Early intervention for very young children with or at high likelihood for autism spectrum disorder: An overview of reviews.

Aim: To identify which interventions are supported by evidence and the quality of that evidence in very young children with or at high likelihood for autism spectrum disorder (ASD) to improve child outcomes.

Method: We conducted an overview of reviews to synthesize early intervention literature for very young children with or at high likelihood for ASD. Cochrane guidance on how to perform overviews of reviews was followed.