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Placebo Effect

  • By: Irving Kirsch
  • In: Encyclopedia of the Mind
  • Edited by: Harold Pashler
  • Subject:Linguistics (general), Cognitive Psychology (general)

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 ...