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Exemplar-based inference in multi-attribute decision making: Contingent, not automatic, strategy shifts?
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
2008 (English)In: Judgment and decision making, ISSN 1930-2975, E-ISSN 1930-2975, Vol. 3, no 3, 244-260 p.Article in journal (Refereed) Published
Abstract [en]

Several studies propose that exemplar retrieval contributes to multi-attribute decisions. The authors have proposed a process theory enabling a priori predictions of what cognitive representations people use as input to their judgment process (Sigma, for "summation"; P. Juslin, L. Karlsson, & H. Olsson, 2008). According to Sigma, exemplar retrieval is a back-up system when the task does not allow for additive and linear abstraction and integration of cue-criterion knowledge (e. g., when the task is non-additive). An important question is to what extent such shifts occur spontaneously as part of automatic procedures, such as error-minimization with the Delta rule, or if they are controlled strategy shifts contingent on the ability to identify a sufficiently successful judgment strategy. In this article data are reviewed that demonstrate a shift between exemplar memory and cue abstraction, as well as data where the expected shift does not occur. In contrast to a common assumption of previous models, these results suggest a controlled and contingent strategy shift.

Place, publisher, year, edition, pages
2008. Vol. 3, no 3, 244-260 p.
Keyword [en]
exemplar memory, cue abstraction, strategy shifts, multi-attribute decisions, Sigma
National Category
Psychology
Identifiers
URN: urn:nbn:se:uu:diva-140358ISI: 000259234100005OAI: oai:DiVA.org:uu-140358DiVA: diva2:383476
Available from: 2011-01-05 Created: 2011-01-05 Last updated: 2017-12-11

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