The cutoff F used to evaluate the significance of the Scheffé test for any particular comparison between two group means is A)the same cutoff F used for the overall study. B)the cutoff based on df = 1 for the numerator and the overall df_Between for the denominator. C)the cutoff based on df = 2 for the numerator and the overall df_Within for the denominator. D)the cutoff based on df = 1 for the numerator and df = overall df_Within / 2 for the denominator.

Question

Quizplus · Accepted Answer

The cutoff F used in the Scheffé test for comparing two group means is the same as the cutoff F used for the overall study. This is because the Scheffé test is designed to control the overall Type I error rate across all possible comparisons.

The Cutoff F Used to Evaluate the Significance of the Scheffé