QUESTION 1 Marshall randomly selected 250 students from a large university to study their use of drugs and alcohol. A. Probability B. Nonprobability QUESTION 2 Casey randomly assigned 152 elders... recruited from five nursing homes to a foot massage or wait-list group to assess effects on levels of depression. A. Nonprobability B. Probability QUESTION 1 Marshall randomly selected 250 students from a large university to study their use of drugs and alcohol. A. Probability B. Nonprobability QUESTION 2 Casey randomly assigned 152 elders recruited from five nursing homes to a foot massage or wait-list group to assess effects on levels of depression. A. Nonprobability B. Probability [Show More]
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