V2EX base-rate neglect

Base-Rate Neglect

释义 Definition

忽视基准率:一种常见的判断偏差,指人在估计某事件的概率或做推断时,过度依赖个案信息/生动细节(如某人的描述、单个证据),而忽略总体中的基础比例(base rate,例如某类人群在总体中本来占多少)。

发音 Pronunciation (IPA)

/bes ret nlkt/

例句 Examples

Many people show base-rate neglect when they judge risks from one dramatic story.
很多人在根据一个戏剧性的故事来判断风险时,会表现出忽视基准率。

Even after hearing that only 1% of applicants are fraudulent, the interviewer committed base-rate neglect and assumed the candidate was likely lying because of a few suspicious details.
即使听说只有 1% 的申请者是欺诈者,面试官仍忽视了基准率,仅凭几个可疑细节就认为这名候选人很可能在撒谎。

词源 Etymology

base rate”原指统计与概率推断中的先验/总体比例(例如某疾病在总体中的患病率);“neglect”意为“忽视”。合起来表示在推断时忽略总体比例信息的倾向。该术语常见于认知心理学与行为决策研究,用来解释人们为何容被“看起来很像”的个案描述带偏。

相关词 Related Words

文学与经典著作 Literary Works

  • Daniel Kahneman, Thinking, Fast and Slow(《思考,快与慢》)在讨论启发式与偏差时涉及忽视基准率等现象。
  • Amos Tversky & Daniel Kahneman, “Judgment under Uncertainty: Heuristics and Biases”经典论文体系化讨论代表性启发式等,与忽视基准率密切相关。
  • Gerd Gigerenzer, Calculated Risks / Risk Savvy以风险沟通与统计素养为主线,讨论人们为何常忽略基准率信息。
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