There is convincing evidence that applied behaviour analysis (ABA) offers a highly effective form of intervention for children with autistic spectrum disorder (ASD). There is less evidence, however, about how parents perceive and evaluate ABA programmes. In this paper an examination of parents' perceptions of outcome is reported. Twenty-two…

This evaluative review describes the history of applied behavior analysis in the area of developmental disability and its strengths and weaknesses. Emphasis is placed on the fact that behavior analysis can continue to provide valuable insights into the education and treatment of people with mental retardation. (Author/CR)

A sample of 103 intervention outcome studies was considered to confirm best practices for intervention for challenging behavior in persons with intellectual disability and acquired brain injury and to establish service conditions associated with its effectiveness. Evidence supports the effectiveness of behavioral interventions. Problems with…