Get solution: In Exercises 920, identify which of these types of sampling is used
Chapter 1, Problem 14(choose chapter or problem)
In Exercises 920, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.Acupuncture Study In a study of treatments for back pain, 641 subjects were randomly assigned to the four different treatment groups ofindividualized acupuncture, standardized acupuncture, simulated acupuncture, and usual care (based on data from A Randomized Trial ComparingAcupuncture, Simulated Acupuncture, and Usual Care for Chronic Low Back Pain, by Cherkin et al., Archives of Internal Medicine, Vol. 169, No. 9).
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