In a study with three levels of factor A,three levels of factor B,and 6 participants in each condition,the df error would be
A)45.
B)20.
C)53.
D)54.

Question

Quizplus · Accepted Answer

The degrees of freedom for error (df error) is calculated as the total number of observations minus the number of groups. With 3 levels of factor A and 3 levels of factor B, there are 3x3=9 groups. With 6 participants in each group, there are 9x6=54 total observations. Therefore, df error = 54 - 9 = 45.

In a Study with Three Levels of Factor A,three Levels