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double-blind definition

☆ double-blind (-blīnd′)

adjective

designating or of a technique used to test objectively the effects of a drug, course of treatment, etc. in which neither the subjects nor the researchers know during the testing who is actually receiving the drug, treatment, etc. and who is not, as in an experiment involving a drug and a placebo

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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