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

See double-blind in American Heritage Dictionary 4

noun
A testing procedure, designed to eliminate biased results, in which the identity of those receiving a test treatment is concealed from both administrators and subjects until after the study is completed.

Related Forms:

  • douˈble-blindˌ (dŭbˈəl-blīndˈ) adjective

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