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Stability and change in typical intellectual engagement in old age across 5 years


Mascherek, A; Zimprich, D (2012). Stability and change in typical intellectual engagement in old age across 5 years. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 67B(3):309-316.

Abstract

Objectives: Typical intellectual engagement (TIE) is related to cognitive development across the life span, but the development of TIE itself has not been examined. In the present study, structural change, differential change, absolute change, stability of divergence and the generality of changes in the four TIE-factors Abstract Thinking, Problem Solving, Reading, and Intellectual Curiosity across five years were examined in older adults. Method: Datacame from the Zurich Longitudinal Study on Cognitive Aging. 233 individuals, 73 years on average at first measurement occasion (2005) were reassessed after five years. Confirmatory factor analyses and latent change score models were applied. Results: Factor covariances were equal across time, implying structural stability. Coefficients for differential stability were around .80, implying small significant mean level changes for Problem Solving and Intellectual Curiosity. No changes in divergence emerged. Change correlations between the factors were in the medium to large range. Discussion: Across five years, TIE remained relatively stable on a group-level. However, pronounced interindividual differences emerged. Also, although the changes in factors shared a substantial amount of variance, the development of the factors was not completely parallel.

Abstract

Objectives: Typical intellectual engagement (TIE) is related to cognitive development across the life span, but the development of TIE itself has not been examined. In the present study, structural change, differential change, absolute change, stability of divergence and the generality of changes in the four TIE-factors Abstract Thinking, Problem Solving, Reading, and Intellectual Curiosity across five years were examined in older adults. Method: Datacame from the Zurich Longitudinal Study on Cognitive Aging. 233 individuals, 73 years on average at first measurement occasion (2005) were reassessed after five years. Confirmatory factor analyses and latent change score models were applied. Results: Factor covariances were equal across time, implying structural stability. Coefficients for differential stability were around .80, implying small significant mean level changes for Problem Solving and Intellectual Curiosity. No changes in divergence emerged. Change correlations between the factors were in the medium to large range. Discussion: Across five years, TIE remained relatively stable on a group-level. However, pronounced interindividual differences emerged. Also, although the changes in factors shared a substantial amount of variance, the development of the factors was not completely parallel.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Uncontrolled Keywords:Typical intellectual engagement – old age – longitudinal analyses – interindividual change – intraindividual change
Language:English
Date:2012
Deposited On:25 Nov 2011 09:39
Last Modified:26 Aug 2018 13:27
Publisher:Oxford University Press
ISSN:1079-5014
OA Status:Green
Publisher DOI:https://doi.org/10.1093/geronb/gbr101

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