An Advantage of Matching Over Holding a Variable Constant Is

question 85

Multiple Choice

An advantage of matching over holding a variable constant is that

• A)it may restrict the generalizability of the results.
• B)within a group the confounding variable does not vary.
• C)for each individual in one group there is a comparable individual in each of the other groups who has the same value on the confounding variable.
• D)all individuals within a group have the same value on the confounding variable.

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