Interpreting the Results Tad made no specific experimental predictions and performed a post hoc test after he found that his computed F was not significant.What mistake did he commit?
A)He should have performed an a priori test instead of a post hoc test
B)He should have performed either the F test or the post hoc test, but not both.
C)He should have performed the post hoc test before the F test.
D)He should have stopped after a nonsignificant F test.

Question

Quizplus · Accepted Answer

Tad should have stopped after finding a nonsignificant F test because post hoc tests are typically used to explore data further only when the F test is significant.

Interpreting the Results Tad Made No Specific Experimental Predictions and Performed