The HSD test _________.
A) is used for planned comparisons
B) maintains the Type I error rate at alpha
C) is used for a post hoc comparisons
D) maintains the Type I error rate at alpha and is used for a post hoc comparisons

Question

Quizplus · Accepted Answer

The HSD (Honestly Significant Difference) test is used for post hoc comparisons and also maintains the Type I error rate at alpha, which means it controls the risk of falsely rejecting the null hypothesis. Therefore, choice D is the best answer.

The HSD Test _________