Synthesizes numerous research studies and findings on assessment and diagnosis of autism spectrum disorder (ASD)

Addresses the history and use of clinical observation as well as how assessments have grown increasingly structured and specialized

Examines multiple disorders often comorbid with autism, including ADHD, anxiety, depression, and sleep problems

Explores the implications of DSM-5 and ICD-11 on treating autism​

Johnny L. Matson, Ph.D., is Professor and Distinguished Research Master in the Department of Psychology at Louisiana State University, Baton Rouge, LA, U.S.A. He has also previously held a professorship in psychiatry and clinical psychology at the University of Pittsburgh. He is the author of more than 800 publications including 41 books. He also serves as Founding Editor-in-Chief of three journals; Research in Developmental Disabilities (Elsevier), Research in Autism Spectrum Disorders (Elsevier), and Review Journal of Autism and Developmental Disorders (Springer).