This handbook addresses evidence-based training practices for individuals providing applied behavior analysis (ABA) interventions for individuals on the autism spectrum. It provides specific examples of interventions across various contexts and skills and addresses the importance of effective and efficient training as it relates to ABA-based interventions for individuals on the autism spectrum. Additional areas of coverage include, but are not limited to, staffing, clinical judgment, shaping, mealtime interventions, qualities of effective trainers and developing effective training systems. Key areas of coverage include:• Training versus mentorship. • Developing systems and contingencies related to training within an organization. • Ensuring a common vocabulary with trainers and trainees. • Development of clinical judgment. • Cultural considerations within training. The Clinical Handbook of Autism Intervention Training is a must-have resource for clinicians, therapists, and other practitioners and professionals as well as researchers, professors, and graduate students across such interrelated disciplines as clinical child, school, and developmental psychology, child and adolescent psychiatry, clinical social work, public health, rehabilitation medicine/physical and occupational therapy, special education, pediatrics, and neurology.