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Using Rasch rating scale model to reassess the psychometric properties of the Persian version of the PedsQL(TM )4.0 Generic Core Scales in school children
BACKGROUND: Item response theory (IRT) is extensively used to develop adaptive instruments of health-related quality of life (HRQoL). However, each IRT model has its own function to estimate item and category parameters, and hence different results may be found using the same response categories wit...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3353856/ https://www.ncbi.nlm.nih.gov/pubmed/22414135 http://dx.doi.org/10.1186/1477-7525-10-27 |