blind study

(redirected from blind test)

blind stud·y

a study in which the observer is unaware of which individuals or group is subject to the treatment or procedure variables.
See also: blind test.
Synonym(s): blind test
Clinical research A trial in which participants—the subject or the investigator (or both)—are unaware as to whether they are in the experimental or control arm of the study


not having the sense of sight. See also blindness.

double blind trial
an experiment in which the identity of the animals in the treatment and control groups is unknown to the experimenter and in addition the assessment of the results is done without the animals' identities being known to the experimenter. Called also blind study.
blind experiment
the identities of the animals that are in the treatment and the control groups are unknown to the experimenter until the end of the trial.
blind snakes
blind spot
the area marking the site of entrance of the optic nerve on the retina; it is not sensitive to light.
blind staggers
see dummy.
blind study
see double blind trial (above).
blind teat
see blind teat.
References in periodicals archive ?
Science has steadily eroded that glamour for several years, through blind test studies that have explored whether"Strads" really are superior.
Watsons ran us through the same blind test they use for all consumers in their stores.
37 tipple beat thousands of others in a blind test of 16,000 wines to win best in show at the Decanter World Wine Awards.
A blind test by a panel of experts for watchdog Which?
In a blind test Libero Touch achieved outstanding results with eight out of 10 parents agreeing that our product was softer than the competitor's product," says Holmberg.
The NTNU study was a triple blind test, which means that neither patients nor doctors nor those who analyzed the results knew whether the patients had been given placebo or real medicine, Stovner said.
The researchers used DNA barcoding to conduct a blind test of the authenticity for: (i) 44 herbal products representing 12 companies and 30 different species of herbs; and (ii) 50 leaf samples collected from 42 herbal species.
In a blind test taste of four lamb, beef and pork sausages, he was the only show visitor to correctly guess the "secret" ingredient in each.
They had done a blind test where they took certain voices from previous interviews and matched them with the character," Katy explains.
Scientists in Britain, Cyprus and Greece said that in a blind test, they correctly identified 14 Down's syndrome cases and 26 normal foetuses.
Keith, 69, was top in a blind test by online retailer BBC Shop.
These coffees were then submitted to a final blind test in the coffee laboratory of the ACS by a jury panel of trade experts who selected the top five natural coffees and the top five semi-washed coffees.