Revista de Matemática: Teoría y Aplicaciones ISSN Impreso: 1409-2433 ISSN electrónico: 2215-3373

OAI: https://revistas.ucr.ac.cr/index.php/matematica/oai
El método Statis como alternativa para detectar "response shift" en estudios de calidad de vida relacionada con la salud
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Keywords

Health Related Quality of Life (HRQoL)
Response Shift
Beta change
Gamma change
Dual Statis method
Calidad de Vida
Response Shift
cambio Beta
cambio Gamma
m´etodo Statis Dual

How to Cite

Vicente Galindo, M. P., & Galindo Villardón, M. P. (2009). El método Statis como alternativa para detectar "response shift" en estudios de calidad de vida relacionada con la salud. Revista De Matemática: Teoría Y Aplicaciones, 16(1), 1–15. https://doi.org/10.15517/rmta.v16i1.1415

Abstract

After evaluating problems in conceptualisation of Quality of Life outcomes and establishing an operational definition of HRQoL, we focus the attention on the different dimensions of Response Shift and the theoretical Models to explaining it. We pay special attention to Schwartz and Sprangers Model.

If Gamma change is present, the construct under assessment is not stable for the patient; so it has no sense to compare scores because if an individual changes conceptualization of QoL over the course of time, then answers to the same items by the same individual may not be as comparable over time as originally thought. So, it is crucial to capture Response Shift before Alpha change is evaluated.

The analytical approaches to assess Response Shift are discussed, paying special attention to the statistical aspects. We found several shortcomings of Ahmavaara’s Method for comparing factorial structures and we have developed some alternatives to capture Beta and Gamma components of Response Shift.

https://doi.org/10.15517/rmta.v16i1.1415
PDF (Español (España))

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