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placebo effect

[ pluh-see-boh ]

noun

  1. a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects.


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


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Word History and Origins

Origin of placebo effect1

First recorded in 1945–50

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Example Sentences

There is some scientific merit to some alternative modalities, such as the well-documented placebo effect.

Nobody conceived of a thing like the placebo effect or researcher bias —none of these notions had been worked out yet.

The second is the placebo effect, which will often cause anything presented as medication to “work.”

“If this is all some twisted placebo effect, I don't give a damn,” Robertson says.

The placebo effect has become increasingly interesting to psychological as well as medical researchers.

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