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Direct linkAmrein-Beardsley, Audrey; Geiger, Tray – SAGE Open, 2020
The Education Value-Added Assessment System (EVAAS), the value-added model (VAM) sold by the international business analytics software company SAS Institute Inc., is advertised as offering "precise, reliable and unbiased results that go far beyond what other simplistic [value-added] models found in the market today can provide." In this…
Descriptors: Value Added Models, Test Validity, Test Reliability, Test Bias
Geiger, Tray; Amerein-Beardsley, Audrey – AERA Online Paper Repository, 2017
The Education Value-Added Assessment System (EVAAS), the value-added model (VAM) sold by the business analytics software company SAS Institute Inc., is advertised as offering "precise, reliable and unbiased results that go far beyond what other simplistic [value-added] models found in the market today can provide." In this study, we…
Descriptors: Value Added Models, Test Validity, Test Reliability, Teacher Evaluation
Amrein-Beardsley, Audrey; Geiger, Tray – Phi Delta Kappan, 2017
Houston's experience with the Educational Value-Added Assessment System (R) (EVAAS) raises questions that other districts should consider before buying the software and using it for high-stakes decisions. Researchers found that teachers in Houston, all of whom were under the EVAAS gun, but who taught relatively more racial minority students,…
Descriptors: Value Added Models, School Districts, Computer Software, Educational Technology
