Quantitative measures are invalid. They are masks for social inequalities. They merely highlight and then reflect economic and racial inequalities. Mel Riddile, “PISA: It’s Still ‘Poverty Not Stupid'”at the blog, “The Principal’s Corner”, found that numerical performance of districts mirrors the scale of economic inequalities of those districts. Statisticians have proven over and over again that the use of value added modeling is logically flawed. NCLB drove the use of value-added modeling (VAM) which negatively transformed the teaching and learning processes in the nation’s schools.
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