In order to test experimental data via the U test, the design must be
A) between-subjects
B) repeated-measures
C) matched-subjects
D) none of these, since U may not test experimental data

Question

Quizplus · Accepted Answer

The U test is a nonparametric test used to compare two independent samples in a between-subjects design. It is used when the assumptions of the t-test, such as normal distribution and equal variances, are not met. The U test is not appropriate for repeated-measures or matched-subjects designs.

In Order to Test Experimental Data Via the U Test