The book discusses different aspects of measurement and assessment including the psychological interview and psychological test along with the role ethics can play among such a process. It is of importance when developing a new measure to incorporate one's knowledge of statistics. The question of utility in diagnosis arises and of the utility of psychometrics and cultural competence to a test. A career/business assessment occurs along with an assessment of learning disability. An in-depth discussion occurs of the cognitive affective processing system (CAPS). The purpose of the book is to demonstrate the many functions, factors, and implements involved in the process of measurement and assessment.