V2EX self-selection

Self-selection

释义 Definition

自我选择;自选进入(某群体/研究/项目):指个体基于自身兴趣、条件或偏好主动选择参与某项活动、加入某一群体或进入某种情境。常用于统计学与社会科学中,表示由于“参与者并非随机进入”而可能导致的选择偏差(self-selection bias)。在日常语境里也可指“自行挑选(岗位、课程、服务等)”。

发音 Pronunciation

/self slekn/

例句 Examples

Students can enroll in the optional workshop by self-selection.
学生可以通过自我选择报名参加这个选修工作坊。

Because participation was based on self-selection, the survey results may overrepresent people with strong opinions.
由于参与是自我选择的,调查结果可能会过度代表观点强烈的人群。

词源 Etymology

由 **self-**(“自我、自己”)与 selection(“选择、挑选”,源自拉丁语 selectio)组合而成,字面意思是“自己进行的选择”。该词在学术研究与政策评估中常用来强调:样本或参与者是“自己选择进入”的,而不是被随机分配或随机抽样,从而可能影响结论的可靠性与可推广性。

相关词 Related Words

文学与著作 Literary Works

  • Daniel Kahneman, Thinking, Fast and Slow(讨论判断与决策偏差的相关语境中常提及选择偏差/自选效应)
  • Judea Pearl & Dana Mackenzie, The Book of Why(涉及因果推断中样本选择与偏差问题)
  • Angrist & Pischke, Mostly Harmless Econometrics(计量经济学中讨论自我选择导致的识别问题)
  • Hernán & Robins, Causal Inference: What If(因果推断教材,讨论自我选择与混杂/偏差的关系)
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