When one does follow-up tests to determine significant differences between groups in a comparison between means test, one test to use is the
A) nonindependent t.
B) Scheffe test.
C) Chi Square.
D) Pearson r.

Question

Quizplus · Accepted Answer

The Scheffe test is appropriate for follow-up tests in a comparison between means test because it takes into account multiple comparisons, controlling the Type I error rate. The nonindependent t-test assumes equal variances and equal sample sizes, and is not appropriate for follow-up tests. The Chi Square and Pearson r tests are for testing associations between categorical and continuous variables, respectively, and are not appropriate for a comparison between means test.

When One Does Follow-Up Tests to Determine Significant Differences Between