placebo group

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A placebo group is a control group in a clinical trial where participants receive a treatment that is inactive or has no therapeutic effect, such as a sugar pill or saline injection. The placebo group is used to compare the effects of the active treatment being tested to the effects of a non-active treatment. Placebo groups are important in clinical trials to help determine the effectiveness of a treatment and to control for other factors that may influence the outcomes of the study. Participants in the placebo group are typically informed that they may receive an inactive treatment, and their participation is voluntary.

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