• The Children's Global Assessment Scale (CGAS), a measure of overall severity of disturbance, is an adaptation of the Global Assessment Scale for adults. Data obtained on the CGAS during a pilot study in Puerto Rico demonstrate high interrater reliability and both concurrent and discriminant validity. A discriminant function was generated that highly correlates with other measures of impairment. Use of the CGAS can be of heuristic value to complement other methods of diagnostic categorization.
Bird HR, Canino G, Rubio-Stipec M, Ribera JC. Further Measures of the Psychometric Properties of the Children's Global Assessment Scale. Arch Gen Psychiatry. 1987;44(9):821–824. doi:https://doi.org/10.1001/archpsyc.1987.01800210069011
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