A modified operant design demonstrated the effectiveness of the feedback procedure. Significant changes were evidenced by all groups of subjects. Initial results and follow-up observations indicated that the attending behavior of the experimental subjects increased and was maintained, without the use of tangible reinforcers. (Author)

A treatment regimen demands extensive diagnostic work-ups. In most situations where a specific diagnostic finding does not occur, the appropriate treatment will be multitreatment. Drug treatment will continue to predominate, with research emphasis directed toward attempts to predict which children will respond positively to methylphenidate.…