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...

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Main Authors: Jafari, Peyman, Bagheri, Zahra, Ayatollahi, Seyyed Mohamad Taghi, Soltani, Zahra
Formato: Artigo
Idioma:Inglês
Publicado: BioMed Central 2012
Assuntos:
Research
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC3353856/
https://ncbi.nlm.nih.gov/pubmed/22414135
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1477-7525-10-27
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