base rate fallacy

British

noun

statistics the tendency, when making judgments of the probability with which an event will occur, to ignore the base rate and to concentrate on other information

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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base rate fallacy

But this perception is an example of a phenomenon known as the base rate fallacy.

From Scientific American ● Jun. 7, 2022

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023