double blind


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double blind

n.
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.

dou′ble-blind′ adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.double blind - a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results
trial, run, test - the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"
References in periodicals archive ?
He told me that only double blind studies were of value.
Open study was conducted in Japan and Double Blind Placebo Controlled Study was conducted in China.