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Peter Cathcart Wason (22 April 1924 – 17 April 2003) was an English cognitive psychologist at University College, London, who pioneered the psychology of reasoning. He sought to explain why people consistently commit logical errors.
The Wason selection task (or four-card problem) is a logic puzzle devised by Peter Cathcart Wason in 1966. [1] [2] [3] It is one of the most famous tasks in the study of deductive reasoning. [4] An example of the puzzle is: You are shown a set of four cards placed on a table, each of which has a number on one side and a color on the other.
Jonathan St B. T. Evans (born 30 June 1948) [2] is a British cognitive psychologist, currently Emeritus Professor of Psychology at the University of Plymouth. [3] In 1975, with Peter Wason, Evans proposed one of the first dual-process theories of reasoning, an idea later developed and popularized by Daniel Kahneman.
The THOG problem is one of cognitive psychologist Peter Wason's logic puzzles, constructed to show some of the weaknesses in human thinking. You are shown four symbols a black square; a white square; a black circle; a white circle; and told by the experimenter "I have picked one colour (black or white) and one shape (square or circle).
In Peter Wason's initial experiment published in 1960 (which does not mention the term "confirmation bias"), he repeatedly challenged participants to identify a rule applying to triples of numbers. They were told that (2,4,6) fits the rule. They generated triples, and the experimenter told them whether each triple conformed to the rule. [3]: 179
Citygarden is an urban park and sculpture garden in St. Louis, Missouri owned by the City of St. Louis but maintained by the Gateway Foundation. [1] It is located between Eighth, Tenth, Market, and Chestnut streets, [2] in the city's "Gateway Mall" area.