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Document Number: 3274

Comparability: An Elusive Goal - This article provides a historical description of the federal government’s approach to establishing comparability of student achievement across states. Although comparability is appealing to federal lawmakers, traditionally there have been problems with establishing it – largely because equating and/or linking different state tests is not technically feasible. Achieving interstate comparability is not likely because of how much different tests vary in the content and skills they test, the conditions under which they are administered, and the incentives that are attached to test performance. (J. Herman, E. Baker and R. Linn, CRESST, Spring 2001)...

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