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The Effect of Different Molecular Models on High School Students' Conceptions of Molecular Genetics
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Rotbain, Yosi; Stavy, Ruth; Marbach-Ad, Gili – Science Education Review, 2008
Our main goal in this study was to explore whether the use of models in high school molecular genetics instruction can contribute to students' understanding of concepts and processes in genetics. Three hundred and nineteen students from four comparable groups of 11th- and 12th-grade students participated. The control group (116 students) was…
Descriptors: Molecular Structure, Models, High School Students, Genetics
Effect of Bead and Illustrations Models on High School Students' Achievement in Molecular Genetics
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Rotbain, Yosi; Marbach-Ad, Gili; Stavy, Ruth – Journal of Research in Science Teaching, 2006
Our main goal in this study was to explore whether the use of models in molecular genetics instruction in high school can contribute to students' understanding of concepts and processes in genetics. Three comparable groups of 11th and 12th graders participated: The control group (116 students) was taught in the traditional lecture format, while…
Descriptors: Illustrations, Grade 12, Genetics, Science Achievement
Understanding Molecular Genetics through a Drawing-Based Activity
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Rotbain, Yosi; Marbach-Ad, Gili; Stavy, Ruth – Journal of Biological Education, 2005
The activity uses drawings typically found in textbooks, engaging students in physical and mental activities such as drawing, painting and figure completion--as well as finding missing words and answering guiding questions. The activity deals with three topics: the structure of DNA, DNA replication and protein synthesis. In this study we…
Descriptors: Experimental Groups, Control Groups, Textbooks, Genetics