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Preferred term

placebo effect  

Definition

  • The placebo effect is a change produced by the administration of a substance or physical procedure that is not produced by the physical properties of that substance or procedure. It is, instead, an effect produced by the psychological effects of administering the treatment. [Source: Encyclopedia of the Mind; Placebo Effect]

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URI

https://concepts.sagepub.com/social-science/concept/placebo_effect

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