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Putting Growth and Value-Added Models on the Map: A National Overview


"Findings from this study provide a one-stop resource on what each state has in place or in development regarding growth or value-added model use as a key component of its state-based teacher evaluation systems. Despite widespread use, however, not one state has yet articulated a plan for formative data use by teachers. Federal and state leaders seem to assume that implementing growth and value-added models leads to simultaneous data use by teachers. In addition, state representatives expressed concern that the current emphasis on growth and value-added models could be applied to only math and English/language arts teachers with state standardized assessments (approximately 30% of all teachers). While some believe the implementation of the Common Core State Standards and its associated tests will help to alleviate such issues with fairness, more research is needed surrounding (the lack of) fairness and formative use associated with growth and value-added models."