集群錯覺

逐渐上升到10,000个点的随机点生成器，看起来里面似乎充满了集群

集群错觉（英語：clustering illusion）是人类的一种错觉，指的是人类会倾向将小样本中随机出现的集群或者条纹认为是非随机的[1][2]。这种错觉是由于人们低估随机或半随机数据小样本中的变异量所致[3]。

例子

相关课题研究者、社会科学家托马斯·吉洛维奇（英语：Thomas Gilovich）认为集群错觉在生活中无处不在，甚至人们对二维数据也会有集群错觉：例如第二次世界大战中V-1火箭击中伦敦的位置看起来就像是若干个集群，股票市场价格随时间波动的模式看起来也像是若干个集群[3][4]。尽管伦敦人对于火箭攻击的情况有许多猜测，数据分析师R.克拉克最初于1946年发表的分析显示V-2火箭击中伦敦的位置实际上符合一定范围内的随机分布[5][6][7][8][9]。

类似偏误

在因果推理中受到该認知偏誤的影响可能导致德州神槍手謬誤，有时两者干脆就是混用的[10][11]。该谬误的更普遍形式是空想性错视和幻想性错觉。相关谬误还包括集群错觉可能导致的控制错觉以及对数据集大小的不敏感（英语：insensitivity to sample size）。该谬误在概率学上常常与賭徒謬誤错用。

可能的产生原因

丹尼尔·卡尼曼和阿摩司·特沃斯基认为这种错觉可能由人类的代表性捷思法引起，他们亦是相关理论的首创者[4]。

另见

参考文献

  1. ^ the free dictionary. clustering illusion. Medical Dictionary. [2020-03-26]. （原始内容存档于2020-11-26）. 
  2. ^ Tilli, Michele Orazio. David Hume on probability and the Gambler’s fallacy. 
  3. ^ 3.0 3.1 Gilovich, Thomas. How we know what isn't so: The fallibility of human reason in everyday life. New York: The Free Press. 1991. ISBN 978-0-02-911706-4. 
  4. ^ 4.0 4.1 Kahneman, Daniel; Amos Tversky. Subjective probability: A judgment of representativeness. Cognitive Psychology. 1972, 3 (3): 430–454. doi:10.1016/0010-0285(72)90016-3. 
  5. ^ Clarke, R. D. An application of the Poisson distribution. Journal of the Institute of Actuaries. 1946, 72 (3): 481. doi:10.1017/S0020268100035435. 
  6. ^ Gilovich, 1991 p. 19
  7. ^ Mori, Kentaro. Seeing patterns. [3 March 2012]. （原始内容存档于2020-02-24）. 
  8. ^ Bombing London. [3 March 2012]. （原始内容存档于2012-02-21）. 
  9. ^ Tierney, John. See a pattern on Wall Street? (October 3, 2008). TierneyLab (New York Times). 3 October 2008 [3 March 2012]. （原始内容存档于2020-12-18）. 
  10. ^ clustering illusion. Skeptic's dicitionary. [2020-03-26]. （原始内容存档于2021-03-04）. 
  11. ^ Laurie Johnson. Shakespeare's Lost Playhouse: Eleven Days at Newington Butts. 

外部链接

维基共享资源上的相关多媒体资源：集群錯覺

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