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A researcher randomly divides young women suffering from anorexia into 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 what research design?

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This is an experiment because the researcher is manipulating the independent variable (treatment type) by randomly assigning participants to different groups and then comparing the effects on the dependent variable (relief of anorexia symptoms).

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