![]() ![]() Single-blind experimental design is used where the experimenters either must know the full facts (for example, when comparing sham to real surgery) and so the experimenters cannot themselves be blind, or where the experimenters will not introduce further bias and so the experimenters need not be blind. ![]() In a single blind experiment, the individual subjects do not know whether they are so-called "test" subjects or members of an " experimental control" group. A trivial example of a single-blind experiment would be the Pepsi Challenge. Unlike in a double blind experiment, the experimenter will be in full possession of the facts. Single blind describes experiments wherein information that could introduce bias or otherwise skew the result is withheld from the participants. ![]() However, in blind taste tests, where the brand identities are concealed, consumers may favor a different brand. For example, in open taste tests comparing different product brands, consumers usually choose their regular brand. Blinded research is an important tool in many fields of research, from medicine, to psychology and the social sciences, to forensics.īlinding is a basic tool to prevent conscious and unconscious bias in research. The double blind method is an important part of the scientific method, used to prevent research outcomes from being 'influenced' by either the placebo effect or the observer bias. List of terms related to Blind experimentĮditor-In-Chief: C. Risk calculators and risk factors for Blind experimentĬauses & Risk Factors for Blind experiment US National Guidelines Clearinghouse on Blind experimentĭirections to Hospitals Treating Blind experiment Ongoing Trials on Blind experiment at Clinical Ĭlinical Trials on Blind experiment at Google Articles on Blind experiment in N Eng J Med, Lancet, BMJĬochrane Collaboration on Blind experiment ![]()
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