1. Historical Perspective and Overview, Sam Goldstein 2. Psychometric Issues and Current Scales for Assessing Autism Spectrum Disorder, Jack A. Naglieri, Kimberly M. Chambers, Keith D. McGoldrick, & Sam Goldstein 3. DSM-5 Diagnosis of Autism Spectrum Disorder, Cynthia Martin, Lauren Pepa, & Catherine Lord 4. Assessment and Diagnosis of Infants and Toddlers with Autism Spectrum Disorder, Kelly K. Powell, Perrine Heymann, Katherine D. Tsatsanis, & Katarzyna Chawarska 5. Age-Related Issues in the Assessment of Autism Spectrum Disorder, Susan H. Hedges, Victoria Shea, & Gary B. Mesibov 6. Assessment of Social Behavior in Autism Spectrum Disorder, Ifat Gamliel & Nurit Yirmiya 7. Assessing Speech, Language, and Communication in Autism Spectrum Disorder, Rhea Paul & Kaitlyn P. Wilson 8. Assessment of Intellectual Functioning in Autism Spectrum Disorder, Laura Grofer Klinger, Joanna L. Mussey, & Sarah O'Kelley 9. Clinical Assessment of Neuropsychological Functioning in Autism Spectrum Disorder, Blythe A. Corbett & Yasmeen S. Iqbal 10. Assessment of Comorbid Psychiatric Conditions in Autism Spectrum Disorder, Lesley Deprey & Sally Ozonoff 11. Assessment of Students with Autism Spectrum Disorder in the Schools, Sandra L. Harris, Carolyn Thorwarth Bruey, & Mark Palmieri 12. From Assessment to Intervention, Kerry Hogan & Lee M. Marcus 13. Understanding the Comprehensive Assessment of Autism Spectrum Disorder through Case Studies, Tristyn Teel Wilkerson 14. Distinguishing Science and Pseudoscience in the Assessment and Treatment of Autism Spectrum Disorder, Mary E. McDonald & Florence D. DiGennaro Reed 15. Future Directions in the Assessment and Treatment of Autism Spectrum Disorder, Isaac C. Smith, Cara E. Pugliese, Blythe A. Corbett, & Susan W. White Index