The criteria for being included as a participant in the study was as follows: (a) have a telephone, (b) be 18 years of age or older, (c) live in the contiguous 48 states, and (d) speak English. Do you think the authors obtained a random sample of such individuals? Why or why not?

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The Answer of The criteria for being included as a participant in the study was as follows: (a) have a telephone, (b) be 18 years of age or older, (c) live in the contiguous 48 states, and (d) speak English. Do you think the authors obtained a random sample of such individuals? Why or why not?

The Criteria for Being Included as a Participant in the Study