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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
