A researcher would be likely to use matching in a randomized posttest control group design:
A) only if he or she misunderstood randomization
B) in order to control for a possible history threat to internal validity
C) in order to control for loss of subjects
D) if the number in each treatment group is small

Question

Quizplus · Accepted Answer

Matching in a randomized posttest control group design might be used if the number of subjects in each treatment group is small to ensure that the groups are equivalent on some key variables. This can help in controlling for variability that might not be accounted for due to the small sample size, despite the initial random assignment.

A Researcher Would Be Likely to Use Matching in a Randomized