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The rationality of informal argumentation: a Bayesian approach to reasoning fallacies

Hahn, Ulrike and Oaksford, Mike (2007) The rationality of informal argumentation: a Bayesian approach to reasoning fallacies. Psychological Review 114 (3), 704 - 732. ISSN 0033-295X.

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Official URL: http://dx.doi.org/10.1037/0033-295X.114.3.704

Abstract

Classical informal reasoning “fallacies,” for example, begging the question or arguing from ignorance, while ubiquitous in everyday argumentation, have been subject to little systematic investigation in cognitive psychology. In this article it is argued that these “fallacies” provide a rich taxonomy of argument forms that can be differentially strong, dependent on their content. A Bayesian theory of content-dependent argument strength is presented. Possible psychological mechanisms are identified. Experiments are presented investigating whether people's judgments of the strength of 3 fallacies—the argumentum ad ignorantiam, the circular argument or petitio principii, and the slippery slope argument—are affected by the factors a Bayesian account predicts. This research suggests that Bayesian accounts of reasoning can be extended to the more general human activity of argumentation.

Item Type: Article
Keyword(s) / Subject(s): argumentation, Bayesian probability, fallacies, informal reasoning
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Psychological Sciences
Depositing User: Administrator
Date Deposited: 08 Aug 2011 14:19
Last Modified: 08 May 2013 13:14
URI: http://eprints.bbk.ac.uk/id/eprint/3964

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