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Field trial of the Global Assessment of Functioning Scale--Modified
1College of Social Work, University of Tennessee, Knoxville 37996-3333, USA.
Objective:
A field trial of the Global Assessment of Functioning Scale--Modified was conducted to test its construct validity. A slightly altered form of the scale, the Social and Occupational Functioning Assessment Scale, was used in DSM-IV.
Method:
Social, occupational, and clinical data on 196 subjects receiving outpatient mental health services were analyzed.
Results:
Six significant predictors were found that accounted for 51.75% of the variation in scores on the Global Assessment of Functioning Scale--Modified. Scores were independent of axis I, axis II, and psychoactive substance dependence diagnoses from DSM-III-R.
Conclusions:
The construct validity of the Global Assessment of Functioning Scale--Modified and the Social and Occupational Functioning Assessment Scale is supported by these findings.