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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.
Wason was born in Bath, Somerset, on 22 April 1924, and died at age 79 in Wallingford, Oxfordshire, on 17 April 2003. Peter Wason was the grandson of Eugene Wason, [2] and the son of Eugene Monier and Kathleen (Woodhouse) Wason. [3] Wason married Marjorie Vera Salberg in 1951, and the couple had two children, Armorer and Sarah. [3]
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
The Wason selection task provides evidence for the matching bias. [15] The test is designed as a measure of a person's logical thinking ability. [50] Performance on the Wason Selection Task is sensitive to the content and context with which it is presented. If you introduce a negative component into the conditional statement of the Wason ...
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).
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The incorporation of classroom assessment techniques is an age-old concept which teachers have been using and practicing for years. Whether a teacher uses a technique learned in training, or simply a strategy conjured up on their own, teachers need to know if their methods are successful and many feel that the desire to understand students' comprehension is instinctive.
The key with the Wason selection task is that we can re-phrase the task and ensure that nearly 100 % of the students get the question correct. In particular, you set up 4 tables at a bar: One where every body is old, one where everybody is young, one where no one is drinking alcohol, and one where there are lots of beers.