This paper presents the results of a study of the Mexican Spanish Version o
f the MMPI-2 with a clinical sample of 233 patients who were diagnosed as h
aving psychological disturbances or personality disorders, according to DSM
-III R criteria. Inpatient scores were obtained from four psychiatric hospi
tals, located in Mexico City. The scores of the patients were compared with
those of Mexican college students, which is the largest Mexican normative
sample collected to date, consisting of 813 men and 1,137 women. Results of
this study show that the MMPI-2 can accurately differentiate between norma
l and non-normal groups in Mexican populations and demonstrate that the inv
entory maintains its construct validity in this clinical sample. (C) John W
iley & Sons. Inc.