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249 results

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Differential item functioning (DIF) in the EORTC QLQ-C30: a comparison of baseline, on-treatment and off-treatment data.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Gundy C, Koller M, Petersen MA, Sprangers MA; EORTC Quality of Life Group and the Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Qual Life Res. 2009 Apr;18(3):381-8. doi: 10.1007/s11136-009-9453-7. Epub 2009 Feb 27. Qual Life Res. 2009. PMID: 19247808
The practical impact of differential item functioning analyses in a health-related quality of life instrument.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Gundy C, Koller M, Petersen MA, Sprangers MA; EORTC Quality of Life Group; Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Qual Life Res. 2009 Oct;18(8):1125-30. doi: 10.1007/s11136-009-9521-z. Epub 2009 Aug 4. Qual Life Res. 2009. PMID: 19653125
Interpretation of differential item functioning analyses using external review.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Gundy C, Koller M, Petersen MA, Sprangers MA; EORTC Quality of Life Group; Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Expert Rev Pharmacoecon Outcomes Res. 2010 Jun;10(3):253-8. doi: 10.1586/erp.10.22. Expert Rev Pharmacoecon Outcomes Res. 2010. PMID: 20545590 Review.
Differential item functioning (DIF) analyses of health-related quality of life instruments using logistic regression.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Gundy C, Koller M, Petersen MA, Sprangers MA; EORTC Quality of Life Group and the Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Health Qual Life Outcomes. 2010 Aug 4;8:81. doi: 10.1186/1477-7525-8-81. Health Qual Life Outcomes. 2010. PMID: 20684767 Free PMC article.
Comparing higher order models for the EORTC QLQ-C30.
Gundy CM, Fayers PM, Groenvold M, Petersen MA, Scott NW, Sprangers MA, Velikova G, Aaronson NK. Gundy CM, et al. Among authors: fayers pm. Qual Life Res. 2012 Nov;21(9):1607-17. doi: 10.1007/s11136-011-0082-6. Epub 2011 Dec 21. Qual Life Res. 2012. PMID: 22187352 Free PMC article.
Comparing translations of the EORTC QLQ-C30 using differential item functioning analyses.
Scott NW, Fayers PM, Bottomley A, Aaronson NK, de Graeff A, Groenvold M, Koller M, Petersen MA, Sprangers MA; EORTC and the Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Qual Life Res. 2006 Aug;15(6):1103-15; discussion 1117-20. doi: 10.1007/s11136-006-0040-x. Qual Life Res. 2006. PMID: 16900290
The use of differential item functioning analyses to identify cultural differences in responses to the EORTC QLQ-C30.
Scott NW, Fayers PM, Aaronson NK, Bottomley A, de Graeff A, Groenvold M, Koller M, Petersen MA, Sprangers MA; EORTC and the Quality of Life Cross-Cultural Meta-Analysis Group. Scott NW, et al. Among authors: fayers pm. Qual Life Res. 2007 Feb;16(1):115-29. doi: 10.1007/s11136-006-9120-1. Epub 2006 Nov 16. Qual Life Res. 2007. PMID: 17109190
249 results