double-blind procedure

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Related to double-blind procedure: single blind
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Noun1.double-blind procedure - an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; "a double-blind procedure is used to guard against both experimenter bias and placebo effects"
experimental procedure - the specific techniques used in conducting a particular experiment
References in periodicals archive ?
Yet police appear more enamored with the sequential procedure than the double-blind procedure.
They said that the expected Horner syndrome that would result from a successful procedure made creating a double-blind procedure a challenge.
Develop a serious research program, using control groups and double-blind procedures, exploring the possible role of external poisons and contaminants with regard to MG.