There is little research on the functional assessment and treatment of anxiety and related problem behavior in children with autism spectrum disorder (ASD), particularly those with intellectual and developmental disability (IDD). In a recent study, we evaluated a multimethod strategy for assessing anxiety in children with ASD and IDD ("Am J…

The present study used a context-based model of assessment and intervention to explore whether interventions that modify context result in reduction of problem behavior in ecologically valid settings (i.e., typical routines implemented by typical education personnel in neighborhood schools). The Contextual Assessment Inventory (CAI) and a…