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Garofalo, Salvatore G.; Farenga, Stephen J. – Technology, Knowledge and Learning, 2021
This study compared physical and digital models of a scientific topic in order to determine representational competence, short- and long-term cognition, and the extent to which physical or digital interfaces enhance spatial ability. The DNA molecule was used as a representative spatial topic to investigate conceptual and spatial understanding.…
Descriptors: Science Instruction, Concept Formation, Visual Aids, Models
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Liu, Shiyu – Technology, Knowledge and Learning, 2015
This research investigates the role of virtual experiments and worked examples in the learning of the control of variable strategy (CVS). Sixty-nine seventh-grade students participated in this study over a span of 6 weeks and were engaged in worked example learning and/or virtual experimentation to study the knowledge and procedures associated…
Descriptors: Grade 7, Computer Simulation, Experiments, Research Methodology