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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. The ...
In 1960 Wason developed the first of many tasks he would devise to reveal the failures of human reasoning. The "2-4-6" task was the first experiment that showed people to be illogical and irrational. In this study, subjects were told that the experimenter had a rule in mind that only applied to sets of threes.
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 ...
A Syllogistic Reasoning Task was created from a study performed by Morsanyi, Kinga, Handley, and Simon that examined the intuitive contributions to reasoning. They used this test to assess why "syllogistic reasoning performance is based on an interplay between a conscious and effortful evaluation of logicality and an intuitive appreciation of ...
[5] [6] One central aspect is that this support is not restricted to a specific reasoner but that any rational person would find the conclusion convincing based on the premises. [6] [1] This way, logical reasoning plays a role in expanding knowledge. [7] The main discipline studying logical reasoning is called logic.
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.
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