A limitation of using matching rather than random assignment to form groups in a between-subjects experiment is that
A)matching requires another measurement procedure.
B)matching reduces error due to participant differences.
C)matching is easier than randomization.
D)matching eliminates any systematic relationship between participant characteristics and the treatment conditions.

Question

Quizplus · Accepted Answer

Matching requires an additional measurement procedure, which may increase the complexity and cost of the experiment. In addition, it may not eliminate all the sources of participant differences. Random assignment ensures that participant characteristics are distributed equally across groups, reducing the likelihood of biased results due to individual differences.

A Limitation of Using Matching Rather Than Random Assignment to Form