Matching of experimental and control subjects, homogeneous selection, and analysis of covariance can all be used to
A) reduce the effects of statistical regression.
B) reduce initial differences between treatment groups.
C) counterbalance the effects of experimental treatments.
D) control the "learning to learn" effect.

Question

Quizplus · Accepted Answer

Matching of experimental and control subjects and homogeneous selection can help reduce initial differences between treatment groups. Analysis of covariance can help control for initial differences in the analysis phase. These techniques do not directly address statistical regression or learning to learn effects.

Matching of Experimental and Control Subjects, Homogeneous Selection, and Analysis