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Intraindividual variability and level of performance in four visuo-spatial working memory tasks

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Published in Swiss Journal of Psychology. 2004, vol. 63, no. 4, p. 261-272
Abstract Intraindividual variability and level of performance in accuracy of four visuo-spatial working memory tasks were examined in sixty-two young adults. The objective was to study the relationships between intraindividual variability and level of performance and to assess whether intraindividual variability is a useful marker of cognitive functioning. Correlational and factor analyses were performed. Confirmatory factor analyses rejected a two-factor representation, with a first factor representing level of performance and a second factor representing intraindividual variability. The best fitting model specified one factor per task and estimated significant within-task correlations of intraindividual variability residual scores. Overall, these findings are consistent with the view that performance variability provides valuable information independent of level of performance and different from noise.
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Research group Groupe de recherches A. De Ribaupierre
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LECERF, Thierry, GHISLETTA, Paolo, JOUFFRAY, Céline. Intraindividual variability and level of performance in four visuo-spatial working memory tasks. In: Swiss Journal of Psychology, 2004, vol. 63, n° 4, p. 261-272. https://archive-ouverte.unige.ch/unige:5235

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Deposited on : 2010-02-18

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