| 词汇 | double-blind |
| 释义 | double-blind adjective science, medical specializeduk /ˌdʌb.əlˈblaɪnd/ us /ˌdʌb.əlˈblaɪnd/ A double-blind study or trial, especially in medicine, is one in which two groups of people are studied, for example with one group taking a new drug and one group taking something else, but neither the people in the study nor the scientist or doctor knows which person is in which group.（尤指药物）双盲测试的（受试者和医生均不知道哪一组在接受测试） Scientific techniques anatomize anti-vivisection bioengineer bioengineering biohacker carbon capture carbon dating confounding variable control for something cryopreservation DNA fingerprinting fixation genetic engineering polymerase chain reaction recentrifuge resample thermal imaging tissue culture unsensitized visualize double-blind | Business Englishdouble-blind adjective[ usually before noun ] ukus(alsodouble-blinded) used to describe a test of a new product, especially a medicine, in which one group of people is given the new product, and another group is given something that contains none of the product. Neither those being tested nor those doing the testing know which group is which: double-blind study/trialThis is a double-blind trial of 400 patients where 60% will get the drug and 40% will get a placebo. Examples of double-blinddouble-blind Therapeutic efficacy of right prefrontal slow repetitive transcranial magnetic stimulation in major depression : a double-blind controlled study. Pathological laughing and crying following stroke: validation of a measurement scale and a double-blind treatment study. Randomized double-blind, placebo-controlled trial of high-flow inhaled oxygen in acute cluster headache. Efficacy of pregabalin in neuropathic pain evaluated in a 12-week, randomised, double-blind, multicentre, placebo-controlled trial of flexible- and fixed-dose regimens. Using double-blind procedures, it assessed patients a few weeks after withdrawal and then again at 6 and 12 months. Patients from these double-blind trials could subsequently enroll in long-term open-label safety studies. Seventy-six percent of the total study population completed the double-blind study. Such compromise of the integrity of the double-blind in a clinical trial could lead to spurious results or an exaggeration of the treatment effect. A randomized double-blind controlled trial in normal subjects. There were no psychometric score differences between treatment groups after 3 months of double-blind treatment. These function structures were then graded for quality using a double-blind system. This practice continues today, as we solicit at least three referee reports for each article as part of the double-blind peer-review process. Subject and scorer bias is easily controlled by double-blind designs. An example is the insistence on double-blind randomized clinical trials for the rigorous comparison of interventions. In the case of chemotherapy, placebos and double-blind situations are usually employed to ensure that an observed effect is directly attributable to the treatment. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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