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Pronunciation: (dub'ul blīnd'), [key]
of or pertaining to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

double binddouble block


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