When Matching Is Used to Assign Subjects to an Experimental

question 45

Multiple Choice

When matching is used to assign subjects to an experimental and a comparison group, the resulting research design is:

• A) Equivalent to when random assignment is used
• B) Weakened if it is combined with random assignment
• C) Superior to assignment on the basis of chance
• D) Weakened by the possibility of additional differences between the groups

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