A One-Way Analysis of Variance Calvin designed a between-subjects experiment with one independent variable with four levels.There are 15 subjects in each condition.There are ____ degrees of freedom for between-groups variability.
A)1
B)3
C)11
D)56

Question

Quizplus · Accepted Answer

The degrees of freedom for between-groups variability in an ANOVA is calculated as the number of groups minus one. With four levels (groups) of the independent variable, the calculation is 4 - 1 = 3.

A One-Way Analysis of Variance Calvin Designed a Between-Subjects Experiment