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Positive confirmation in rational and irrational learning


  • Jones, Martin K.


A new experiment is reported which tests for positive confirmation bias when subjects learn about a rule. The experiment reveals strong evidence of positive confirmation bias and corresponding violations of expected utility. This evidence for positive confirmation not only covers the search for evidence but also the use of it in making decisions. These results are consistent with and expand on previous results on the subject.

Suggested Citation

  • Jones, Martin K., 2008. "Positive confirmation in rational and irrational learning," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 37(3), pages 1029-1046, June.
  • Handle: RePEc:eee:soceco:v:37:y:2008:i:3:p:1029-1046

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    References listed on IDEAS

    1. Reinhard Selten & Abdolkarim Sadrieh & Klaus Abbink, 1999. "Money Does Not Induce Risk Neutral Behavior, but Binary Lotteries Do even Worse," Theory and Decision, Springer, vol. 46(3), pages 213-252, June.
    2. Martin Jones & Robert Sugden, 2001. "Positive confirmation bias in the acquisition of information," Theory and Decision, Springer, vol. 50(1), pages 59-99, February.
    3. Loomes, Graham & Sugden, Robert, 1995. "Incorporating a stochastic element into decision theories," European Economic Review, Elsevier, vol. 39(3-4), pages 641-648, April.
    4. Borgers, Tilman, 1996. "On the Relevance of Learning and Evolution to Economic Theory," Economic Journal, Royal Economic Society, vol. 106(438), pages 1374-1385, September.
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    Cited by:

    1. Paradiso, Antonio & Kumar, Saten & Margani, Patrizia, 2014. "Are Italian consumer confidence adjustments asymmetric? A macroeconomic and psychological motives approach," Journal of Economic Psychology, Elsevier, vol. 43(C), pages 48-63.
    2. Ertac, Seda, 2011. "Does self-relevance affect information processing? Experimental evidence on the response to performance and non-performance feedback," Journal of Economic Behavior & Organization, Elsevier, vol. 80(3), pages 532-545.

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