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Working Memory and Intelligence: The Same or Different Constructs?
Authors:Ackerman, Phillip L.   Beier, Margaret E.   Boyle, Mary O.
Abstract:
Several investigators have claimed over the past decade that working memory (WM) and general intelligence (g) are identical, or nearly identical, constructs, from an individual-differences perspective. Although memory measures are commonly included in intelligence tests, and memory abilities are included in theories of intelligence, the identity between WM and intelligence has not been evaluated comprehensively. The authors conducted a meta-analysis of 86 samples that relate WM to intelligence. The average correlation between true-score estimates of WM and g is substantially less than unity (p? = .479). The authors also focus on the distinction between short-term memory and WM with respect to intelligence with a supplemental meta-analysis. The authors discuss how consideration of psychometric and theoretical perspectives better informs the discussion of WM-intelligence relations. (PsycINFO Database Record (c) 2010 APA, all rights reserved)
Keywords:working memory   general intelligence   memory abilities   short-term memory   individual-differences perspective
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