placebo
Last edited
December 1, 2008
More by Glossary of selected Judgement and Decision-making, Belief-related, and other Psychology terms »
More by Glossary of selected Judgement and Decision-making, Belief-related, and other Psychology terms »
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Placebo Any substance or procedure from which recipients benefit even though it contains or embodies no active ingredient, and in the context of experimental research simulates the target intervention or treatment in an attempt to equalize expectancy effects across the control and experimental groups.
(see also: control group, double-blind, experimenter bias, Observer effect»Observer bias, randomized assignment, confound/confounding, variable, as well as: schema, expectations, expectancy, belief bias, myside bias)
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