Gibbons L, Crane PK, Mehta KM, Pedraza O, Tang Y, Manly JJ, Narasimhalu K, Teresi J, Jones RN, Mungas D. Multiple, correlated covariates associated with differential item functioning (DIF): Accounting for language DIF when education levels differ across languages. Ageing Res [Internet]. 2011 Apr. 28 [cited 2024 Apr. 30];2(1):e4. Available from: https://www.pagepress.org/journals/ar/article/view/ar.2011.e4