Global Mental Status Screener - Older Children and Adolescents A clinician-assessed rating of psychological and social functioning in children ages six to seventeen that was developed by Shaffer et al. in 1983. The numerical scale, which is an adaptation of the adult Global Assessment Scale (GAS) developed by Endicott et al in 1976, is scored from 0 to 100 based on behaviors and life situations that are applicable to children. SCDO:1000334 CGAS NCIT:C155932 Children’s Global Assessment Scale (CGAS) PhenX protocol: Global Mental Status Screener - Older Children and Adolescents #130703 Sufficient Children’s Global Assessment Scale Global Mental Status Screener