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cover of episode You Have Reached Your Destination

You Have Reached Your Destination

2019/12/27
logo of podcast Cautionary Tales with Tim Harford

Cautionary Tales with Tim Harford

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Tim Harford: 本期节目探讨了人们对预测的过度依赖,以及这种依赖可能带来的风险。从古代克洛伊苏斯国王向神谕寻求战争建议,到现代人依赖GPS导航和算法决策,都体现了人们对预测的盲目信任。即使预测准确,也不保证人们会做出明智的决定。过度依赖预测会让人们忽略现实情况,做出错误的判断。例如,过度依赖GPS导致人们在Death Valley迷路甚至丧生;过度依赖AIG公司的数学模型预测风险,最终导致巨额损失。因此,在做出重大决策前,应该停下来认真思考,不要盲目依赖任何“黑箱”预测结果,要对预测结果进行深入的分析和解读,并结合实际情况做出判断。 Tim Harford: 节目中还提到了一个实验,该实验表明,过度依赖GPS会让人们忽略周围环境,最终后悔。另一个实验则表明,一个虽然诊断准确率不高,但能促使医生认真思考的电脑诊断系统,反而降低了患者死亡率和医疗错误率。这说明,预测本身并不重要,重要的是预测是否能促使人们更深入地思考。在面对任何预测时,都应该进行讨论和辩论,认真思考其含义和可信度,并据此制定行动计划。认真思考未来,可以使我们成为更好的人。

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The episode begins with a historical tale of King Croesus, who sought advice from the Oracle of Delphi, leading to his downfall. This story serves as a cautionary tale about blindly trusting predictions, whether from ancient oracles or modern computer systems.

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We may mock our ancestors for seeking the advice of oracles, soothsayers and psychics, but today we rely heavily on computer programs and math formulas to help us navigate our world. If we continue to follow them unthinkingly, should we be surprised when we end up in unexpected and dangerous places?

Read more about Tim's work at http://timharford.com/)

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