Analysis of data from the Behaviour Disorder Scale for 405 adults and adolescents with intellectual disability revealed that subjects exhibited a mean of 14 problem behaviors per person. Factor analysis identified two general syndromes (a conduct syndrome and an emotional syndrome), raising the possibility of dealing with sets of problem behaviors…

Seventy-five visually handicapped individuals, aged 9-22, were evaluated on the Child Behavior Checklist, School Behavior Checklist, Behavior Problem Checklist (BPC), and Revised BPC. Total scores from all four measures correlated well with each other; total scores and subfactors also correlated with such psychopathologic behaviors as aggression,…

The domain scores of the Adaptive Behavior Scale were analyzed to investigate the factorial dimensions of problem behaviors of 106 behavior-disordered adolescents and young adults with borderline intelligence. Four major factors were identified: two identified in other studies (functional autonomy and behavior disorder), and two unique to this…