Dr. Hersen has gathered in this unprecedented 4--volume work the leading resaerchers and clinicians in psychological assessment. This groundbreaking reference presents essential information on the four major classes of psychological assessment instruments, including intelligence/neuropsychological, personality (both objective and projective), behavioral, and industrial/organizational. Each volume contains information on the history of the specific branch of testing, the range of tests, theoretical considerations, psychometric concerns, range of populations, cross--cultural factors, use with people with disabilities, legal/ethical considerations, computerization, and future development. Individual chapters consider these topics as they relate to specific instruments. As a result these volumes are indispensable for clincians practicing in these areas as well as library collections.