In order to investigate treatments for morbid obesity obese

In order to investigate treatments for morbid obesity, obese subjects satisfying fairly strict requirements were randomly assigned to one of three groups: (1) gastric bypass surgery, (2) participation in a diet and exercise program, or (3) both gastric bypass surgery and participation in the diet and exercise program. This clinical trial is ethical because:
	All of the answer choices are correct. all subjects are likely to receive benefits. randomization is ethical if no treatment seems to work better than the others. interests of the study subjects prevail.

In order to investigate treatments for morbid obesity, obese subjects satisfying fairly strict requirements were randomly assigned to one of three groups: (1) gastric bypass surgery, (2) participation in a diet and exercise program, or (3) both gastric bypass surgery and participation in the diet and exercise program. This clinical trial is ethical because:
	All of the answer choices are correct. all subjects are likely to receive benefits. randomization is ethical if no treatment seems to work better than the others. interests of the study subjects prevail.

Solution

All of the answer choices are correct.