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Nichols, Kim – Journal of Biological Education, 2018
A variety of practices and specialised representational systems are required to understand, communicate and construct molecular genetics knowledge. This study describes teachers' use of multimodal representations of molecular genetics concepts and how their strategies and choice of resources were interpreted, understood and used by students to…
Descriptors: Molecular Biology, Genetics, Pretests Posttests, Vignettes
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Milenkovic´, Dus?ica D.; Segedinac, Mirjana D.; Hrin, Tamara N. – Journal of Chemical Education, 2014
The central goal of this study was to examine the extent to which a teaching approach focused on the interaction between macroscopic, submicroscopic, and symbolic levels of chemistry representations could affect high school students' performance in the field of inorganic reactions, as well as to examine how the applied instruction influences…
Descriptors: Science Instruction, Chemistry, Difficulty Level, Cognitive Processes
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Liang, Hai-Ning; Parsons, Paul C.; Wu, Hsien-Chi; Sedig, Kamran – Journal of Interactive Learning Research, 2010
This paper deals with the design of interactivity in visualization tools. There are several factors that can be used to guide the analysis and design of the interactivity of these tools. One such factor is flow, which is concerned with the duration of interaction with visual representations of information--interaction being the actions performed…
Descriptors: Visualization, Interaction, Geometric Concepts, Knowledge Representation
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Al-Diban, Sabine; Ifenthaler, Dirk – Educational Technology & Society, 2011
Mental models are basic cognitive constructs that are central for understanding phenomena of the world and predicting future events. Our comparison of two analysis approaches, SMD and QFCA, for measuring externalized mental models reveals different levels of abstraction and different perspectives. The advantages of the SMD include possibilities…
Descriptors: Foreign Countries, Cognitive Measurement, Cognitive Processes, Models
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Pierce, Robyn; Stacey, Kaye; Wander, Roger; Ball, Lynda – Technology, Pedagogy and Education, 2011
Current technologies incorporating sophisticated mathematical analysis software (calculation, graphing, dynamic geometry, tables, and more) provide easy access to multiple representations of mathematical problems. Realising the affordances of such technology for students' learning requires carefully designed lessons. This paper reports on design…
Descriptors: Secondary School Mathematics, Educational Technology, Mathematics Instruction, Lesson Plans