The appropriate inferential test when each subject participates in both conditions of an experiment is
A) a between-subjects t-test.
B) a margin of error.
C) a t-test for independent groups.
D) a repeated measures t-test.

Question

Quizplus · Accepted Answer

A repeated measures t-test is appropriate in this scenario because the same group of subjects is being tested in both conditions of the experiment. This type of test takes into account the within-subject variability and is more powerful than a between-subjects t-test or a t-test for independent groups. A margin of error is not a type of inferential test.

The Appropriate Inferential Test When Each Subject Participates in Both