The appropriate hypothesis test for a within-subjects design that compares two treatment conditions is
A)an independent-measures t test.
B)a repeated-measures t test.
C)a multi-group single-factor analysis of variance.
D)a chi-square test for independence.

Question

Quizplus · Accepted Answer

A within-subjects design means that the same subjects are being compared across two different treatment conditions. This requires a repeated-measures t test, which compares the means of the two conditions within the same subjects. The other options are not appropriate for testing within-subjects designs.

The Appropriate Hypothesis Test for a Within-Subjects Design That Compares