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Lockwood, J. R.; Castellano, Katherine E. – Educational and Psychological Measurement, 2017
Student Growth Percentiles (SGPs) increasingly are being used in the United States for inferences about student achievement growth and educator effectiveness. Emerging research has indicated that SGPs estimated from observed test scores have large measurement errors. As such, little is known about "true" SGPs, which are defined in terms…
Descriptors: Item Response Theory, Correlation, Student Characteristics, Academic Achievement
Springer, Matthew G.; Hamilton, Laura; McCaffrey, Daniel F.; Ballou, Dale; Le, Vi-Nhuan; Pepper, Matthew; Lockwood, J. R.; Stecher, Brian M. – National Center on Performance Incentives, 2010
In an effort to explore the impact of performance incentives in education, the National Center on Performance Incentives (NCPI) partnered with the Metropolitan Nashville Public Schools (MNPS) to conduct the Project on Incentives in Teaching, or POINT. The study examines the effects on student outcomes of paying eligible teachers bonuses of up to…
Descriptors: Control Groups, Teacher Behavior, Academic Achievement, Program Effectiveness