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Kappa statistic to measure agreement beyond chance in free-response assessments

BACKGROUND: The usual kappa statistic requires that all observations be enumerated. However, in free-response assessments, only positive (or abnormal) findings are notified, but negative (or normal) findings are not. This situation occurs frequently in imaging or other diagnostic studies. We propose...

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Detalles Bibliográficos
Autores principales: Carpentier, Marc, Combescure, Christophe, Merlini, Laura, Perneger, Thomas V.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5395923/
https://www.ncbi.nlm.nih.gov/pubmed/28420347
http://dx.doi.org/10.1186/s12874-017-0340-6