Why Is It Important to Include a Placebo in a Scientific

question 37

Multiple Choice

Why is it important to include a placebo in a scientific study to assess the effectiveness of a drug?

• A)It's actually unethical to do so-if you have a drug that you know to be effective,it's unethical to withhold that treatment from an ill patient.
• B)A placebo-treated group will determine if the changes observed in the drug-treated illness group are due to a psychological effect rather than a physiologic/pharmacologic one.
• C)It isn't scientifically important-a placebo simply helps investigators satisfy the legal requirements of the Food and Drug Administration in their testing process.
• D)A placebo-treated group will determine if the changes observed in the illness in this non-treated group are due to a physiologic/pharmacologic effect rather than a psychological one.

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