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Denoting a test or experiment in which information that may bias the results is concealed from either tester or subject.
- ‘It should be mentioned, however, that this was only a single-blind test, with a subject predisposed to be hostile to phrenology.’
- ‘The study was a single-blind taste test of azithromycin, cefprozil, cefixime and amoxicillin-clavulanic acid.’
- ‘Forearmed with a knowledge both of phrenology and the tricks of con artists, he performed a simple single-blind reliability test.’
- ‘Following a 2-week, single-blind placebo washout phase, 12 autistic subjects completed a 10-week, double-blind, crossover comparison of clomipramine and placebo.’
- ‘Forty consecutive subjects with lipid profile abnormalities were enrolled in a single-blind, placebo-controlled crossover study.’
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