One difference between the between subjects factorial ANOVA and the repeated measures factorial ANOVA is that, in the repeated measures ANOVA, _____
a. only one mean square needs to be calculated
b. more than one critical F is required to test the hypotheses
c. multiple alpha levels are used to evaluate the hypotheses
d. there is no way to evaluate the significance of the interactions between variables
B
Multiple critical F values are needed because the degrees of freedom associated with the denominators are often different. In between subjects factorial ANOVAs, only one critical value of F is needed for comparison with all obtained values of F.
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