Power and Sample Size Determination in the Rasch Model: Evaluation of the Robustness of a Numerical Method to Non-Normality of the Latent Trait

Patient-reported outcomes (PRO) have gained importance in clinical and epidemiological research and aim at assessing quality of life, anxiety or fatigue for instance. Item Response Theory (IRT) models are increasingly used to validate and analyse PRO. Such models relate observed variables to a laten...

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Detalles Bibliográficos
Autores principales: Guilleux, Alice, Blanchin, Myriam, Hardouin, Jean-Benoit, Sébille, Véronique
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2014
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3888396/
https://www.ncbi.nlm.nih.gov/pubmed/24427276
http://dx.doi.org/10.1371/journal.pone.0083652

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3888396/
https://www.ncbi.nlm.nih.gov/pubmed/24427276
http://dx.doi.org/10.1371/journal.pone.0083652

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