Presentations
Selected Talks/Posters
2022
Henderson, C. & Dancy, M. "How 'well-meaning' faculty of privileged identities sustain inequity", Workshop Presentation, 2022 IUSE Summit, June 6, 2022, Washington, DC.
2018
Henderson, C. “Good Ideas and Evidence are not Sufficient to Change Teaching Practices”, Invited Plenary Presentation, 2018 CIRCLE Conference, September 6, 2018, St. Louis, MO.
Henderson, C. “How to Effect Pedagogical Change at the Department Level”, Invited Presentation, Physics Department Chairs Conference, June 9, 2018, College Park, MD.
Henderson, C. “Integrated Elements of an Action Plan Leading to Institutional Change”, Invited Presentation, Physics Teacher Education Coalition 2018 National Conference, February 9, 2018, College Park, MD.
2017
Henderson, C. "The Accelerating Systemic Change Network (ASCN): A Research to Practice Network to Promote Institutional Change in Postsecondary STEM Education", Invited Plenary Presentation, Gordon Research Conference on Undergraduate Biology Education Research, July 12, 2017, Easton, MA.
Henderson, C. “Successful Institutional Change – The Importance of Focusing on Environments and Structures”, Invited Presentation, Learning Assistant Network International Conference November 4, 2017, Boulder, CO.
Henderson, C. “Towards a STEM DBER Alliance”, Invited Presentation, American Educational Research Association Annual Meeting, San Antonio, TX, April 29, 2017.
2016
Henderson, C. “Integrated Elements of an Action Plan Leading to Institutional Change”, Invited Keynote Presentation, HHMI workshop on Implementing Course-Based Research Experiences at Scale: Building the Value Proposition, Chevy Chase, MD, November 16, 2016.
Henderson, C. “Physics Education Research in Higher Education”, Invited Keynote Presentation, 2016 International Symposium on Physics Higher Education, Peking University, Beijing, China, September 9, 2016.
2015
Henderson, C. “Plenary: Change in Higher Education: Improving Undergraduate STEM Teaching”, Invited Panelist, APLU Science and Mathematics Teaching Imperative 2015 National Conference, New Orleans, LA, June 4, 2015.
Henderson, C. “Bridging the Knowledge-Practice Gap in Undergraduate Physics Education”, Invited Talk, American Physical Society 2015 April Meeting, Baltimore, MD, April 12, 2015.
Henderson, C. “The Challenges of Spreading and Sustaining Research-Based Instruction in Undergraduate STEM”, Plenary Talk, Conference on Research in Undergraduate Mathematics Education, Pittsburgh, PA, February 19, 2015.
2014
Henderson, C. “The Knowledge-Practice Gap in Physics Teaching: How Big Is it and Why Does it Exist?”, Invited Talk, American Association of Physics Teachers 2014 Summer Meeting, Minneapolis, MN, July 28, 2014.
Henderson, C., “Assessment for Course and Program Improvement”, Invited Talk, Physics Department Chairs Conference, College Park, MD, June 7, 2014.
Quardokus, K., & Henderson, C. (2014). "Using Department-Level Social Networks to Inform Instructional Change Initiatives", Contributed Talk, NARST 2014 Annual Meeting, April 1, 2014, Pittsburg, PA.
Henderson, C., “An Introduction to Physics Education Research Teaching Methods”, Invited Mini-Course, XXII Taller Internacional: Nuevas Tendencias en la Ensenañza de la Física (XXII International Workshop: New Trends in Physics Teaching), Puebla, Mexico, May 29-June 1, 2014.
2013
Khatri, R., Henderson, C., Cole, R., Stanford, R. & Froyd, J. “Case Studies of Successfully Propagated Educational Innovations”, Contributed Talk, American Association of Physics Teachers 2013 Summer Meeting, Portland, OR, July 16, 2013.
Henderson, C., Turpen, C., Dancy, M., & Chapman, T.“The Mismatch Between Faculty and Their Institutions Regarding the Assessment of Teaching Effectiveness”, Contributed Talk, American Association of Physics Teachers 2013 Summer Meeting, Portland, OR, July 17, 2013.
Barthelemy, R., Henderson, C. & VanDusen, B. “The Demographics and Experiences of Graduate Students in PER”, Contributed Talk, American Association of Physics Teachers 2013 Summer Meeting, Portland, OR, July 16, 2013.
Dancy. M. & Henderson, C. “Developing a Research-based Model for Educational Transformation”, Invited Talk, American Association of Physics Teachers 2013 Summer Meeting, Portland, OR, July 17, 2013.
Turpen, C., Henderson, C. & Dancy. M. “Moving Beyond Telling Individual Faculty About Educational Innovations”, Invited Talk, American Association of Physics Teachers 2013 Summer Meeting, Portland, OR, July 17, 2013.
