The factor in the experiment is: a. the weight lost by women in the study. b. the use of a control group taking a placebo. c. consisting of the appetite suppressant or placebo being administered. d. the length of the study.

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5. A researcher finds 1000 mildly overweight women who exercise regularly, have not
had a heart attack, and are willing to participate in the study. She randomly assigns
500 of the women to take an appetite suppressant. The other 500 women are given a
placebo. Both groups are followed for five years, and the amount of weight lost after
this time is recorded. The factor in the experiment is:
a. the weight lost by women in the study.
b. the use of a control group taking a placebo.
c. consisting of the appetite suppressant or placebo being
administered.
d. the length of the study.
Transcribed Image Text:5. A researcher finds 1000 mildly overweight women who exercise regularly, have not had a heart attack, and are willing to participate in the study. She randomly assigns 500 of the women to take an appetite suppressant. The other 500 women are given a placebo. Both groups are followed for five years, and the amount of weight lost after this time is recorded. The factor in the experiment is: a. the weight lost by women in the study. b. the use of a control group taking a placebo. c. consisting of the appetite suppressant or placebo being administered. d. the length of the study.
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