Dr Hunter Is Concerned About Pre-Test Differences in Her Nonequivalent

Dr. Hunter is concerned about pre-test differences in her nonequivalent comparison group design. What could she do to minimize pre-test differences without changing to a strong experimental design?

A) let students self select into groups
B) match participants in variables closely related to the IV
C) eliminate the pre-test
D) there is nothing that can be done to control for pre-test difference

Correct Answer:

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