释义 |
single-ˈblind, a. [f. single a., after double-blind a.] Applied to a test or experiment conducted by one person on another in which information about the test that may lead to bias in the results is concealed from one of the parties.
1963Amer. Jrnl. Psychiatry CXX. 67/1 The single-blind study showed relief of symptoms with mephenoxalone in 3 of 9 patients. 1976Sci. Amer. Jan. 8/3 The test was not even single-blind. 1978Nature 20 Apr. 729/1 The studies were performed open or single-blind, in most cases with randomised placebo controls. 1981Brit. Med. Jrnl. 11 July 22/2 If the identity of the treatment is concealed only from the assessor then the trial is single-masked or single-blind... The term ‘single-blind’ has also been applied to trials in which only the patient is in the dark, although this is not nearly so important as the assessor being in the dark. |