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Hedges, Larry V.; Vevea, Jack L. – 2003
A computer simulation study was conducted to investigate the amount of uncertainty added to National Assessment of Educational Progress estimates by equating error under three different equating methods and while varying a number of factors that might affect accuracy of equating. Data from past NAEP administrations were used to guide the…
Descriptors: Computer Simulation, Equated Scores, Error of Measurement, Item Response Theory