When using a placebo control group, the Institutional Review Board needs to be convinced that such a group is not being deprived of a benefit that it already has.

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When using a placebo control group, it is important to ensure that participants are not being deprived of a treatment or benefit that they already have. The Institutional Review Board (IRB) reviews research proposals to ensure that the study is ethical and that participants are not being harmed. If the use of a placebo control group is proposed, the IRB will scrutinize the study design and ensure that participants in the control group are not being disadvantaged.

When Using a Placebo Control Group, the Institutional Review Board