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Download full textWei, Youhua; Qu, Yanxuan – ETS Research Report Series, 2014
For a testing program with frequent administrations, it is important to understand and monitor the stability and fluctuation of test performance across administrations. Different methods have been proposed for this purpose. This study explored the potential of using multilevel analysis to understand and monitor examinees' test performance across…
Descriptors: Testing, Hierarchical Linear Modeling, Scores, Background
