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Wendt, Heike; Bos, Wilfried; Goy, Martin – Educational Research and Evaluation, 2011
Several current international comparative large-scale assessments of educational achievement (ICLSA) make use of "Rasch models", to address functions essential for valid cross-cultural comparisons. From a historical perspective, ICLSA and Georg Rasch's "models for measurement" emerged at about the same time, half a century ago. However, the…
Descriptors: Measures (Individuals), Test Theory, Group Testing, Educational Testing
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Engelhard, George, Jr. – Educational and Psychological Measurement, 1992
A historical perspective is provided of the concept of invariance in measurement theory, describing sample-invariant item calibration and item-invariant measurement of individuals. Invariance as a key measurement concept is illustrated through the measurement theories of E. L. Thorndike, L. L. Thurstone, and G. Rasch. (SLD)
Descriptors: Behavioral Sciences, Educational History, Measurement Techniques, Psychometrics