A type of restricted random assignment in which we assess or measure the characteristic we want to control, group, or categorize participants based on scores on that measure, and then use a random procedure to assign participants from each category to a group in the study is called ______.

A. control by participation
B. control by matching
C. control by representation
D. control by holding constant


Ans: B

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a. True b. False Indicate whether the statement is true or false

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