Vertical Scaling and No Child Left Behind
The chapters by Harris (Chapter 13) and by Patz and Yao (Chapter 14) are quite different examinations of vertical scaling issues. The Harris chapter surveys practical issues related to implementing vertical scales, and the Patz and Yao chapter primarily studies the complex technical issue of using multidimensional item response theory models with vertical scaling. Given the great differences between these chapters, it is difficult to provide an integrated discussion of them.
KeywordsItem Response Theory Vertical Scale Test Level Vertical Scaling Adequate Yearly Progress
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