Answer:
The correct answer is -
The control group - the group of men with a placebo pill,
The manipulated variable - fat burning pill,
The responding variable - men's body fat percentage
Explanation:
The control group of a study is a group that did not get the treatment or manipulated variable so the comparison between the experiment group and the control group can be found and see what are the difference. Here the group of subjects that receives no treatment but a placebo pill only is the control group.
The manipulated variable is the treatment or the manipulation that can cause the response in the subject here the fat burning pills are manipulated variable. The responding variable is the variable known as the dependent variable that is measured to see what effect on the subject occurred here the body fat is the responding variable.
