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Download full textKömek, Emre; Yagiz, Dursun; Kurt, Murat – Online Submission, 2015
The purpose of this study is to analyze scientific literacy levels relevant to science and technology classes among gifted students that participate in scientific activities at science and art centers. This study investigated whether there was a significant difference in scientific literacy levels among gifted students according to the areas of…
Descriptors: Foreign Countries, Scientific Literacy, Academically Gifted, Science Education
Petrilli, Michael J.; Scull, Janie – Thomas B. Fordham Institute, 2011
The release of the latest results of the Programme for International Student Assessment (PISA) garnered all the usual headlines about America's lackluster performance and the rise of competitor nations. To be sure, the findings--that America's fifteen-year-olds perform in the middle of the pack in both reading and math--are disconcerting for a…
Descriptors: Low Achievement, Academic Achievement, Achievement Rating, Achievement Tests
Peer reviewedRadó, Péter – Center for Educational Policy Studies Journal, 2011
The paper aims to contribute to the assessment of the contextual relevance of various educational policies through an analysis of three aspects of the performance profiles of European countries: participation, the quality of learning outcomes and the equity of learning outcomes. Comparative analysis of international student achievement assessment…
Descriptors: Foreign Countries, Educational Policy, Participation, Educational Quality
von Davier, Matthias; Xu, Xueli; Carstensen, Claus H. – Educational Testing Service, 2009
A general diagnostic model was used to specify and compare two multidimensional item-response-theory (MIRT) models for longitudinal data: (a) a model that handles repeated measurements as multiple, correlated variables over time (Andersen, 1985) and (b) a model that assumes one common variable over time and additional orthogonal variables that…
Descriptors: Models, Item Response Theory, Longitudinal Studies, Measurement
