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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Brandon, Paul R.; Harrison, George M.; Lawton, Brian E. – American Journal of Evaluation, 2013
When evaluators plan site-randomized experiments, they must conduct the appropriate statistical power analyses. These analyses are most likely to be valid when they are based on data from the jurisdictions in which the studies are to be conducted. In this method note, we provide software code, in the form of a SAS macro, for producing statistical…
Descriptors: Statistical Analysis, Correlation, Effect Size, Benchmarking
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Gajda, Rebecca; Koliba, Christopher – American Journal of Evaluation, 2007
"Collaboration" is a ubiquitously championed concept and widely recognized across the public and private sectors as the foundation on which the capacity for addressing complex issues is predicated. For those invested in organizational improvement, high-quality collaboration has become no less than an imperative. However, evaluators and program…
Descriptors: Cooperation, Educational Improvement, Organizational Theories, Teacher Collaboration