Strategy use fully mediates the relationship between working memory capacity and performance on Raven’s matrices.

Abstract : Working memory capacity consistently correlates with fluid intelligence. It has been suggested that this relationship is partly attributable to strategy use: Participants with high working memory capacity would use more effective strategies, in turn leading to higher performance on fluid intelligence tasks. However, this idea has never been directly investigated. In 2 experiments, we tested this hypothesis by directly manipulating strategy use in a combined experimental−correlational approach (Experiment 1; N = 250) and by measuring strategy use with a self-report questionnaire (Experiment 2; N = 93). Inducing all participants to use an effective strategy in Raven’s matrices decreased the correlation between working memory capacity and performance; the strategy use measure fully mediated the relationship between working memory capacity and performance on the matrices task. These findings indicate that individual differences in strategic behavior drive the predictive utility of working memory. We interpret the results within a theoretical framework integrating the multiple mediators of the relationship between working memory capacity and high-level cognition
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Submitted on : Wednesday, March 7, 2018 - 9:01:10 AM
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Corentin Gonthier, Noémylle Thomassin. Strategy use fully mediates the relationship between working memory capacity and performance on Raven’s matrices.. Journal of Experimental Psychology: General, American Psychological Association, 2015, 144 (5), pp.916 - 924. ⟨10.1037/xge0000101⟩. ⟨hal-01725065⟩

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