Differential item functioning (DIF) in the EORTC QLQ-C30: a comparison of baseline, on-treatment and off-treatment data
Titel:
Differential item functioning (DIF) in the EORTC QLQ-C30: a comparison of baseline, on-treatment and off-treatment data
Auteur:
Scott, Neil W. Fayers, Peter M. Aaronson, Neil K. Bottomley, Andrew Graeff, Alexander de Groenvold, Mogens Gundy, Chad Koller, Michael Petersen, Morten A. Sprangers, Mirjam A. G.