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Use of item response theory to develop a shortened version of the EORTC QLQ-C30 emotional functioning scale.
Bjorner JB, Petersen MA, Groenvold M, Aaronson N, Ahlner-Elmqvist M, Arraras JI, Brédart A, Fayers P, Jordhoy M, Sprangers M, Watson M, Young T; European Organisation for Research and Treatment of Cancer Quality of Life Group. Bjorner JB, et al. Among authors: petersen ma. Qual Life Res. 2004 Dec;13(10):1683-97. doi: 10.1007/s11136-004-7866-x. Qual Life Res. 2004. PMID: 15651539
Item response theory was used to shorten EORTC QLQ-C30 scales for use in palliative care.
Petersen MA, Groenvold M, Aaronson N, Blazeby J, Brandberg Y, de Graeff A, Fayers P, Hammerlid E, Sprangers M, Velikova G, Bjorner JB; European Organisation for Research and Treatment of Cancer Quality of Life Group. Petersen MA, et al. J Clin Epidemiol. 2006 Jan;59(1):36-44. doi: 10.1016/j.jclinepi.2005.04.010. Epub 2005 Sep 12. J Clin Epidemiol. 2006. PMID: 16360559
253 results