Why Is Randomization Used to Assign Research Participants to Groups

question 40

Multiple Choice

Why is randomization used to assign research participants to groups?

• A)to prevent assembling groups that differ in a way that may influence the research outcome
• B)to make sure that all participants in the study are the same on the dependent variable when the study is concluded
• C)to make sure that all participants are the same on the independent variable before the study begins
• D)to prevent any differences in the way the independent variable is manipulated for all research subjects

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