2 X 2 ANOVA

1
Simple Effects of A
B B
B1 B2
A A1 AB11 AB12
A A2 AB21 AB22
2 X 2 ANOVA
A at B1 The difference between the levels of A at
the first level of B
A at B2 The difference between the levels of A at
the second level of B
Since there are two contrasts
Simple Effects of B
B at A1 The difference between the levels of B at
the first level of A
B at A2 The difference between the levels of B at
the second level of A
Since there are two contrasts
2
2 X 3 ANOVA
Simple Effects of B
B B B
B1 B2 B3
A A1 AB11 AB12 AB13
A A2 AB21 AB22 AB23
B at A1 The difference among the levels of B at
the first level of A
Pairwise Posthoc for B at A1 B1 vs B2 at A1 B1 vs
B3 at A1 B2 vs B3 at A1
Simple Effects of A
A at B1 The difference between the levels of A at
the first level of B
B at A2 The difference among the levels of B at
the second level of A
A at B2 The difference between the levels of A at
the second level of B
Pairwise Posthoc for B at A2 B1 vs B2 at A2 B1 vs
B3 at A2 B2 vs B3 at A2
A at B3 The difference between the levels of A at
the third level of B