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Stacy, Brian; Reckase, Mark; Wooldridge, Jeffrey; Guarino, Cassandra – Education Policy Center at Michigan State University, 2013
This paper investigates how the precision and stability of a teacher's value-added estimate relates to the characteristics of the teacher's students. Using a large administrative data set and a variety of teacher value-added estimators, it finds that the stability over time of teacher value-added estimates can depend on the previous achievement…
Descriptors: Teacher Effectiveness, Teacher Competencies, Academic Achievement, Computation
Salvucci, Sameena; And Others – 1995
This technical report provides the results of a study on the calculation and use of generalized variance functions (GVFs) and design effects for the 1990-91 Schools and Staffing Survey (SASS). The SASS is a periodic integrated system of sample surveys conducted by the National Center for Education Statistics (NCES) that produces sampling variances…
Descriptors: Administrators, Computation, Elementary Secondary Education, Error of Measurement