For a two-factor study with two levels of factor A,2 levels of factor B,and a separate sample of n = 10 participants in each treatment condition,what is df_{within treatments}? A)9 B)18 C)36 D)39

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Quizplus · Accepted Answer

The degrees of freedom within treatments (df within) is calculated as the total number of observations minus the number of treatment conditions. There are 2 levels of factor A and 2 levels of factor B, resulting in 2x2=4 treatment conditions. With n=10 participants per condition, there are 4x10=40 total observations. Therefore, df within = 40 - 4 = 36.

For a Two-Factor Study with Two Levels of Factor A,2