Providing professionals and parents with clearer understanding of PDA; plus essential strategies for education; management and communication. PDA (pathological demand avoidance) is a behaviour profile within the autism spectrum which affects boys and girls equally. People with PDA need different amounts of support depending on how their condition affects them. Learn more about diagnosis; as well as strategies to help support them at home and in the classroom. Join us to discover the tools and strategies you need to identify and provide targeted support for children and adults who have PDA.