This is the third edition of the classic and comprehensive reference guide to the theory and practice of competency testing in organizations and professions. "Criterion-Referenced Test Development" has been thoroughly revised and updated to address the most recent issues in certification and qualification testing. "Criterion-Referenced Test Development" is designed specifically for training professionals who need to better understand how to develop criterion-referenced tests (CRTs). This important resource offers step-by-step guidance for how to make and defend Level 2 testing decisions, how to write test questions and performance scales that match jobs, and how to show that those certified as "masters" are truly masters. A comprehensive guide to the development and use of CRTs, the book provides information about a variety of topics, including different methods of test interpretations, test construction, item formats, test scoring, reliability and validation methods, test administration, and score reporting, as well as the legal and liability issues surrounding testing. New revisions include: Illustrative real-world examples Issues of test security Advice on the use of test creation software Expanded sections on performance testing Single administration techniques for calculating reliability Updated legal and compliance guidelines The authors have created a very accessible guide with information that is easily grasped and implemented. In addition, the book is filled with relevant exercises that require active responses and reinforce mastery of the principles and procedures.