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A Preliminary Psychometric Case Study of the Music in Dementia Assessment Scales: European Portuguese Version (Midas-PT)

Sousa, Lídia; Moura, Bárbara; McDermott, Orii; Fernandes, Lia

Authors

Lídia Sousa

Bárbara Moura

Lia Fernandes



Abstract

Introduction: Music in Dementia Assessment Scales (MiDAS) is a standardized outcome measure aiming to capture the effects of music-based interventions in patients with dementia. It is a unique instrument regarding its specificity, with the potential to enhance research in the field of music in dementia care. The aim of this study was to report a preliminary psychometric study of the translated and adapted instrument to European Portuguese (MiDAS-PT).
Material and Methods: Care home residents with dementia attended bi-weekly group music-based interventions, for five weeks. Intervention coordinators and care home staff completed MiDAS ratings at every session and the Quality-of-Life Scale (QoL-AD) at three time-points. Inter-rater reliability, test-retest reliability, internal consistency, concurrent validity (QoL-AD) and construct validity were evaluated.
Results: A total of 529 forms were completed (staff = 235, therapist = 294). Low therapist inter-rater and test-retest reliability, good internal consistency, low concurrent validity, and good construct validity were found. There were high factor loadings between the five MiDAS items (Interest, Response, Initiation, Involvement, and Enjoyment).
Conclusion: This preliminary investigation indicated acceptable psychometric properties on a range of attributes, but more research is needed in order to definitely establish the psychometric value of the scale.

Journal Article Type Article
Acceptance Date Oct 7, 2022
Online Publication Date Jan 13, 2023
Publication Date 2023-11
Deposit Date Feb 1, 2023
Publicly Available Date Feb 8, 2023
Journal Acta Médica Portuguesa
Electronic ISSN 1646-0758
Publisher Ordem dos Médicos
Peer Reviewed Peer Reviewed
Volume 36
Issue 11
Pages 731-739
DOI https://doi.org/10.20344/amp.18763
Keywords General Medicine
Public URL https://nottingham-repository.worktribe.com/output/16230944
Publisher URL https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/18763

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