Search results for author:"David Devraj Kumar"
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Approaches to Interactive Video Anchors in Problem-Based Science Learning
David Devraj Kumar
Journal of Science Education and Technology Vol. 19, No. 1 (February 2010) pp. 13–19
This paper is an invited adaptation of the IEEE Education Society Distinguished Lecture Approaches to Interactive Video Anchors in Problem-Based Science Learning. Interactive video anchors have a cognitive theory base, and they help to enlarge the...
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Self Reflections of Undergraduate Students on Using Web-Supported Counterintuitive Science Demonstrations
David Devraj Kumar; Jessica Dunn
Journal of Science Education and Technology Vol. 27, No. 4 (2018) pp. 362–368
Analysis of self-reflections of undergraduate education students in a project involving web-supported counterintuitive science demonstrations is reported in this paper. Participating students (N = 19) taught science with counterintuitive...
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Nanotechnology and Closed Captioned Videos: Improving Opportunities for Teaching Science to ESL Students
David Devraj Kumar; Kimberly Scarola
Asia-Pacific Forum on Science Learning and Teaching Vol. 7, No. 2 (December 2006)
This paper argues in favor of Closed Captioned Video technology for incorporating nanotechnology as part of teaching science to English as a Second Language (ESL) students. Nanotechnology deals with particles with diameters 1-50 nm and provides a...
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Effect of a Problem Based Simulation on the Conceptual Understanding of Undergraduate Science Education Students
David Devraj Kumar; Robert D. Sherwood
Journal of Science Education and Technology Vol. 16, No. 3 (June 2007) pp. 239–246
A study of the effect of science teaching with a multimedia simulation on water quality, the "River of Life," on the science conceptual understanding of students (N = 83) in an undergraduate science education (K-9) course is reported. Teaching...
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Effect of Current Electricity Simulation Supported Learning on the Conceptual Understanding of Elementary and Secondary Teachers
David Devraj Kumar; P V. Thomas; John D. Morris; Karen M. Tobias; Mary Baker; Trudy Jermanovich
Journal of Science Education and Technology Vol. 20, No. 2 (April 2011) pp. 111–115
This study examined the impact of computer simulation and supported science learning on a teacher's understanding and conceptual knowledge of current electricity. Pre/Post tests were used to measure the teachers' concept attainment. Overall, there...