Fluid intelligence, working memory and executive functioning.

Full Abstract

The causes underlying the correlation between working memory and fluid intelligence remain unknown. There are some researchers who argue that the answer can be found on the presumed executive component of working memory. However, the available empirical evidence is far from conclusive. The present study tested a sample of 229 participants. Intelligence, working memory, and executive functioning were measured by one analytic reasoning test (TRASI), a dual task combining a primary task of deductive reasoning with a secondary task of counting, and the Tower of Hanoi task, respectively. All the 3 measures were computer administered. The results indicate that the shared variance between executive functioning and working memory do not account for the relationship between intelligence and working memory. Some theoretical implications are discussed.

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Author information

Author/s: Colom, Roberto (R); Rubio, Víctor J (VJ); Shih, Pei Chun (PC); Santacreu, José (J);

Affiliation: Faculty of Psychology, Universidad Autónoma de Madrid, 28049 Madrid, Spain. roberto.colom(-atsign-)uam.es

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Psicothema (Psicothema), published in Spain. (Language: eng)

Reference: 2006-Nov; vol 18 (issue 4) : pp 816-21

Dates: Created 2007/02/13; Completed 2007/03/23;

PMID: 17296123, status: MEDLINE (last retrieval date: 12/26/2008)

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