• Journal Article

Item response theory detected differential item functioning between healthy and ill children in quality-of-life measures

Citation

Langer, M. M., Hill, C. D., Thissen, D., Burwinkle, T. M., Varni, J. W., & Dewalt, D. A. (2008). Item response theory detected differential item functioning between healthy and ill children in quality-of-life measures. Journal of Clinical Epidemiology, 61(3), 268-276.

Abstract