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Expertise in ill-defined problem-solving domains as effective strategy use

Schunn, CD and McGregor, MU and Saner, LD (2005) Expertise in ill-defined problem-solving domains as effective strategy use. Memory and Cognition, 33 (8). 1377 - 1387. ISSN 0090-502X

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Abstract

Expertise consists of many different cognitive structures. Lemaire and Siegler (1995) have proposed a four-layered account of expertise from a strategies perspective: Experts have better strategies, tend to use strategies that are better overall more often, are better able to select the circumstances to which a strategy best applies, and are better able to execute a given strategy. Originally, this account came from work in simple, well-defined domains. We explored this account in the complex, ill-defined domain of platoon leadership. In Experiment 1A, we elicited free-text responses to leadership scenarios from novices, intermediates, and experts, finding expertise effects for strategy base rates and choice, but not for strategy existence or the number of strategies used. In Experiment 1B, we used a new group of experts to gather ratings of the execution accuracy of the responses in Experiment 1A and found expertise differences in the ability to execute the same strategies. We propose several elaborations to the original four-layered strategies account of expertise on the basis of these results. Copyright 2005 Psychonomic Society, Inc.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Schunn, CDschunn@pitt.eduSCHUNN0000-0003-3589-297X
McGregor, MU
Saner, LD
Centers: Other Centers, Institutes, or Units > Learning Research & Development Center
Date: 1 January 2005
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: Memory and Cognition
Volume: 33
Number: 8
Page Range: 1377 - 1387
DOI or Unique Handle: 10.3758/bf03193370
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Psychology
Refereed: Yes
ISSN: 0090-502X
Date Deposited: 18 Aug 2014 17:36
Last Modified: 02 Feb 2019 15:56
URI: http://d-scholarship.pitt.edu/id/eprint/22739

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