Individuals with intellectual and developmental disabilities are often prescribed psychotropic medication to treat behaviors such as aggression and self-injury. Evaluation of these medications is often based on caregiver report or changes in frequency of behavior. The purpose of this research was to characterize the rate and function of problem…

The author found it very satisfying to reread "Toward a technology of 'nonaversive' behavioral support," written in 1990 by Rob Horner and seven of his colleagues. Their predictions of the critical themes for advancing positive behavior support (PBS) ring true. Fifteen years have passed since the publication of this article, and much has happened…

This paper reviews evidence of the success of behavior intervention approaches which teach students with challenging behaviors alternative functional communication behaviors. Research supporting the view that challenging behavior is a form of nonverbal communication is reviewed, noting the importance of identifying what such individuals are…