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Direct linkKim, Sooyeon; von Davier, Alina A.; Haberman, Shelby – Journal of Educational Measurement, 2008
This study addressed the sampling error and linking bias that occur with small samples in a nonequivalent groups anchor test design. We proposed a linking method called the synthetic function, which is a weighted average of the identity function and a traditional equating function (in this case, the chained linear equating function). Specifically,…
Descriptors: Equated Scores, Sample Size, Test Reliability, Comparative Analysis
