Generality and modifiability of working memory among skilled and less skilled readers

This study investigates whether individual differences in working memory are related to a general system and whether the predictability of working memory to academic achievement is enhanced under dynamic testing conditions. Experiment 1 correlated 11 working memory tasks with shortterm memory and achievement measures. Convergent and discriminant validity for the working memory measures was established. Although a confirmatory factor analysis supported the notion that the working memory tasks reflect 2 operations, these operations produced similar correlational patterns to achievement. Experiment 2 supported a 2-factor model under dynamic testing procedures, and those procedures contribute significant variance to reading performance

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