"1924Z"^^ . . . "Wason, Peter Cathcart"@en . . "2003-04-17Z"^^ . . . . "1924-02-22Z"^^ . . "Peter Wason"@en . . . . . "2003Z"^^ . "Peter Cathcart Wason (22 April 1924 \u2013 17 April 2003) was a cognitive psychologist at University College, London who pioneered the Psychology of Reason. He progressed explanations as to why people make certain consistent mistakes in logical reasoning. He designed problems and tests to demonstrate these processes, for example the Wason selection task, the THOG problem and the 2-4-6 problem."@en . "British psychologist" . .