A doubleblind randomized comparative experiment compared the

A double-blind, randomized comparative experiment compared the effect of the drug lorcaserin and a placebo on weight loss in overweight adults. All subjects also underwent diet and exercise counseling. The study reported that after one year, patients in the lorcaserin group had an average weight loss of 5.8 kilograms (kg), while those on the placebo had an average weight loss of 2.2 kg (P < 0.001). Select the most suitable sentence that describes the situation.

A double-blind, randomized comparative experiment compared the effect of the drug lorcaserin and a placebo on weight loss in overweight adults. All subjects also underwent diet and exercise counseling. The study reported that after one year, patients in the lorcaserin group had an average weight loss of 5.8 kilograms (kg), while those on the placebo had an average weight loss of 2.2 kg (P < 0.001). Select the most suitable sentence that describes the situation.

A. It is impossible to describe the situation.
B. These results mean that there is good reason to think that lorcaserin works.
C. These results mean that there is good reason to think that placebo works.

Solution

A. It is impossible to describe the situation.

because P value is very lower si we cant describe very good these test

we need a better sample ( larger)

A double-blind, randomized comparative experiment compared the effect of the drug lorcaserin and a placebo on weight loss in overweight adults. All subjects als

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