Adult Attention Deficit Hyperactivity Disorder (ADHD) is a relatively common, often unrecognized condition. It affects % of U.S. adults, but most adults with ADHD live with the symptoms and suffer the often-devastating effects of ADHD in their lives without identifying the source of their struggles. The Adult ADHD Self-Report Scale (ASRS) Symptom Checklist and scoring system were developed in conjunction with the World Health Organization (WHO),and the Workgroup on Adult ADHD that included the following team of psychiatrists and researchers. This is a screening quiz for adult ADHD which may help you identify aspects of your experience typically associated with ADHD. It is not a diagnostic test. (Please be sure to check the It is not a diagnostic test.