You want to control the _______ when multiple comparisons are being made?
A) probability error rate
B) significance error rate
C) familywise error rate
D) test-retest error rate

Question

Quizplus · Accepted Answer

When making multiple comparisons, it is important to control the familywise error rate to minimize the chance of making a Type I error (rejecting a true null hypothesis). The familywise error rate controls the overall probability of making at least one Type I error. Options A and B are similar concepts but do not specifically address the issue of multiple comparisons. Option D is not related to the issue of multiple comparisons.

You Want to Control the _______ When Multiple Comparisons Are