The Science of Measurement
A Complete Guide to Psychometric Theory and Practice
Picture yourself confidently designing assessments that truly capture what you intend to measure, interpreting statistical results with precision, and making data-driven decisions that stand up to scrutiny. Whether you're developing educational tests, personality inventories, or research instruments, you'll have the expertise to create measurements that are both scientifically sound and practically useful. This comprehensive guide takes you deep into the mathematical foundations and practical applications of psychometrics. You'll master the statistical techniques that separate amateur measurement from professional-grade assessment, learning to evaluate reliability, establish validity, and detect bias in your instruments. From Classical Test Theory to modern Item Response Theory, you'll understand not just the formulas, but the reasoning behind them. You'll discover how to use factor analysis to uncover hidden structures in your data, apply generalizability theory to optimize your measurement designs, and leverage cutting-edge computational methods to extract maximum insight from your assessments. Real-world examples and step-by-step applications show you how these concepts work in practice, while detailed explanations of statistical software help you implement these techniques immediately. By the end, you'll possess the analytical skills and theoretical knowledge to create, evaluate, and improve any type of psychological or educational measurement. You'll think like a measurement scientist, approaching assessment challenges with both mathematical rigor and practical wisdom.
Est. Length
300 pages (15 chapters)
Language
English
Publication date
Oct 9, 2025
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