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placebo effect

[pluh-see-boh] /pləˈsi boʊ/
noun
1.
a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects.
Origin
1945-1950
1945-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for placebo effect
  • And the folded paper cootie catchers do nothing but induce a placebo effect in affected persons.
  • And, of course, the placebo effect in medicine is well established.
  • Episode in which they've run out of morphine, and have to rely on the placebo effect on wounded soldiers.
  • It is also possible that your recovery was due to the placebo effect instead of the acupuncture itself.
  • Doctors have long thought the placebo effect is all in the head, and it turns out they may be right.
  • But scientists argue that the placebo effect--whereby belief in a treatment will provide relief--is probably at work.
  • My first thought was that there was a placebo effect that influenced the outcome of these experiments.
  • But the chemical basis of the placebo effect, despite its enormous importance, is still largely a mystery.
  • Without that, the influence and confounding role of a placebo effect cannot be overlooked.
  • The placebo effect is, in essence, a positive result of communication.
British Dictionary definitions for placebo effect

placebo effect

noun
1.
(med) a positive therapeutic effect claimed by a patient after receiving a placebo believed by him to be an active drug See control group
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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placebo effect in Medicine

placebo effect n.
A beneficial effect in a patient following a particular treatment that arises from the patient's expectations concerning the treatment rather than from the treatment itself.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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