way ANOVA, how many effects are there to test?
A) One main effect and two interactions.
B) Two interactions and two main effects.
C) Two main effects and one interaction.
D) One interaction and one main effect.

Question

Quizplus · Accepted Answer

In a two-way ANOVA, there are two factors, and therefore two main effects (one for each factor) and one interaction effect (the effect of the two factors combined). Therefore, there are two main effects to test and one interaction effect to test.

In a Two-Way ANOVA, How Many Effects Are There to Test