American Academy of Pediatrics: Clinical Practice Guideline for the Diagnosis, Evaluation, and Treatment of Attention-Deficit / Hyperactivity Disorder in Children and Adolescents (2019) National Institute for Children 's Health Quality: Vanderbilt Assessment Scale (used for diagnosing ADHD) Attention Deficit Disorder Association (ADDA): An organization providing resources for adults with ADHD Children and Adults with Attention-Deficit / Hyperactivity Disorder (CHADD): An organization providing educational, support, and treatment resources for all people with ADHD Learning Disabilities Association of America (LDA): An organization providing educational, support, and advocacy resources for people with learning disabilities