single-blind study(redirected from single-masked study)
Etymology: L, singulus, one by one; AS, blind + L, studere, to be busy
an experiment in which the person collecting data knows whether the subject is in the control group or the experimental group, but subjects do not. See also double-blind study.
single-blind studyA study in which one party, either the investigator or the subject/patient, does not know whether medication or placebo is administered.
n an experiment in which the person collecting the data knows whether the subjects are in the control or experimental groups but the subjects do not.