An appropriate technique for determining the statistical significance of pretest-posttest change in experiments is
A) analysis of variance for repeated measures.
B) the t test for independent means.
C) the t test for correlated means.
D) a Mann-Whitney U test.

Question

Quizplus · Accepted Answer

Analysis of variance for repeated measures is an appropriate technique for determining the statistical significance of pretest-posttest change in experiments because it takes into account the correlation between the pretest and posttest scores.

An Appropriate Technique for Determining the Statistical Significance of Pretest-Posttest