selected measures from the

The Discriminant Equation (DE) represents a recently developed system for screening nemopsychological bnormality in older children. The DE was sub-jected to cross-validation on a sample of 82 child and adolescent psychiatric patients referred for a comprehensive n uropsychological assessment. An overall hit rate of 79.3 % correct classification was found which supported the validity of the DE in predicting neuropsychological impairment. The findings are discussed in relation to population characteristics and the nature of the criterion to be predicted as they may affect the application of neuropsychological screening procedures. Tramontana and Boyd (1986) have reported a psychometrically-based sys-tem for screening neuropsychological abnormality in child psychiatric pa-tients. The availability of an efficient and valid screening procedure is par-ticularly important with referrals of this kind because previous research has identified low to moderate base rates of neuropsychological impairment which often can go undetected within this broadly defined population (Tra-montana, Sherrets, & Golden, 1980; Tramontana & Sherrets, 1985). The system utilizes a discriminant equation (DE) which incorporate