What is a Psychological Assessment... It is a service sought by clients who would like to learn about specific characteristics of their functioning such as vocational potential, character traits, psychological symptoms and others. Vocational Assessments for vocational potential and direction Personality Assessments for stable character traits Clinical Assessments for psychological symptoms Psychological assessments involve the administration of psychological tests that measure the specific characteristics in order to answer specific questions. Psychological tests will measure, for instance, personality traits, intelligence, performance, verbal and cognitive abilities, academic achievement, and psychological symptoms such as anxiety and depression.