Differential item functioning by language on the PROMIS® physical functioning items for children and adolescents.
Ron D HaysJosé Luis CalderónKaren L SpritzerSteve P ReiseSylvia H PazPublished in: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2017)
The results of this study provide support for measurement equivalence of self-reports of physical functioning by children and adolescents who completed the English- and Spanish-language surveys. Future analyses are needed to replicate the results of this study in other samples.