A statistical technique used to equate nonequivalent groups on their pretest scores in a nonequivalent comparison-groups design is:
A) ANCOVA
B) t-test
C) Reversal technique
D) Time-series analysis

Question

Quizplus · Accepted Answer

ANCOVA (Analysis of Covariance) is used to adjust the means of dependent variables for differences in pretest scores, making it suitable for equating nonequivalent groups in a nonequivalent comparison-groups design.

A Statistical Technique Used to Equate Nonequivalent Groups on Their