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Biases and Power for Groups Comparison on Subjective Health Measurements
Subjective health measurements are increasingly used in clinical research, particularly for patient groups comparisons. Two main types of analytical strategies can be used for such data: so-called classical test theory (CTT), relying on observed scores and models coming from Item Response Theory (IR...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3480365/ https://www.ncbi.nlm.nih.gov/pubmed/23115620 http://dx.doi.org/10.1371/journal.pone.0044695 |