Adhd Assessments Adhd tests are essential to determine the proper diagnosis and treatment. These tests include Neuropsychological, Emotional, and structured clinical components. T.O.V.A assessment The Test of Variables of Attention assessment (TOVA) is a computer-based test that is based on time and can be used in the diagnosis of attention http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1511198