概念的形成
扎荣茨(1980)主张“偏好无需推理”,认为情感反应可以先于且快于认知评估发生。达马西奥(1994)通过躯体标记假说说明了情绪信号如何帮助理性决策。菲施霍夫等(1978)的风险认知研究发现了一种反向关系:即使在现实中风险与收益往往同时较高的技术上,人们一旦认为风险大,就会判断收益小。阿尔哈卡米与斯洛维奇(1994)报告,这种反向关系可以由人们对对象的整体好感度来解释。
关键实验
菲纽肯等(2000)表明,在时间压力下,人们对核能、天然气、食品防腐剂等对象的风险与收益判断之间的反向关系会更强。仅告知某项技术收益很大,人们就会把其风险评得更低;仅告知其风险很小,人们就会把其收益评得更高。斯洛维奇等(2002)据此提出情感启发式概念:人们参照附着在对象上的情感“标签”来快速判断。罗滕斯特赖希与奚恺元(2001)报告了“概率忽视”,即结果越能激起强烈情绪,人们对概率差异就越不敏感;奚恺元(1998)还展示了在单独评估时,情感上更讨喜的选项即使客观价值较低也会被评价更高。
理论地位与批评
勒文斯坦、韦伯、奚恺元与韦尔奇(2001)提出“风险即感受”假说,认为人们在风险情境中的行为可能更多受当下情绪支配,而非对结果概率和大小的认知评估。斯洛维奇等(2004)区分了把风险当作分析和当作感受的两套系统;卡尼曼(2011)把情感启发式介绍为快速、直觉的系统1的典型运作方式。不过,帕赫尔、赫特维希与施泰因曼(2012)报告,在预测人们的风险判断时,个人亲身经历案例的可得性往往比情感更有解释力,关于情感启发式如何区别于其他启发式的讨论仍在继续。该概念与前景理论和框架效应一道,是判断与决策研究的主要议题。
常见问题
- 怎样简单理解情感启发式?
- 喜欢某样东西,就觉得它安全又有益;讨厌它,就觉得它危险又没用。也就是在仔细思考之前,感受先引导了判断。
- 情感启发式与可得性启发式有何不同?
- 情感启发式以对事物的好恶感受作为判断线索,可得性启发式则以相关例子是否容易想起作为线索。二者可能同时起作用,研究者也在探讨不同情境下哪一种更能解释人们的判断。
来源核查日期:2026-10-26
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