Score: 0 of 1 pt : 20110(O complete) Hw Score: 0%, 0 of 10 pts 1.3.3 In a study

Question

Score: 0 of 1 pt : 20110(O complete) Hw Score: 0%, 0 of 10 pts 1.3.3 In a study designed to test the effec 547 subjects in the placebo group were given pills containing no medication, (2) 550 subjects were in a group given pills with the medication taken at regular intervals, (3) 546 s of a medication as a treatment for lower back pain, 1643 patients were randomly assigned to one of three groups: (1) the O A. The researchers did not know whether the subjects in the study were taking a placebo or the medication O B. The subjects were divided into three groups so the researchers could compare the effects of the different treatments O C. The group sample sizes are all large so the researchers could see the effects of the treatment Click to select your answer and then click Check Answer All parts showing

Explanation / Answer

Answer is " D "

D. The subjects in the study did not know whether they were taking placebo or the medication.

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