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Mathematics, 18.08.2021 16:00 Poohpooh8548

A dietary supplement company wants to study a new supplement it has designed to help control appetite. The supplement was compared with a placebo in a double-blind randomized trial. The study was conducted on 1,200 subjects. At the end of the six-month study, only 823 participants returned to give results. What problem is this study suffering from? a. refusal to participate
b. dropouts
c. selection bias
d. nonadherers

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