@article{wiebe_slykhuis_2006, title={Evaluating the effectiveness of scientific visualization in two PowerPoint? delivery strategies on science learning for preservice science teachers}, journal={International Journal of Science and Mathematics Education}, author={Wiebe, E. N. and Slykhuis, D. A.}, year={2006} }
 @article{slykhuis_wiebe_annetta_2005, title={Eye-Tracking Students' Attention to PowerPoint Photographs in a Science Education Setting}, volume={14}, ISSN={1059-0145 1573-1839}, url={http://dx.doi.org/10.1007/s10956-005-0225-z}, DOI={10.1007/s10956-005-0225-z}, number={5-6}, journal={Journal of Science Education and Technology}, publisher={Springer Science and Business Media LLC}, author={Slykhuis, David A. and Wiebe, Eric N. and Annetta, Len A.}, year={2005}, month={Dec}, pages={509–520} }