A placebo is a fake or dummy treatment that is designed to be harmless and to have no effect. It allows researchers to test for the ‘placebo effect’. The placebo effect is a psychological response where people feel better because they have received a treatment, and not because the treatment has a specific effect on their condition. By comparing people’s responses to the placebo and to the treatment being tested, researchers can tell whether the treatment is having any real benefit.
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25 April, 2024
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