The study assessed the effects of a negative practice contingency plus DRO on the self-stimulatory hand-clapping of three developmentally disabled students, aged 6-9. The procedure was effective in suppressing the behavior, and follow-up observations showed that the occurrence of hand-clapping continued to be low. (Author/JDD)

Dealing with the behavioral and academic problems of children with co-occurring learning disabilities and attention-deficit/hyperactivity disorder (AD/HD) can be challenge for educators. One characteristic often associated with AD/HD is an inability to remain engaged in tasks for long periods of time. This lack of attentional focus often results…