Applied Behaviour Analysis (ABA) is an evidence-based approach to understanding and improving behaviour. Learn about ABA therapy principles, finding qualified providers in Ontario, what to expect from sessions, and how to access ABA services through the Ontario Autism Program.
A practical breakdown of autism therapy costs in Ontario — ABA, speech therapy, occupational therapy, and more. Plus how OAP funding, insurance, and the DTC offset the costs.
Applied Behaviour Analysis (ABA) is the most evidence-based autism intervention. Learn what it is, how it works, and what to look for in a quality provider.
Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.
Verified Facts
Early Start Denver Model (ESDM) delivered to children aged 18–30 months produced significant gains in IQ, adaptive behaviour, and autism severity — some children no longer met diagnostic criteria at follow-up
Cochrane systematic review finds evidence that early intensive behavioural intervention (EIBI) may produce positive effects on adaptive behaviour and communication for young children with ASD (low certainty of evidence)
WHO recommends accessible, community-based early interventions for children with autism — timely evidence-based psychosocial interventions improve communication and social engagement
88,175, children are registered in the Ontario Autism Program
23.4%, Only 20,666 children have active funding agreements () — less than one in four