ADHD Assessment - Is it Right For You? A private assessment could take up to two hours and involves a detailed clinical interview with an ADHD specialist. It is helpful to bring along a family member or friend for support, but it's not necessary. A complete psychiatric record is taken https://archeroggyn.blogoscience.com/35461415/the-ultimate-glossary-for-terms-related-to-adhd-diagnosis-private-uk