Covering principles of assessment, evaluation, referral, treatment planning, and report writing, the latest edition of Gary Groth-Marnat's landmark Handbook of Psychological Assessment has been thoroughly revised and expanded. Written in a practical, skills-based manner, this classic resource offers coverage of the most widely used assessment instruments and has been updated to include new material and cover tests that are growing in popularity, such as brief assessment instruments. Handbook of Psychological Assessment also provides guidance on the most efficient methods for selecting and administering tests, how to interpret assessment data, and how to integrate test scores and develop treatment plans as well as instruction on ways in which to write effective, client-oriented, problem-solving psychological reports.