The structure of working memory and how it relates to intelligence in children |
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Authors: | David Giofrè Irene C Mammarella Cesare Cornoldi |
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Institution: | 1. Department of General Psychology, University of Padova, Italy;2. Department of Developmental and Social Psychology, University of Padova, Italy |
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Abstract: | This study explored the structure of working memory, and its relationship with intelligence in 176 typically-developing children in the 4th and 5th grades at school. Different measures of working memory (WM), and intelligence (g) were administered. Confirmatory factor analyses showed that WM involves an attentional control system and storage aspects that rely on domain-specific verbal (STM-V) and visuospatial (STM-VS) resources. The structural equation models showed that WM predicts a large portion (66%) of the variance in g, confirming that the two constructs are separable but closely related in young children. Findings also showed that only WM and STM-VS are significantly related to g, while the contribution of STM-V is moderate. Theoretical implications for the relationship between WM and g are discussed. |
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Keywords: | General cognitive ability Intelligence Working memory WM Short-term memory |
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