double-blind

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Hard science, Medicine

ˌdouble-ˈblind adjective technical  HMa double-blind scientific test or study compares two groups in which neither the scientists nor the people being studied know which group is being tested and which group is not 〔科学试验或研究〕双盲的〔指研究人员和受试者均不知道哪一组为测试组，哪一组为对照组〕

Examples from the Corpus

double-blind• One study did not use a double-blind design and was therefore excluded from the analysis.• Convincing them otherwise would take double-blind trials and a plausible explanation of how the sensitivity might arise.• To eliminate this, as in double-blind trials, would in many cases render the therapy impotent.

ˌdouble-ˈblind adjectiveChineseSyllable  

study scientific test or a Corpus compares double-blind

double-blind
ˌdouble-ˈblind adjective technical
a double-blind scientific test or study compares two groups in which neither the scientists nor the people being studied know which group is being tested and which group is not

double-blindBrE /ˌdʌbl ˈblaɪnd/ 🔊NAmE /ˌdʌbl ˈblaɪnd/ 🔊 adjective [only before noun] (of a test) conducted so that neither the organizer nor any other people involved know any information which might influence the results （测试）双盲的（研究人员和参与者都不知道可能影响结果的信息）◆A randomized double-blind study was carried out to test the drug's effectiveness. 进行了随机双盲研究以测试药效。🔊🔊