When all three F ratios have the same degrees of freedom (as they do in a 2 2 between subjects factorial design), _____
a. the interaction is always significant
b. there is an extra step necessary in the ANOVA
c. they will all have the same value of obtained F
d. they can all be compared to the same critical value of F
D
The critical value of F is determined by consulting the table under the degrees of freedom associated with the numerator and denominator of the F ratio. When the degrees of freedom are the same for all values of the calculated F,all values of the critical F will also be the same.
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