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Psychometrics Fumiko Samejima (1930–c2021) was a prominent Japanese-born psychometrician best known for her development of the Graded Response Model (GRM), [ 1 ] a fundamental approach in Item Response Theory (IRT).
Psychometrics is a field of study within psychology concerned with the theory and technique of measurement. Psychometrics generally covers specialized fields within psychology and education devoted to testing, measurement, assessment, and related activities. [ 1 ]
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Universal psychometrics encompasses psychometrics instruments that could measure the psychological properties of any intelligent agent. Up until the early 21st century, psychometrics relied heavily on psychological tests that require the subject to corporate and answer questions, the most famous example being an intelligence test .
Psychometrics deals with measurement of psychological attributes. It involves developing and applying statistical models for mental measurements. [2] The measurement theories are divided into two major areas: (1) Classical test theory; (2) Item Response Theory. [3]
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Computational psychometrics studies the computational basis of learning and measurement of traits, such as skills, knowledge, abilities, attitudes, and personality traits via mathematical modeling, intelligent learning and assessment virtual systems, [6] and computer simulation of large-scale, complex data which traditional psychometric ...