Organized according to the sequence mental health professionals follow when conducting an assessment, Groth-Marnat's Handbook of Psychological Assessment, Sixth Edition covers principles of assessment, evaluation, referral, treatment planning, and report writing. Written in a practical, skills-based manner, the Sixth Edition provides guidance on the most efficient methods for selecting and administering tests, interpreting assessment data, how to integrate test scores and develop treatment plans as well as instruction on ways to write effective, client-oriented psychological reports. This text provides through coverage of the most commonly used assessment instruments including the Wechsler Intelligence Scales, Wechsler Memory Scales, Minnesota Multiphasic Personality Inventory, Personality Assessment Inventory, Millon Clinical Multiaxial Inventory, NEO Personality, Rorschach, Thematic Apperception Test, and brief assessment instruments for treatment planning, monitoring, and outcome assessment.