Giesinger, Johannes M.Kieffer, Jacobien M.Fayers, PeterGroenvold, MogensPetersen, Morten Aa.Scott, Neil W.Sprangers, Mirjam A. G.Velikova, GalinaAaronson, Neil K.2015-12-232015-12-232016-01Giesinger, J M, Kieffer, J M, Fayers, P, Groenvold, M, Petersen, M A, Scott, N W, Sprangers, M A G, Velikova, G & Aaronson, N K 2016, 'Replication and validation of higher order models demonstrated that a summary score for the EORTC QLQ-C30 is robust', Journal of Clinical Epidemiology, vol. 69, pp. 79-88. https://doi.org/10.1016/j.jclinepi.2015.08.0070895-4356ORCID: /0000-0002-8067-9660/work/62170819http://hdl.handle.net/2164/5314The authors would like to express their gratitude to many individuals who provided the data used in these analyses, and to Chad Gundy (deceased) who played a key role in the design and execution of the original study investigating the higher order scale structure of the QLQ-C30. Funding: The work of J.M.G. was supported by a grant from the Austrian Science Fund (FWF J3353).10580217engSDG 3 - Good Health and Well-beinghealth-related quality of lifequestionnairesEORTC QLQ-C30measurement modelhigher order factor scoresconfirmatory factor analysisR MedicineRJournal article10.1016/j.jclinepi.2015.08.00769