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Title: Efficiency of arithmetic procedures modulates the problem-size effect in subtraction
Author: Núñez Peña, María Isabel
Colomé, Àngels
Tubau Sala, Elisabet
Keywords: Psicologia social
Social psychology
Issue Date: 19-Jun-2015
Publisher: Universidad Complutense de Madrid
Abstract: The aim of this study was to examine whether differences in strategy selection and/or strategy efficiency can explain the modulation of the problem-size effect by arithmetic skill. More specifically, we wondered whether arithmetic skill increases the use of retrieval strategy in large problems, and/or enhances the efficiency of either retrieval or procedural strategies. The performance of highly-skilled (HS) and less highly-skilled (LS) individuals on a subtraction verification task was analyzed according to problem size and to the strategy reported on a trial-by-trial basis after each problem. The problem size effect was larger for LS individuals than for their HS peers, both in response time and in hit rate. Nevertheless, groups did not differ regarding the strategy reported for each subtraction size. As expected, problems in which retrieval strategy was reported were solved more quickly and more accurately than problems solved by procedural strategies. Responses using retrieval strategy were equally fast in the two groups, but HS individuals performed better than LS when using procedural strategies. The results therefore suggest that the differences in behavioral measures between groups might specifically be due to differences in the efficiency of procedural strategies
Note: Versió postprint del document publicat a:
It is part of: Spanish Journal of Psychology, 2015, vol. 18, p. E41-E51
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ISSN: 1138-7416
Appears in Collections:Articles publicats en revistes (Cognició, Desenvolupament i Psicologia de l'Educació)
Articles publicats en revistes (Psicologia Social i Psicologia Quantitativa)

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