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Johnson, A. M.; Ozogul, G.; Reisslein, M. – Journal of Computer Assisted Learning, 2015
An experiment examined the effects of visual signalling to relevant information in multiple external representations and the visual presence of an animated pedagogical agent (APA). Students learned electric circuit analysis using a computer-based learning environment that included Cartesian graphs, equations and electric circuit diagrams. The…
Descriptors: Animation, Multimedia Instruction, Computer Assisted Instruction, Prior Learning
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Yuan, Y.; Lee, C. -Y.; Wang, C. -H. – Journal of Computer Assisted Learning, 2010
This study develops virtual manipulative, polyominoes kits for junior high school students to explore polyominoes. The current work conducts a non-equivalent group pretest-post-test quasi-experimental design to compare the performance difference between using physical manipulatives and virtual manipulatives in finding the number of polyominoes.…
Descriptors: Control Groups, Quasiexperimental Design, Foreign Countries, Junior High School Students