This project studied the factor structure of the Behavior Problem Checklist, determined the extent to which factors generated from children in regular classrooms approximated those from children in special education, and examined the effects of class placement, sex, and the interaction of these variables on the average rating children receive.…

Adolescent girls, identified as either educable mentally retarded, behaviorally disordered, learning disabled, or nonhandicapped, were rated by their teachers on the Behavior Problem Checklist. Behaviorally disordered students showed a greater degree of maladjustment. Implications for further research and special educational practices are…