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placebo effect [plə'si:bəuɪ'fekt]
med. effetto placebo
 English thesaurus
placebo effect [plə'si:bəuɪ'fekt]
med. An effect usually, but not necessarily, beneficial that arises from an expectation that the given drug or other intervention will have an effect. In a clinical trial, placebo effect can refer to an effect experienced by either a participant or a researcher. see also placebo