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Raykov, Tenko; Goldammer, Philippe; Marcoulides, George A.; Li, Tatyana; Menold, Natalja – Educational and Psychological Measurement, 2018
A readily applicable procedure is discussed that allows evaluation of the discrepancy between the popular coefficient alpha and the reliability coefficient of a scale with second-order factorial structure that is frequently of relevance in empirical educational and psychological research. The approach is developed within the framework of the…
Descriptors: Test Reliability, Factor Structure, Statistical Analysis, Computation
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Pasachoff, Jay M.; Gährken, Bernd; Schneider, Glenn – Physics Teacher, 2017
In this article, the authors describe their use of simultaneous observations of the 2016 transit of Mercury made from two widely separated locations on Earth to determine the distance to the Sun in a way different from that suggested in 1715 by Halley. Using an internet link, teachers and students can make a similar derivation at the 2019 transit…
Descriptors: Foreign Countries, Physics, Science Instruction, Astronomy
Mikheeva, Ekaterina, Ed.; Meyer, Sebastian, Ed. – International Association for the Evaluation of Educational Achievement, 2020
IEA's International Computer and Information Literacy Study (ICILS) 2018 is designed to assess how well students are prepared for study, work, and life in a digital world. The study measures international differences in students' computer and information literacy (CIL): their ability to use computers to investigate, create, participate, and…
Descriptors: International Assessment, Computer Literacy, Information Literacy, Computer Assisted Testing
Brese, Falk, Ed. – International Association for the Evaluation of Educational Achievement, 2012
The Teacher Education Study in Mathematics or TEDS-M is a study conducted under the aegis of the International Association for the Evaluation of Educational Achievement (IEA). The lead research center for the study is the International Study Center at Michigan State University (ISC/MSU). The ISC/MSU worked from 2006 to 2011 with the International…
Descriptors: Preservice Teacher Education, Elementary School Teachers, Secondary School Teachers, Mathematics Teachers
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van Sark, Wilfried G. J. H. M. – European Journal of Physics, 2007
To reach a sustainable world the use of renewable energy sources is imperative. Photovoltaics (PV) is but one of the technologies that use the power of the sun and its deployment is growing very fast. Several master programs have been developed over the world, including Utrecht University, that teach these technologies. Within the framework of a…
Descriptors: Energy Conservation, Energy, Natural Resources, Conservation (Environment)
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Caswell, Rosemaree – Australian Primary Mathematics Classroom, 2006
The author recently read a research paper by Padberg (2002), in which the development of understanding associated with decimal fractions was studied. Padberg (2002) outlined the situation that existed in Germany, where students were introduced to decimal fractions in the sixth year of school. He claimed that it was assumed students would have a…
Descriptors: Prior Learning, Foreign Countries, Arithmetic, Primary Education
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Koepf, Wolfram; Brede, Markus – International Journal for Technology in Mathematics Education, 2005
The paper's aim is to note a remarkable (and apparently unknown) relation for right triangles, its generalisation to arbitrary triangles and the possibility to derive these and some related relations by elimination using Groebner basis computations with a modern computer algebra system. (Contains 9 figures.)
Descriptors: Computer Uses in Education, Geometric Concepts, Algebra, Foreign Countries
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Kirman, Joseph M. – Canadian Social Studies, 1995
Maintains that the large number of Holocaust victims can be difficult to comprehend. Presents a classroom exercise involving rapid counting that can give meaning to such large numbers. Contends that, along with the rapid counting procedure, there is a need to present the relationship of humanity to the numbers. (CFR)
Descriptors: Anti Semitism, Antisocial Behavior, Classroom Techniques, Computation