double-blind

[ duhb-uhl-blahynd ]

adjective

1. of or relating to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.

double-blind

adjective

1. 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

Word History and Origins

Origin of double-blind¹

First recorded in 1935–40

Example Sentences

The study was randomized and double-blind.

From Science Daily

But experts have uncovered different findings, using a ‘double-blind’ experiment.

From BBC

Prof Shane was called in to do a double-blind test with pictures.

From BBC

He has never undertaken the double-blind test.

From BBC

In a preliminary, randomized, double-blind clinical trial led by Northwestern University and University of Florida scientists, patients who took nicotinamide riboside daily for six months increased their timed walking distance by more than 57 feet, compared to participants who took a placebo.

From Science Daily