In Order to Ensure That Experimental and Control Groups Are

question 2

Multiple Choice

In order to ensure that experimental and control groups are similar before the experiment begins,social scientists sometimes:

• A)pair subjects who are identical on relevant variables and assign one to the control group and one to the experimental group
• B)create groups that are equivalent in terms of their averages on some relevant variables
• C)randomly assign subjects to the experimental and control groups
• D)match subjects on relevant variables
• E)all of these choices

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