ADHD Assessment - Is it Right For You? A private assessment could take between 2 and 3 hours and includes a clinical interview with a specialist in ADHD. It is helpful to bring along a friend or family member for support, but this is not required. A complete psychiatric record https://alexisfouzc.myparisblog.com/30235813/ten-startups-that-are-set-to-change-the-adhd-assessment-uk-private-industry-for-the-better