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Chu, Hye-Eun; Treagust, David F. – Journal of Science Education and Technology, 2014
This study focuses on elucidating and explaining reasons for the stability of and interrelationships between students' conceptions about "Light Propagation" and "Visibility of Objects" using contextualized questions across 3 years of secondary schooling from Years 7 to 9. In a large-scale quantitative study involving 1,233…
Descriptors: Optics, Secondary School Students, Secondary School Science, Scientific Concepts