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04-04-2019 | Original Article | Uitgave 6/2020

Psychological Research 6/2020

Intelligence and working memory: evidence from administering the WAIS-IV to Italian adults and elderly

Psychological Research > Uitgave 6/2020
Erika Borella, Lina Pezzuti, Rossana De Beni, Cesare Cornoldi
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The present study took advantage of data collected on more than 2100 Italian adult and elderly individuals during the standardization of the WAIS-IV to examine the relationship between working memory (WM) components and intelligence, and how age affects this relationship. Administering the WAIS-IV enabled us to obtain five different measures for assessing different aspects of WM, and a measure of General Ability (GA) strongly loading on the g-factor. The main results were as follows: (1) age-related impairments in WM are substantial, and they are partly similar and partly different for the various WM measures; (2) the relationship between the WM measures and the General Ability Index (GAI) varies, becoming stronger when the active control required by the WM task is higher; (3) comparing the WM–GAI relationships between different age groups reveals some similar patterns, as well as some specific effects that depend on the WM task considered.

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