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Dadey, Nathan; Briggs, Derek C. – Practical Assessment, Research & Evaluation, 2012
A vertical scale, in principle, provides a common metric across tests with differing difficulties (e.g., spanning multiple grades) so that statements of "absolute" growth can be made. This paper compares 16 states' 2007-2008 effect size growth trends on vertically scaled reading and math assessments across grades 3 to 8. Two patterns…
Descriptors: Meta Analysis, Scaling, Effect Size, Reading Tests
Greene, Jay P.; Winters, Marcus A.; Forster, Greg – 2003
Many states have implemented high-stakes testing since the enactment of the No Child Left Behind Act of 2001. Yet the question remains whether high-stakes tests effectively measure student proficiency. This report describes a study that compared results on high-stakes tests with results on other standardized tests not used for accountability…
Descriptors: Academic Achievement, Accountability, Achievement Gains, Educational Assessment