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2 en 1 ou lorsque l'effet de format dépend de l'effet d'ordre: le cas du problème des avocats et des ingénieurs

Abstract : Three studies investigated the base-rate sensitivity in the list version of Kahneman and Tversky’s (1973) lawyer-engineer problem (Ginossar & Trope 1987). Study 1 replicated Ginossar and Trope’s results : individuals solving the task within the standard version failed to integrate base rates into their judgment, whereas individuals presented with the list format were rather base rate sensitive. Studies 2 and 3 investigated the extent to which the latter effect was due to the ordinal position of base rates information within the list. Results from these studies suggest that participants attend to base-rate information only when it is presented at the beginning or in the end of the list. The implications of these results for the original explanation (in terms of equalized salience of information) are discussed and an alternative explanation is offered.
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https://hal-univ-paris8.archives-ouvertes.fr/hal-01057965
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Submitted on : Monday, August 25, 2014 - 5:10:33 PM
Last modification on : Wednesday, December 8, 2021 - 3:41:42 AM

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  • HAL Id : hal-01057965, version 1

Citation

D. Vasiljevic, M. Augustinova, Dominique Oberlé. 2 en 1 ou lorsque l'effet de format dépend de l'effet d'ordre: le cas du problème des avocats et des ingénieurs. Annee Psychologique, Centre Henri Pieron/Armand Colin, 2009, 109, pp.253-269. ⟨hal-01057965⟩

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