Disruptive behavior problems frequently emerge in the preschool years and are associated with numerous, long-term negative outcomes, including comorbid disorders. First Step is a psychosocial early intervention with substantial empirical evidence supporting its efficacy among young children. The present study reports on a validation study of the…

The transition of young children with autism from early intervention to school needs to be carefully managed in order to maintain intervention gains, protect against the risk of child-and-family anxiety, and enable a successful start to formal education. While many North American studies have mapped high-intensity practices for transitioning…