Scott, Neil W2; Fayers, Peter M2; Aaronson, Neil K2; Bottomley, Andrew2; de Graeff, Alexander2; Groenvold, Mogens1; Gundy, Chad2; Koller, Michael2; Petersen, Morten A1; Sprangers, Mirjam A G2
1 Palliativ Medicinsk Afdeling, Bispebjerg and Frederiksberg Hospital, The Capital Region of Denmark2 unknown
Differential item functioning (DIF) analyses are commonly used to evaluate health-related quality of life (HRQoL) instruments. There is, however, a lack of consensus as to how to assess the practical impact of statistically significant DIF results.
Quality of Life Research, 2009, Vol 18, Issue 8, p. 1125-30
Journal Article; Clinical Trials as Topic; Communication; Fatigue; Health Status Indicators; Humans; Internationality; Logistic Models; Models, Statistical; Norway; Odds Ratio; Psychometrics; Quality of Life