AbstractTo comprehensively frame the Early Start Denver Model (ESDM) and the Applied Behavior Analysis (ABA), it is necessary to start from the analysis of the pivotal context of application of the two methods, the autism spectrum disorder, and its areas of impairment. ESDM is a behavioral conditioning program that involves early management of the autistic child, which can begin in the age group between 12 and 36 months and can last up to 48-60 months of the infant's life. ABA is a method that involves the practical application of the principles that study human behavior and the strategies and techniques by which it can be conditioned. There is a need for early care of autistic pupils, as early as nursery and kindergarten, and the application of the principles of the ESDM method first and the ABA method, from 48-60 months of life onwards, to achieve educational success and outline new inclusive horizons
