What is the primary benefit of matching?
A) it eliminates the influence of virtually all known extraneous variables
B) it eliminates experimenter expectancy and participant effects
C) it overrides the need for random assignment
D) the influence of the variables on which participants are matched is spread evenly across groups

Question

Quizplus · Accepted Answer

Matching primarily ensures that the influence of the variables on which participants are matched is distributed evenly across the experimental groups, helping to control for those variables.

What Is the Primary Benefit of Matching