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Aloisi, Cesare; Tymms, Peter – Educational Research and Evaluation, 2017
The stability of educational test results from the Programme for International Student Assessment (PISA) over 15 years was examined, and the influence of demographics and social capital was assessed, as was the impact of educational reforms. The test results were remarkably stable, with correlations up to 0.99 for country-level results over 2…
Descriptors: Achievement Tests, Foreign Countries, Secondary School Students, International Assessment
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Warne, Russell T. – Gifted Child Quarterly, 2014
Above-level testing is the practice of administering aptitude or academic achievement tests that are designed for typical students in higher grades or older age-groups to gifted or high-achieving students. Although widely accepted in gifted education, above-level testing has not been subject to careful psychometric scrutiny. In this study, I…
Descriptors: Academically Gifted, Middle School Students, Longitudinal Studies, Hierarchical Linear Modeling