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    Reasoning with conditionals containing negated constituents

    Oaksford, Mike and Stenning, K. (1992) Reasoning with conditionals containing negated constituents. Journal of Experimental Psychology: Learning, Memory, and Cognition 18 (4), pp. 835-854. ISSN 0278-7393.

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    Investigated matching bias in conditional reasoning tasks in 3 experiments. Matching bias occurs when Ss ignore negations and match named items. Exp 1 used an abstract and a thematic version of J. S. Evans's (1972) construction task. Results showed that matching may be due to an interaction between task demands and constructing contrast classes when interpreting negations. Exp 2, which used P. C. Wason's (1968) selection task, introduced a manipulation to ease contrast-class construction. Confirmation plus falsification dominated over matching. Exp 3 introduced 2 other manipulations to aid contrast-class construction with abstract material. Confirmation was facilitated, matching was suppressed, and falsification remained unchanged. These results suggest that matching occurs only when insufficient or ambiguous information prevents the intended interpretation of negations.


    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 15 Sep 2016 16:57
    Last Modified: 02 Aug 2023 17:26


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