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On the effect of adding clinical samples to validation studies of patient-reported outcome item banks: a simulation study
PURPOSE: To increase the precision of estimated item parameters of item response theory models for patient-reported outcomes, general population samples are often enriched with samples of clinical respondents. Calibration studies provide little information on how this sampling scheme is incorporated...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Springer International Publishing
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4893367/ https://www.ncbi.nlm.nih.gov/pubmed/26646807 http://dx.doi.org/10.1007/s11136-015-1199-9 |