The experimental and control groups should be comparable on:
A)variables that are likely to be related to the independent variable under study.
B)variables that are likely to be related to the dependent variable under study.
C)age, education, and ethnicity.
D)all demographic variables.
E)variables that are unlikely to be related to the independent variable under study.

Question

Quizplus · Accepted Answer

The experimental and control groups should be comparable on variables that are likely to be related to the dependent variable to ensure that any observed effects can be attributed to the independent variable rather than other confounding factors.

The Experimental and Control Groups Should Be Comparable On