Henderson, C., Cole, R., Froyd, J., & Khatri, R. “Collaborative Research: Increasing the Impact of TUES Projects Through Effective Propagation Strategies: A How‐To Guide for PIs”, Poster 385 presented at the NSF-TUES PI meeting, Washington, DC, January 24, 2013.
Henderson, C. & Cole, R. “Propagating Educational Innovations to have an Impact on Faculty Practice”, Workshop A2 presented at the NSF-TUES PI meeting, Washington, DC, January 24, 2013.
Quardokus, K. & Henderson, C. “Using social network analysis to inform education reform efforts in atmospheric science departments”, contributed talk, 2013 American Meteorological Society National Meeting, Austin, TX, January 8, 2013.
2012
Khatri, R., Henderson, C., Cole, R., & Froyd, J. “Change is Hard: Improving the Propagation of Educational Innovations”, Contributed Talk, American Association of Physics Teachers 2012 Summer Meeting, Philadelphia, PA, August 1, 2012.
Dancy, M. & Henderson, C. “Pedagogical Practices of New Faculty Following Participation in an Intensive Physics Education Focused Workshop”, Contributed Talk, American Association of Physics Teachers 2012 Summer Meeting, Philadelphia, PA, August 1, 2012.
Henderson, C. & Quardokus, K. “Department-Level Instructional Change: Complexity Leadership Theory and Social Networks”, Contributed Talk, American Association of Physics Teachers 2012 Summer Meeting, Philadelphia, PA, August 1, 2012.
Barthelemy, R., Henderson, C., & Grunert, M. “The Experiences of Women in Physics Education Research Graduate Programs”, Contributed Talk, American Association of Physics Teachers 2012 Summer Meeting, Philadelphia, PA, July 31, 2012.
Mamudi, W., Henderson, C., Lin, S-Y., & Yerushalmi, E. “Instructor’s Goals for Using Example Solutions in Introductory Physics”, Contributed Talk, American Association of Physics Teachers 2012 Summer Meeting, Philadelphia, PA, July 31, 2012.
Khatri, R., Henderson, C., Cole, R., & Froyd, J. “Principal Investigator and Program Director Views of Successful Propagation”, Contributed Poster, 2012 Physics Education Research Conference, Philadelphia, PA, August 1, 2012.
Barthelemey, R., Grunert, M., & Henderson, C. “The Graduate Research Field Choice of Women in Academic Physics and Astronomy: A Pilot Study”, Contributed Poster, 2012 Physics Education Research Conference, Philadelphia, PA, August 1, 2012.
Henderson, C. The Challenges of Spreading and Sustaining Research-Based Instruction in Undergraduate STEM, Distinguished Lecture, American Society of Engineering Education National Meeting, San Antonio, TX, June 13, 2012.
Henderson, C. Evaluation of the Physics and Astronomy New Faculty Workshops, Invited presentation, Workshop on the Role of Scientific Societies in STEM Faculty Workshops, Washington, DC, May 3, 2012. [3-page summary]
Henderson, C., Dancy, M., Turpen, C. The Challenges of Assessing Teaching Effectiveness: Strategies for PER to Influence Practice, contributed talk, American Association of Physics Teachers 2012 Winter Meeting, Ontario, CA, February 7, 2012.
2011
Henderson, C., Dancy, M., Turpen, C. “Increasing the Impact of PER: Recommendations from Typical Faculty”, contributed talk/poster, American Association of Physics Teachers 2011 Summer Meeting, Omaha, NE, August 2, 2011.
Turpen, C., Henderson, C., Dancy, M. “Is This Good Teaching? Assessment Challenges for Both Faculty and Institutions”, contributed talk/poster, American Association of Physics Teachers 2011 Summer Meeting, Omaha, NE, August 1, 2011.
Barthelemy, R., Henderson, C., Finkelstein, N., & Mestre, J. Physics Education Research Funding Census, contributed poster, 2011 Physics Education Research Conference, Omaha, NE, August 3, 2011.
Henderson, C., Dancy, M., and Turpen, C., 2011,The Influence of PER on Undergraduate Physics Instruction in the United States, Invited talk, National Academies of Science Committee on Undergraduate Physics Education Research and Implementation, March 18, 2011.
Henderson, C., Dancy, M., and Turpen, C., 2011, Understanding Instructor Practices and Attitudes Towards the Use of Research-Based Instructional Strategies in Introductory Physics, poster presentation, NSF-TUES PI Meeting, Washington, DC, January 27, 2011.
2010
Henderson, C., Fynewever, H., Petcovic, H. & Bierema, A. The Impact of ATE Centers on Their Home Institutions, ATE PI Meeting, Washington, DC, October 28, 2010.
