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Lai, Emily R.; Wolfe, Edward W.; Vickers, Daisy – Educational and Psychological Measurement, 2015
This report summarizes an empirical study that addresses two related topics within the context of writing assessment--illusory halo and how much unique information is provided by multiple analytic scores. Specifically, we address the issue of whether unique information is provided by analytic scores assigned to student writing, beyond what is…
Descriptors: Writing Tests, Scores, Bias, Holistic Approach