ADHD Assessment - Is it Right For You? A private assessment could take up to two hours and includes a clinical interview with an expert in ADHD. It is helpful to bring an adult family member or friend for support, but it's not required. The complete psychiatric past is assessed https://zanderpttsr.blogitright.com/29954466/adhd-assessment-uk-private-s-history-history-of-adhd-assessment-uk-private