Practical Psychometrics: A Guide for Test Users

This is the first practitioner-oriented guide to basic psychometrics--the science behind test construction and validation. It can be used as a course text or clinical reference for anyone who needs to select and administer diagnostic tests or review test score data obtained by others. Without assuming any mathematical background, the author describes the fundamentals of diagnostic testing, how to interpret score data, and how specific tests are used in school psychology, special education, ...