Differential Item Functioning (DIF) in the EORTC QLQ-C30: A Comparison of Baseline, On-Treatment and Off-Treatment Data

Scott, Neil W. ; Fayers, Peter M. ; Aaronson, Neil K. ; Bottomley, Andrew ; de Graeff, Alexander ; Groenvold, Mogens ; Gundy, Chad ; Koller, Michael ; Petersen, Morten A. ; Sprangers, Mirjam A. G.

Quality of life research, 2009-04, Vol.18 (3), p.381-388 [Periódico revisado por pares]

Dordrecht: Springer

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