Differential item functioning of the Geriatric Depression Scale in an Asian population.
Citation
Broekman BF, Nyunt SZ, Niti M, Jin AZ, Ko SM, Kumar R, Fones CS, Ng TP.Differential item functioning of the Geriatric Depression Scale in an Asian population. J Affect Disord. 2008 Jun;108(3):285-90. Epub 2007 Nov 13.