A Researcher Finds 1000 Mildly Overweight Women Who Exercise Regularly

question 25

Multiple Choice

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 response variable in this experiment is:

• A)the amount of weight lost.
• B)the proportion of women in each group that stayed in the study.
• C)whether the women exercised.
• D)the age of the women.

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Definitions:

Family Members

Individuals who are related by blood, marriage, or adoption, forming a unit or living together and having close relations.

Macro Policy

Policies designed to influence or regulate large-scale societal systems, such as economic or social policies at a national or international level.

Homelessness

The condition of lacking stable, permanent, and adequate housing.

Health Care

A system involving the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in humans.