Psychological Assessment (Jun 7, 2018): No Pagination Specified. There has been growing interest in studying attention-deficit/hyperactivity disorder (ADHD) in adulthood as a result of research indicating that ADHD often persists into adulthood and frequently is comorbid with other psychiatric disorders. Adult ADHD symptoms are most commonly assessed via self-report, but prior research examining the structure of self-reported adult ADHD symptoms has yielded discrepant results.. To read the full article, log in using your NHS OpenAthens details.