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Direct linkWillse, John T.; Goodman, Joshua T. – Educational and Psychological Measurement, 2008
This research provides a direct comparison of effect size estimates based on structural equation modeling (SEM), item response theory (IRT), and raw scores. Differences between the SEM, IRT, and raw score approaches are examined under a variety of data conditions (IRT models underlying the data, test lengths, magnitude of group differences, and…
Descriptors: Test Length, Structural Equation Models, Effect Size, Raw Scores
Download full textPennsylvania Department of Education, 2010
This handbook describes the responsibilities of district and school assessment coordinators in the administration of the Pennsylvania System of School Assessment (PSSA). This updated guidebook contains the following sections: (1) General Assessment Guidelines for All Assessments; (2) Writing Specific Guidelines; (3) Reading and Mathematics…
Descriptors: Guidelines, Guides, Educational Assessment, Writing Tests
