The Autism Spectrum and Developmental Disabilities (ASDD) SIG is committed to highlighting recent findings about children and adults with autism spectrum and related developmental disorders as well as connecting colleagues with shared interests in our field. Our SIG focuses on the intersection of behavioral and cognitive therapy traditions. ASD and other developmental disorders affect millions of individuals in the US and elsewhere. It is the mission of the ASDD SIG to advance efforts to make behavioral and cognitive-behavioral treatments relevant and accessible to affected individuals. The SIG provides a forum for dissemination of relevant basic and clinical research findings, including descriptive outcome studies, the effects of comorbidity, and studies of behavioral and cognitive-behavioral therapy for individuals with autism spectrum and other developmental disorders.