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Bock, R. Darrell; Mislevy, Robert J. – New Directions for Testing and Measurement, 1981
California Assessment Program's application of matrix sampling and item response curve theory to the scaling and reporting of state assessment data is described. It is designed to express educational outcomes in an efficient and interpretable form that is both immediately informative and suited to analysis over extended periods of time.…
Descriptors: Basic Skills, Educational Assessment, Factor Analysis, Item Banks
