A repeated-measures ANOVA with n = 5 subjects has df within-treatment equal to 12.What is the value for df_error for this analysis? A)8 B)16 C)17 D)48

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Quizplus · Accepted Answer

In a repeated-measures ANOVA, df_error is calculated as (n-1) * (k-1), where n is the number of subjects and k is the number of treatment conditions. Given df within-treatment is 12, and knowing df within-treatment = n * (k-1), we can deduce k-1 = 3. Therefore, df_error = (5-1) * 3 = 12.

A Repeated-Measures ANOVA with N = 5 Subjects Has Df