V2EX double-blind

Double-blind

释义 Definition

(研究/临床试验)双盲的:一种实验设计方法,参与者与研究者(或评估者)都不知道受试者被分配到实验组还是对照组,从而减少偏差、提高结果可信度。(也可作名词:double-blind study/trial 双盲研究/试验)

发音 Pronunciation (IPA)

/dbl bland/

例句 Examples

The trial was double-blind, so neither the patients nor the doctors knew who received the real drug.
这项试验是双盲的,因此病人和医生都不知道谁接受了真正的药物。

In a double-blind experiment, expectations on both sides are controlled, which helps researchers separate real effects from placebo responses.
在双盲实验中,双方的预期都会被控制,这有助于研究者将真实效果与安慰剂反应区分开来。

词源 Etymology

double- 意为“两个/双重”,blind 在这里引申为“(对信息)不知情”。合起来表示“两方都被蒙蔽/都不知分组信息”,常用于医学与心理学等领域的实验设计。

相关词 Related Words

文学与作品 Literary & Works

  • The Emperor of All Maladies(《众病之王》, Siddhartha Mukherjee)讨论现代医学研究与临床试验方法时常涉及“双盲试验”等概念。
  • Bad Science(《糟糕的科学》, Ben Goldacre)以科普方式介绍随机对照与双盲等方法,用于识别伪科学与研究偏差。
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