The Experimental and Control Groups Should Be Comparable on

question 49

Multiple Choice

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)variables that are likely to affect the pretest.
• E)level of interest in the study.