A researcher who first measures a characteristic and then balances group membership on that characteristic, has used
A) counterbalancing.
B) matched random assignment.
C) random selection.
D) simple random assignment.

Question

Quizplus · Accepted Answer

The researcher has used matched random assignment, as they first measured a characteristic and then balanced group membership based on that characteristic. This helps to control for the potential influence of the characteristic on study outcomes.

A Researcher Who First Measures a Characteristic and Then Balances