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Gepubliceerd in: Quality of Life Research 9/2013

01-11-2013 | Commentary

Strengthening the assessment of factorial invariance across population subgroups: a commentary on Varni et al. (2013)

Auteur: Cameron N. McIntosh

Gepubliceerd in: Quality of Life Research | Uitgave 9/2013

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Abstract

Objectives

This article provides a commentary in response to “Varni et al. (Qual Life Res. doi:10.​1007/​s11136-013-0370-4, 2013)."

Methods and results

The commentary argues that the approximate model fit indexes commonly used in maximum-likelihood confirmatory factor analysis and factorial invariance testing are seriously flawed, as they overlook potentially serious model misspecifications that could bias parameter estimates and compromise inference.

Conclusions

Flexible and convenient Bayesian estimation approaches are presented that can substantially aid in: (1) resolving commonly encountered specification errors in confirmatory factor models and (2) locating specific measurement parameters that are non-invariant across population subgroups. It is recommended that these methods should be more widely adopted for evaluating the factorial invariance of patient-reported outcome measures and other types of instruments.
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Metagegevens
Titel
Strengthening the assessment of factorial invariance across population subgroups: a commentary on Varni et al. (2013)
Auteur
Cameron N. McIntosh
Publicatiedatum
01-11-2013
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 9/2013
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-013-0465-y

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