Working Memory and Intelligence: The Same or Different Constructs?

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 i...

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Veröffentlicht in:Psychological bulletin 2005-01, Vol.131 (1), p.30-60
Hauptverfasser: Ackerman, Phillip L, Beier, Margaret E, Boyle, Mary O
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container_title Psychological bulletin
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creator Ackerman, Phillip L
Beier, Margaret E
Boyle, Mary O
description 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 ( =.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.
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source Applied Social Sciences Index & Abstracts (ASSIA); MEDLINE; EBSCOhost APA PsycARTICLES
subjects Aged
Child
Cognition & reasoning
Correlation
Female
General factor
Human
Human Information Storage
Humans
Individual Differences
Intelligence
Intelligence Tests
Male
Measures (Individuals)
Memory
Meta Analysis
Psychological Theory
Psychology
Psychometrics
Scores
Short Term Memory
Systematic review
Working memory
title Working Memory and Intelligence: The Same or Different Constructs?
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