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Hong, Guanglei – Society for Research on Educational Effectiveness, 2013
When using time series accountability data to evaluate system-wide education policies, concurrent changes often pose threats to internal validity. The standard difference-in-differences (DID) method resorts to a non-equivalent comparison group whose average outcome change is due to such confounding. This strategy relies on the strong assumption…
Descriptors: Accountability, Scores, Comparative Analysis, Algebra
Lazarin, Melissa – Center for American Progress, 2012
In 2009 the Obama administration announced a focused commitment to turn around 5,000 of the United States' chronically lowest-performing public schools as part of the American Recovery and Reinvestment Act (ARRA). This commitment came with $3 billion in funding for the School Improvement Grant program, or SIG, along with new guidelines to ensure…
Descriptors: Educational Improvement, Improvement Programs, Financial Support, Competition