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Ross, John A.; Gray, Peter – Alberta Journal of Educational Research, 2008
We examined how much agreement there was between scores from large-scale mandated assessments and report-card grades for 14,776 students in grades 3, 6, and 9 of a district in which conditions were conducive to alignment of assessments. We found significant mean differences between internal and external assessments: effect sizes were 0.29 to 0.63…
Descriptors: Student Evaluation, Grades (Scholastic), Measures (Individuals), Effect Size