Abstract
The article presents a theoretical review of the use of Applied Behavior Analysis (ABA) methods for fostering positive behavior in preschool children with Autism Spectrum Disorders (ASD). The purpose of the review is to summarize current theoretical approaches and practical strategies recognized as effective in corrective-pedagogical work with this category of children. The article describes the fundamental principles of ABA, including reinforcement, extinction, and functional behavior analysis, which form the basis of intervention programs. The review analyzes proactive strategies for preventing problematic behavior, methods for teaching alternative skills, and reinforcement systems that consider children’s individual interests and motivation. The article also highlights the prospects for ABA development in Kazakhstan within the framework of inclusive education policy, as well as the need for training certified specialists and developing adapted programs. The findings confirm that ABA is one of the most scientifically grounded and effective approaches for supporting the socialization, learning, and adaptive functioning of preschool children with ASD, ensuring their successful inclusion in educational and social contexts.