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Direct linkFranke, Gaitano; Bogner, Franz X. – Journal of Educational Research, 2011
A hands-on instructional approach with medium-achieving 10th-grade students (N = 294) successfully demonstrated the achievement of a conceptual change. Two teaching variations were applied (I-1, I-2), both dealing with a hands-on gene technology lesson in an out-of-school laboratory. I-2 additionally confronted the participants with alternative…
Descriptors: Constructivism (Learning), Teaching Models, Molecular Biology, Concept Formation
