double blind(redirected from Blind experiment)
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a test or experiment.
double blind/dou·ble blind/ (dub´'l blīnd´) pertaining to an experiment in which neither the subject nor the person administering treatment knows which treatment any particular subject is receiving.
A testing procedure designed to avoid biased results by ensuring that at the time of the test neither the administrators nor the subjects know which subjects are receiving a test treatment and which belong to a control group.