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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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Detalhes bibliográficos
Publicado no:Comput Math Methods Med
Main Authors: Sharafi, Zahra, Mousavi, Amin, Ayatollahi, Seyyed Mohammad Taghi, Jafari, Peyman
Formato: Artigo
Idioma:Inglês
Publicado em: Hindawi 2017
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5613630/
https://ncbi.nlm.nih.gov/pubmed/29312463
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1155/2017/7571901
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