Repetitive behaviors such as excessive straightening are commonly observed among individuals with autism. Attempts to prevent these behaviors may increase the likelihood of other problem behaviors. The present study was designed to assess and treat the excessive straightening and associated destructive behaviors of a 16-year-old boy who had been…

An adolescent with developmental disabilities who used a wheelchair was anecdotally observed to display little aggressive behavior when being pushed, but higher rates when movement was terminated. A functional analysis confirmed the elevated aggression and the child was taught to request movement through appropriate means. Aggression decreased…

This article describes the use of measures of functional assessment of essential activities in self-care, mobility, communication, and social cognition in preschool children. An overview of functional assessment is provided, and psychometric properties of the various tests are described. Case studies illustrate the value of using functional…