DADD is committed to enhancing the quality of life of children, youth, and adults with autism, intellectual disability, and/or other developmental disabilities. We are an organization composed to people committed to enhancing the quality of life of children, youth, and adults with autism, intellectual disability, and/or other developmental disabilities. DADD is an organization composed of people committed to enhancing the quality of life of children youth and adults with autism intellectual disability and or other developmental disabilities. DADD seeks to promote and disseminate research-based practice in education thus ensuring the continued advancement of positive educational and life outcomes for people with autism intellectual disability and or other developmental disabilities.