In psychology, 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 …

Dec 28, 2024 · Peter Wason originally designed the test to see if people applied logic that would disprove a hypothesis by falsifying it as well as by confirming it. It goes like this: Imagine that you …

Learn what the Wason selection task is, what it reveals about human reasoning, and why it’s a key experiment in cognitive psychology.

Dec 6, 2025 · A simple but tricky logical puzzle introduced in 1966 by the English psychologist Peter C (athcart) Wason (1924–2003) and widely used to study problem solving.

Oct 7, 2012 · Introduced as a test of his theory of confirmation bias, Wason’s task has ended up a widely used experimental paradigm for examining human reasoning in the domains of abstract logic, social …

Jun 23, 2025 · Research has shown that people find it very difficult to decide what information is necessary in order to test the truth of an abstract logical-reasoning problem. The Wason Selection …

Peter Wason is regarded by many as the founder of the modern psychology of reasoning. He was an unorthodox but highly creative researcher who invented several reasoning tasks, in particular, the …

Well maybe, but the Wason Selection Task, as it is called, is one of the most oft repeated tests of logical reasoning in the world of experimental psychology.

Jan 1, 2021 · The Wason (1966) selection task is a reasoning task based on the logic of conditional rules and their violation. Wason’s selection task is a problem designed to explore the ways people …

Peter Wason introduced the Wason selection task in 1966, which involves determining which cards need to be flipped to test a rule based on a conditional statement.