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
Answers: 1
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How many different ways can you make change for $.50 using only nickels,dimes, and quarters?
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The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
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Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
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A dietary supplement company wants to study a new supplement it has designed to help control appetit...
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