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ISSN : 1226-9654

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Vol.10 No.1

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Illusory Inferences of Relative Probability and the Underlying Mechanism

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
1998, v.10 no.1, pp.55-66
Kyung Soo Do (Department of Psychology, Pusan National University)
Do, K. S. (1998). Illusory Inferences of Relative Probability and the Underlying Mechanism. The Korean Journal of Cognitive and Biological Psychology, 10(1), 55-66.

Abstract

Two experiments were performed to test Johnson-Laird et al.'s naive probability theory. Experiment 1 replicated Johnson-Laird & Savary's(1996) fording of the illusory inferences of relative probability. Participants were asked to write down true cases and false cases for the two premises prior to estimating probability of two events in Experiment 2 to test two principles of naive probability theory: The truth principle of representation and the proportionality principle of probability estimation. The truth principle was supported, but the proportionality principle for probability estimation was not supported in Experiment 2.

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The Korean Journal of Cognitive and Biological Psychology

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