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Assessment of Differential Item Functioning in Health-Related Outcomes: A Simulation and Empirical Analysis with Hierarchical Polytomous Data

BACKGROUND: The purpose of this study was to evaluate the effectiveness of two methods of detecting differential item functioning (DIF) in the presence of multilevel data and polytomously scored items. The assessment of DIF with multilevel data (e.g., patients nested within hospitals, hospitals nest...

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Detalles Bibliográficos
Autores principales:	Sharafi, Zahra, Mousavi, Amin, Ayatollahi, Seyyed Mohammad Taghi, Jafari, Peyman
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Hindawi 2017
Materias:	Research Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5613630/ https://www.ncbi.nlm.nih.gov/pubmed/29312463 http://dx.doi.org/10.1155/2017/7571901

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