Differential Item Functioning (DIF) in composite health measurement scale: Recommendations for characterizing DIF with meaningful consequences within the Rasch model framework.

Alexandra RouquetteJean-Benoit HardouinAlexis VanhaesebrouckVéronique SébilleJoël Coste
Published in: PloS one (2019)
This work provides the first recommendations on how to deal in practice with the presence of DIF in composite measurement scales used in health research studies.