Assessment of differential item functioning of the PHQ-9, HADS-D and PROMIS-depression scales in persons with and without multiple sclerosis
Titel:
Assessment of differential item functioning of the PHQ-9, HADS-D and PROMIS-depression scales in persons with and without multiple sclerosis
Auteur:
Marrie, Ruth Ann Lix, Lisa M. Bolton, James M. Fisk, John D. Fitzgerald, Kathryn C. Graff, Lesley A. Hitchon, Carol A. Kowalec, Kaarina Marriott, James J. Patten, Scott B. Salter, Amber Bernstein, Charles N.