V2EX confounder

Confounder

释义 Definition

(尤用于统计学、医学与社会科学)混杂因素:一种同时与“暴露/自变量”和“结果/因变量”相关的变量,会使两者之间的关系看起来被“扭曲”或产生假象。(也常见动词 confound 表“使困惑/使混淆”,此处为名词用法。)

发音 Pronunciation

/kn.fan.dr/(英); /knfan.d/(美)

例句 Examples

A confounder can make a treatment look more effective than it really is.
混杂因素可能会让一种治疗看起来比实际更有效。

Age is a common confounder, because it can influence both lifestyle choices and health outcomes.
年龄是常见的混杂因素,因为它既会影响生活方式选择,也会影响健康结果。

词源 Etymology

Confounder 来自动词 confound(使混淆、使困惑),其来源可追溯到拉丁语 confundere,意为“混合在一起、搅乱”。名词后缀 -er 表示“造成某种结果的事物/人”,因此 confounder 直观含义就是“造成混淆的因素”,在科研语境中特指“造成因果判断被混淆的变量”。

相关词 Related Words

文学作品 Literary Works

在经典文学作品中,confounder(统计学意义)并不常作为核心词出现;更常见的是动词 confound(“使困惑/使混乱”)的文学用法,例如:

  • Shakespeare《Macbeth》:出现 “confound” 等用法,用于表达“使计划/人心大乱”的含义。
  • Shakespeare《Othello》:可见 “confound” 用于强化咒骂或情绪表达(如“confound you”一类语气)。

而名词 confounder 更常见于学术写作与教材(如流行病学、统计学入门读物)中,用来讨论研究设计与因果推断。

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