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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: Data
came 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: Data
came 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:07 Dec 2017 09:49
Publisher:Oxford University Press
ISSN:1079-5014
Publisher DOI:https://doi.org/10.1093/geronb/gbr101

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