A Simulation Study to Assess the Effect of the Number of Response Categories on the Power of Ordinal Logistic Regression for Differential Item Functioning Analysis in Rating Scales

Objective. The present study uses simulated data to find what the optimal number of response categories is to achieve adequate power in ordinal logistic regression (OLR) model for differential item functioning (DIF) analysis in psychometric research. Methods. A hypothetical ten-item quality of life...

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Detalles Bibliográficos
Autores principales: Allahyari, Elahe, Jafari, Peyman, Bagheri, Zahra
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2016
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4925975/
https://www.ncbi.nlm.nih.gov/pubmed/27403207
http://dx.doi.org/10.1155/2016/5080826

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4925975/
https://www.ncbi.nlm.nih.gov/pubmed/27403207
http://dx.doi.org/10.1155/2016/5080826

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