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Wei, Xin; Haertel, Edward – Educational Measurement: Issues and Practice, 2011
Contemporary educational accountability systems, including state-level systems prescribed under No Child Left Behind as well as those envisioned under the "Race to the Top" comprehensive assessment competition, rely on school-level summaries of student test scores. The precision of these score summaries is almost always evaluated using models that…
Descriptors: Scores, Reliability, Computation, Generalizability Theory