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Harris, Douglas N.; Liu, Lihan; Barrett, Nathan; Li, Ruoxi – Brookings Institution, 2020
High school graduation rates have increased dramatically in the past two decades. Some skepticism has arisen, however, because of the confluence of the graduation rise and the starts of high-stakes accountability for graduation rates with "No Child Left Behind" (NCLB). In this study we provide some of the first evidence about the role of…
Descriptors: Graduation Rate, Accountability, Human Capital, Educational Legislation
Harris, Douglas N. – Phi Delta Kappan, 2010
Current value-added models for teacher accountability are better than models based only on student achievement, but they have their weakness. They are subject to systematic and random error, as are all measures, and there are concerns about the tests used for the measurements. However, value-added models are better than the alternatives at the…
Descriptors: School Effectiveness, Error of Measurement, Achievement Gains, Academic Achievement