Foundations of Psychological Testing and Psychometrics

Psychological testing plays a critical role in clinical, educational, and organizational decision-making. To use these assessments effectively, you must understand the mathematical and theoretical frameworks that make them reliable and valid. This text-based course guides you through the core principles of psychometrics, helping you evaluate existing assessments and grasp the mechanics of test construction. You will build a solid foundation in classical test theory and explore contemporary assessment methodologies. What you will learn: 1. Understand the core concepts of reliability, validity, and standard error of measurement. 2. Apply classical test theory to analyze item difficulty and discrimination. 3. Explore modern psychometric frameworks including item response theory and computer adaptive testing. 4. Evaluate the ethical and cultural considerations in standardized psychological testing. 5. Practice interpreting test scores, norms, and standardized profiles through written exercises. 6. Analyze how psychological tests are constructed, standardized, and validated. Starting with fundamental terminology and historical context, you will progress through statistical foundations, reliability models, and modern assessment practices. Each section provides clear written explanations and practical scenarios to solidify your understanding. This course is designed for psychology students, researchers, and aspiring professionals seeking a clear introduction to psychological testing, with no prior advanced statistical background required. Start reading today to master the science behind psychological measurement.