| 单词 | Placebo control |
| 释义 |
Placebo control
原声例句
简单心理学 This time, they aimed for a lower blood alcohol level of about 0.03, and this allowed them to use a placebo control group — that's low enough that people might not have known whether they were drinking or not. 这一次，他们的目标是将血液中的酒精含量降低到 0.03 左右，这样他们就可以使用安慰剂对照组——这一酒精含量极低，人们可能不知道他们是否正在饮酒。
英语百科
Placebo-controlled study（重定向自Placebo control）
  Placebo-controlled studies are a way of testing a medical therapy in which, in addition to a group of subjects that receives the treatment to be evaluated, a separate control group receives a sham "placebo" treatment which is specifically designed to have no real effect. Placebos are most commonly used in blinded trials, where subjects do not know whether they are receiving real or placebo treatment. Often, there is also a further "natural history" group that does not receive any treatment at all. |
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