A repeatedmeasures ANOVA was conducted for a study comparing

A repeated-measures ANOVA was conducted for a study comparing three treatment conditions with a total of 12 scores (N = 12, n = 4). This ANOVA produces an F-ratio of 2.10. For this result, what is the correct statistical outcome?

Solution

A repeated-measures ANOVA was conducted for a study comparing three treatment conditions with a total of 12 scores (N = 12, n = 4). This ANOVA produces an F-ratio of 2.10. For this result, what is the correct statistical outcome?

The degrees of freedom for repeated measure ANOVA

N=12

n=4

a=3

DF for between treatments =3-1=2

DF for error = 12-4-2 = 6

Critical F( 2,6) value at 0.05 level = 5.14

Calculated F=2.10 < 5.14 , the null hypothesis is not rejected.