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Karr, Chad – 1987
Rasch methodology facilitates effective achievement comparisons to meet evaluation needs at the district, school, classroom, and individual levels. The five-year District Gains Graph developed by the Portland (Oregon) Public Schools charts fall-to-spring achievement gains in basic skills for Grades 3-8, as measured by the Portland Achievement…
Descriptors: Academic Achievement, Achievement Gains, Achievement Rating, Curriculum Evaluation
