Placebo effect is a reactivity effect named after a famous case in which subjects responded to the fact that they were in an experiment more than to the treatment.

Question

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The placebo effect refers to the phenomenon where individuals experience a perceived improvement in their condition after receiving a treatment that has no therapeutic effect, due to their belief in the treatment's efficacy, not because they are reacting to being part of an experiment.

Placebo Effect Is a Reactivity Effect Named After a Famous