A 3-year follow-up of aggressive and withdrawn behavior in childhood: preliminary findings
Child behavior disorders by age and sex based on item factoring of the revised Bristol Guides
Childhood aggression and social adjustment as antecedents of delinquency
Effects of methylphenidate (Ritalin) on information processing in hyperactive children
Hyperactive behavior in English schoolchildren: a questionnaire survey
Predicting school performance of preschool children from parent reports