In this classic introduction to educational and psychological measurement, Thorndike and Thorndike-Christ provide all of the pertinent information future professionals need to know in order to develop the skills to use test information wisely. Incorporating standard measurement concepts as they apply to both educational and psychological assessments, the new eighth edition continues to provide a technically rigorous treatment of the core issues in measurement in an easy-to-read, easy-to-understand presentation. In preparing students to become independent users of test information, it describes problems in measurement, explains how these problems are approached and solved, surveys a broad range of sources, and provides guidance in how to find, evaluate, and use information about specific tests. The new eighth edition of Measurement and Evaluation in Psychology and Education includes increased coverage of No Child Left Behind, extended coverage of the role of ethics in tests, and a new chapter on advanced topics in testing. Part Two of the book has been reorganized to clarify concepts and the book as a whole has been streamlined and updated to include the most current research and testing information. Intended for use in undergraduate or graduate level introductory courses in psychological and educational measurement, Measurement and Evaluation in Psychology and Education focuses on basic issues in measurement provides a general overview that is not overly specialized.