A researcher randomly assigns young women with anorexia to one of two groups. Participants in group A receive psychotherapy and drug treatments; participants in group B receive attention (but no therapy) and a sugar pill. The researcher then compares participants in the two groups on relief of anorexia symptoms. This is an example of a(n):

Question

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This is an example of an experimental study because the researcher manipulates the independent variable (type of treatment) and measures the effect on the dependent variable (relief of anorexia symptoms) in a controlled setting.

A Researcher Randomly Assigns Young Women with Anorexia to One