If a researcher reported an F-ratio with df = 2, 24 for a between-subjects ANOVA, then there were _____ conditions in the experiment and _____ total subjects.
A) 4; 25
B) 4; 27
C) 3; 27
D) 3; 25

Question

Quizplus · Accepted Answer

The degrees of freedom for the numerator (between groups) is the number of conditions minus one, so 2 + 1 = 3 conditions. The degrees of freedom for the denominator (within groups) is the total number of subjects minus the number of conditions, so 24 + 3 = 27 total subjects.

If a Researcher Reported an F-Ratio with Df = 2