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No Child Left Behind Act 20012
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Hedges, Larry V.; Hedberg, E. C. – Evaluation Review, 2013
Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…
Descriptors: Correlation, Multivariate Analysis, Educational Experiments, Statistical Analysis
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Lazarev, Valeriy; Newman, Denis; Sharp, Alyssa – Regional Educational Laboratory West, 2014
This study explored the relationships among the components of the Arizona Department of Education's new teacher evaluation model, with a particular focus on the extent to which ratings from the state model's teacher observation instrument differentiated higher and lower performance. The study used teacher-level evaluation data collected by the…
Descriptors: Teacher Evaluation, Observation, State Departments of Education, Correlation
Center on Education Policy, 2009
This year the Center on Education Policy (CEP) analyzed data on the achievement of different groups of students in two distinct ways. First, it looked at grade 4 test results to determine whether the performance of various groups improved at three achievement levels--basic and above, proficient and above, and advanced. Second, it looked at gaps…
Descriptors: Federal Legislation, Low Income, American Indians, African American Students
Nichols, Sharon L.; Glass, Gene V.; Berliner, David C. – Education Policy Research Unit, 2005
Under the federal No Child Left Behind Act of 2001 (NCLB), standardized test scores are the indicator used to hold schools and school districts accountable for student achievement. Each state is responsible for constructing an accountability system, attaching consequences--or stakes--for student performance. The theory of action implied by this…
Descriptors: High Stakes Tests, Standardized Tests, Academic Achievement, Federal Legislation