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| | ISU PERG: Contributed Presentations |
 | | Ngoc-Loan Nguyen, Warren M. Christensen, and David E. Meltzer, Students' Use of Rule-Based Reasoning in the Context of Calorimetry and Thermal Phenomena, at the 2003 Physics Education Research Conference, Madison, Wisconsin, August 6-7, 2003. |
 | | Ngoc-Loan Nguyen and David E. Meltzer, Initial understanding of vector concepts among students in introductory physics courses, at the 124th National Meeting of the American Association of Physics Teachers, Philadelphia, Pennsylvania, January 22, 2002 [AAPT Announcer 31 (4), 102 (2001)]. |
 | | Ngoc-Loan Nguyen and David E. Meltzer, Student understanding of vectors, at the Joint Meeting of the Nebraska and Iowa Sections of the American Association of Physics Teachers, Omaha, Nebraska, November 3, 2001. |
| www.physics.iastate.edu /per/talks/contributed.html (2090 words) |
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