Henderson, C., Dancy, M., & Niewiadomska-Bugaj, M. Variables that Correlate with Faculty Use of Research-Based Instructional Strategies, contributed poster, 2010 Physics Education Research Conference, Portland, OR, July 21, 2010.
Dancy, M., Turpen, C., & Henderson, C., Why do Faculty Try Research-based Strategies?, contributed poster, 2010 Physics Education Research Conference, Portland, OR, July 21, 2010.
Turpen, C., Dancy, M., & Henderson, C., Faculty Perspectives on Using Peer Instruction: A National Study, contributed poster, 2010 Physics Education Research Conference, Portland, OR, July 21, 2010.
Henderson, C., Fynewever, H., Petcovic, H., Ritchie, L., & Kryger, A. Improving Technical Education: Opportunities for Physics Education Researchers, contributed poster, AAPT 2010 Summer Meeting, Portland, OR, July 20, 2010.
Beach, A., Henderson, C., “Practice Knowledge Versus Literature-Based Knowledge of STEM Education Change Agents: Results of a National Delphi Process”, Contributed Talk, American Educational Research Association Annual Conference, Denver, CO, April 30, 2010.
Beach, A., Henderson, C., Finkelstein, N., Lin, Y. “Improving Undergraduate Science Instruction: Results of Multidisciplinary Synthesis of the Literature”, Contributed Talk, American Educational Research Association Annual Conference, Denver, CO, April 30, 2010.
Petcovic, H., Fynewever, H., Henderson, C., Mutambuki, J., & Barney, J. Faculty Grading of Quantitative Problems: Are Values Consistent with Practice?, Contributed Poster, National Association for Research in Science Teaching Annual Conference, Philadelphia, PA, March 23, 2010.
Dancy, M., Henderson, C., & Turpen, C. Beyond Dissemination: Sustained Reform in STEM, invited presentation, Dissemination of CCLI Educational Innovations Study Group workshop, Washington, DC, February 18, 2010.
Dancy, M., Henderson, C., & Turpen, C. Faculty Experience with and Perceptions of Research-Based Instructional Strategies: Preliminary Interview Findings, contributed talk, 2010 APS/AAPT Joint Meeting, Washington, DC, February 17, 2010.
2009
Henderson, C. Promoting Instructional Change in New Faculty, invited talk, AAPT 2009 Summer Meeting, Ann Arbor, MI, July 28, 2009.
Henderson, C. & Dancy, M. The Impact of Physics Education Research on the Teaching of Introductory Quantitative Physics, contributed poster, 2009 Physics Education Research Conference, Ann Arbor, MI, July 29, 2009.
Dancy, M. & Henderson, C.Pedagogical Practices of Physics Faculty in the USA, contributed poster, 2009 Physics Education Research Conference, Ann Arbor, MI, July 29, 2009.
Henderson, C. & Dancy, M. Physics Instructors’ Knowledge About and Use of Research-Based Instructional Strategies: Preliminary Results from a Web Survey, contributed poster, AAPT 2009 Summer Meeting, Ann Arbor, MI, July 27, 2009.
Lin, Y., Henderson, C., Finkelstein, N., & Beach, A. Examining Change Strategies in University STEM Education, contributed poster, 2009 Physics Education Research Conference, Ann Arbor, MI, July 29, 2009.
Henderson, C. & Harper, K. “Quiz Corrections: Improving Learning by Encouraging Students to Reflect on Their Mistakes”, invited poster, 2009 Physics Education Research Conference, Ann Arbor, MI, July 30, 2009.
Dancy, M. H. & Henderson, C., Preliminary Results From A Survey Of Physics Faculty On Use Of Research-Based Instructional Strategies, Contributed Poster, PTEC Annual Meeting, Pittsburgh, PA, Mar 13, 2009.
Henderson, C., Beach, A., & Finkelstein, N. Facilitating Change in Undergraduate STEM: The Need to Problematize and Improve Our Approaches to Change, invited workshop, PTEC Annual Meeting, Pittsburgh, PA, Mar 13, 2009.
Henderson, C., Beach, A., Finkelstein, N. & Larson, R. S. An Overview of the Four Core Categories of Change Strategies for Reforming STEM Instruction, invited talk, AAPT/AAAS Winter Meeting, Chicago, IL, Feb 14, 2009.
Other talks in the session:
Disseminating Curriculum and Pedagogy: Peer Instruction, Eric Mazur, Harvard University
Developing Reflective Teachers: Faculty Learning Communities, Andrea Beach, Western Michigan University and Milton Cox, Miami University of Ohio
Developing Policy for Reforming Engineering Education: the ABET Criteria, William Kelly, ASEE
Developing Shared Vision: Distributed Leadership, Jennifer Zoltners Sherer, University of Pittsburgh
Beach, A., Henderson, C., & Finkelstein, N. Facilitating Change in Undergraduate STEM Instruction: Synthesis of Change Strategies across Disciplines, poster presentation, NSF-REESE PI Meeting, Washington, DC, Feb 18-19, 2009.
