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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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SAS Code for Calculating Intraclass Correlation Coefficients and Effect Size Benchmarks for Site-Randomized Education Experiments
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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
Lessons from a Concurrent Evaluation of Eight Antibullying Programs Used in Sweden
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Flygare, Erik; Gill, Peter Edward; Johansson, Bjorn – American Journal of Evaluation, 2013
Sweden has a low prevalence of bullying and Swedish schools are legally obliged to have anti-bullying policies. Many commercial programs are available. A mixed methods, quasi-experimental, concurrent evaluation of 8 programs, chosen from a pool of 21 widely used anti-bullying programs, was planned. Preliminary data, based on 835 stakeholder…
Descriptors: Intervention, Questionnaires, Bullying, Foreign Countries