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Direct linkAlred, Ashley R.; Doherty, Jennifer H.; Hartley, Laurel M.; Harris, Cornelia B.; Dauer, Jenny M. – International Journal of Science Education, 2019
An understanding of biological variation is important for understanding ecological interactions, ecosystem function, and species' response to environmental change. Biological variation is essential to species survival because natural selection acts upon the phenotypic variation within a population: the more varied the population's genetic…
Descriptors: Elementary School Students, Secondary School Students, Knowledge Level, Scientific Concepts
Download full textParé-Blagoev, Juliana; Booth, Julie; Elliot, Andrew; Koedinger, Ken – Society for Research on Educational Effectiveness, 2013
As highlighted by the National Math Panel Report (2008), consistent results from laboratory studies have demonstrated that interleaving worked examples with problems to solve improves learning for novices. The purpose of this work is to create materials and tests that can be used flexibly in classrooms and which employ worked examples interleaved…
Descriptors: Assignments, Teaching Methods, Demonstrations (Educational), Classroom Techniques
