In a two-factor ANOVA, the F test for
A)the factor A main effects should be carried out first.
B)the factor B main effects should be carried out first.
C)the interaction of factors A and B should be carried out first.
D)the blocking effects should be carried out first.
E)the homogeneity of variance should be carried out first.

Question

Quizplus · Accepted Answer

The interaction of factors A and B should be carried out first in a two-factor ANOVA because it is important to know if there is an interaction effect between the factors before evaluating the main effects of each factor. This is because the presence of an interaction effect can affect the interpretation of the main effects.

In a Two-Factor ANOVA, the F Test for