Relationship Development Intervention® (RDI®) Certified Consultant - RDI® is a Third Generation Remediation Process for Austim Occupational Therapy is about participation and performance in everyday life activities Connect and Relate for Autism - www.connectandrelateforautism.com.au Relationship Development Intervention RDI® has been developed to Remediate Information Processing Deficits that are universal but by no means unique to people on the Autism Spectrum