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Harty, Harold; Al-Faleh, Nasser – Journal of Research in Science Teaching, 1983
Determined differences between lecture-demonstration and small-group laboratory approaches on students' (N=74) chemistry achievement and attitudes toward science. Findings indicate that students taught by the laboratory approach achieved better on immediate/delayed posttests than students taught by lecture-demonstration method. More desirable…
Descriptors: Academic Achievement, Chemistry, Conventional Instruction, Grade 11
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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