A Dynamic Investigation of Cognitive Dedifferentiation with Control for Retest: Evidence from the Swiss Interdisciplinary Longitudinal Study on the Oldest Old

Ghisletta, Paolo; De Ribaupierre, Anik

doi:10.1037/0882-7974.20.4.671

Scientific article

English

A Dynamic Investigation of Cognitive Dedifferentiation with Control for Retest: Evidence from the Swiss Interdisciplinary Longitudinal Study on the Oldest Old

Contributors

Ghisletta, Paolo

; De Ribaupierre, Anik

Published in

Psychology and aging, vol. 20, p. 671-682

Publication date

2005

Abstract

Empirical examinations of the hypothesis of dedifferentiation of cognitive abilities in old and very old age (a) do not account for possible retest effects, which consequently may yield biased estimates of age effects, and (b) focus on time-independent relations (e.g., number of latent constructs, correlations between latent or measured variables). The authors applied a structural equation model with statistical control for retest effects to investigate the dynamic relations between a marker of perceptual speed (cross out) and a marker of verbal fluency (category-fruits). Longitudinal data are from 5 waves of the Swiss Interdisciplinary Longitudinal Study on the Oldest Old (N = 377, baseline age range = 79.5–84.5 years). The authors found that, independently of retest effects, performance on the cross-out task affected changes in performance on the category task while the opposite did not hold true. This analytical technique could be applied to various markers of broad fluid-mechanic and broad crystallized-pragmatic components of cognition.

Keywords

Cognition
Etude longitudinale
Lifespan
Swilsoo

UNIGE affiliation entities

Citation (ISO format)

GHISLETTA, Paolo, DE RIBAUPIERRE, Anik. A Dynamic Investigation of Cognitive Dedifferentiation with Control for Retest: Evidence from the Swiss Interdisciplinary Longitudinal Study on the Oldest Old. In: Psychology and aging, 2005, vol. 20, p. 671–682. doi: 10.1037/0882-7974.20.4.671

Article (Published version)

Identifiers

PID : unige:1582
DOI : 10.1037/0882-7974.20.4.671

Journal ISSN

0882-7974

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13/05/2009 12:08:57

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13/05/2009 12:08:57

Update

14/03/2023 15:05:01

Status update

14/03/2023 15:05:01

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29/10/2024 11:32:29

A Dynamic Investigation of Cognitive Dedifferentiation with Control for Retest: Evidence from the Swiss Interdisciplinary Longitudinal Study on the Oldest Old

Contributors

Published in

Publication date

Abstract

Keywords

UNIGE affiliation entities

Citation (ISO format)

Main files (1)

Identifiers

Journal ISSN

Technical informations

Creation

First validation

Update

Status update

Last indexation