| 释义 |
double-blind
double blindn. 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.double-blind adj of or relating to an experiment to discover reactions to certain commodities, drugs, etc, in which neither the experimenters nor the subjects know the particulars of the test items during the experiments. Compare single-blind dou′ble-blind′
adj. of or pertaining to an experiment or clinical trial in which neither the researchers nor the subjects know which subjects are receiving the active treatment, etc., so as to eliminate bias. double-blind
double-blind, double-blinded (dub'el-blind') Pert. to a method, study, or clinical trial in which neither the subjects nor the investigators know the identities of the subjects nor what treatment or medication, if any, the subjects receive. A double-blind study attempts to eliminate observer and subject bias. See: blind (2); single-blindThesaurusSeedouble blind |