Linear Models for Optimal Test Design

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The book delves into the evolution of psychometric methods over four decades, highlighting significant advancements in educational and psychological measurement. It discusses the emergence of criterion-referenced assessment, which prioritizes individual performance against defined knowledge and skills, and contrasts this with traditional norm-referenced approaches. Additionally, the introduction of item response theory (IRT) is examined, showcasing its advantages over classical test theory, particularly in enhancing measurement practices and addressing previous limitations in test development and evaluation.