Question: answer Determine whether the study depicts an observational study or an experiment. A medical researcher obtains a sample of adults suffering from diabetes. She randomly

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Determine whether the study depicts an observational study or an experiment. A medical researcher obtains a sample of adults suffering from diabetes. She randomly assigns 70 people to a treatment group and 70 to a placebo group. The treatment group receives a medication over a period of three months and the placebo group receives a placebo over the same time frame. At the end of three months the patients' symptoms are evaluated. (O observational study () experiment

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