For undergraduate and graduate-level courses in Measurement Assessment in education, psychology, and counseling. This classic introduction to educational and psychological measurement provides a technically rigorous treatment of the core issues in measurement in an easy-to-read and easy-to comprehend way. 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 integrate information about specific tests.