2008
Henderson, C., Beach, A., & Dancy, M. Facilitating Change in Undergraduate Science Instruction: Making Progress by Improving Communication between Administrators, Educational Researchers, and Faculty Developers, contributed session, Association of American Colleges and Universities Engaging Science, Advancing Learning Conference, Providence, RI, Nov 7, 2008.
Dancy, M. & Henderson, C. Barriers and Promises in STEM Reform Part 1: Examining the Development and Dissemination Change Model, invited talk, National Academies of Science Workshop on Linking Evidence and Promising Practices in STEM Undergraduate Education, Washington, DC, Oct 14, 2008.
Henderson, C. & Dancy, M. Barriers and Promises in STEM Reform Part 2: The Study and Improvement of STEM Change Strategies, invited talk, National Academies of Science Workshop on Linking Evidence and Promising Practices in STEM Undergraduate Education, Washington, DC, Oct 14, 2008.
Beach, A., & Henderson, C. Identifying Connections within the Literature on STEM Instructional Change Using an Historiographic Approach, contributed poster, Association for the Study of Higher Education annual meeting, Jacksonville, FL, Nov 5-8, 2008.
Henderson, C., Yerushalmi, E., Cohen, E., Kuo, V., Heller, K., & Heller, P. Reflective Problem Solving Skills are Essential for Learning, But it is Not My Job to Teach Them, invited poster, Poster Session TP-C, 2008 Physics Education Research Conference, Edmonton, Canada, July 24, 2008.
Cohen, E., Yerushalmi, E., Henderson, C., Heller, K., & Heller, P. I Like These Problems But I Can’t Use Them on My Test: How Instructors Lower the Bar for Student Performance, contributed poster, AAPT 2008 Summer Meeting, Edmonton, Canada, July 22, 2008.
Henderson, C., Beach, A., Finkelstein, N., & Larson, R. S. “Preliminary Categorization of Literature on Promoting Change in Undergraduate STEM”, invited presented, Facilitating Change in Undergraduate STEM symposium, Augusta, MI, June 17, 2008. (slides from presentation, associated paper)
Henderson, C. Barriers to Instructional Change, invited presentation, Action Research and Professional Development in Math, Science and Technology Education Conference, Lissgarden, Sweden, April 3, 2008.
2007
Ambrose, B., & Henderson, C. How Can Physics Education Research Help Me Teach More Effectively?, invited talk, NSTA Physics Strand Day, Detroit, MI, October 18, 2007. Resources for High School Physics Teachers Handout.
Henderson, C. Evaluation of the Physics and Astronomy New Faculty Workshop, contributed talk, AAPT 2007 Summer Meeting, Greensboro, NC, July 30, 2007.
Henderson, C. From research to practice: Why hasn’t educational research had more of an influence on teachers and what can we do about it?invited workshop, PTEC 2007 Conference, Boulder, CO, March 3, 2007.
Henderson, C., Dancy, M., Beach, A. Promoting Instructional Change: Beyond an Emphasis Curriculum, contributed talk, AAPT 2007 Winter Meeting, Seattle, WA, January 9, 2007.
2006
Henderson, C., & Dancy, M. Build it and they will come”, and other myths about science education reform, invited talk, 19th Biennial Conference on Chemical Education, West Lafayette, IN, August 2, 2006.
Yerushalmi, E., Henderson, C., Heller, K., & Heller, P. “Faculty cognitive conflict about instruction: Opportunities for improving dissemination efforts”, Invited Poster, Targeted Poster Session TP-D: Bridging the gap between instructors and curriculum developers: Facilitating successful communication and promoting customization, 2006 Physics Education Research Conference, Syracuse, NY, July 27, 2006.
Henderson, C., Beach, A., & Famiano, M. Creating Lasting Reform: Diffusion of Educational Innovations via Co-Teaching, contributed talk, AAPT 2006 summer meeting, Syracuse, NY, July 24, 2006.
Dancy, M. &Henderson, C. A Post-Positivist Perspective on Physics Education, contributed talk, AAPT 2006 summer meeting, Syracuse, NY, July 24, 2006.
2005
Henderson, C., & Stelzer, T., "The Gap Between PER and Mainstream Faculty: The PER Perspective", Poster presented at the Foundations and Frontiers in Physics Education Research Conference, Bar Harbor, Maine, August 16, 2005.
Henderson, C., & Dancy, M., "Synchronization Difficulties Between Traditional Faculty and Education Researchers ", Contributed Talk, American Association of Physics Teachers Summer Meeting, Salt Lake City, UT, August 9, 2005.
Dancy, M., & Henderson, C., "A Framework for Categorizing Beliefs and Practice", