Which of the following statements about Scheffe test is incorrect?
A)It is a kind of a follow-up (or post hoc) test.
B)It is a rather conservative test.
C)It is equivalent to simultaneous two-tailed hypothesis tests.
D)The confidence intervals tend to be narrower in this method than in other methods.
E)The method holds the experimental error rate to α.

Question

Quizplus · Accepted Answer

The confidence intervals tend to be wider in Scheffe test compared to other multiple comparison tests like Bonferroni or Tukey. This is because it is a conservative test that aims to control the family-wise error rate.

Which of the Following Statements About Scheffe Test Is Incorrect