Background: Changes in reward processing are thought to be involved in the etiology of attention-deficit/hyperactivity disorder (ADHD), as well as other developmental disorders. In addition, different forms of therapy for ADHD rely on reinforcement principles. As such, improved understanding of reward processing in ADHD could eventually lead to…

During a major population study of adolescent functioning, pupils from four comprehensive schools were used to compare validity of several screening measures in this age group. Showed that screening instruments tended to be behavior specific and that antisocial and neurotic behavior were relatively sex specific. (Author)

Contrasts a child not ready for school with a child who is developmentally prepared to enter school and argues that if all school systems could administer and interpret the results of a developmental examination, the number of unhappy children, special needs children, and grade overplaced children would be greatly reduced. (HOD)

This study of handicapped and non-handicapped preschool and early elementary school children and their older normal siblings was designed to determine (1) the intercorrelation of parent and teacher ratings of the child's academic competence and social adjustment, and (2) the correlations of mother, father and teacher ratings with the child's…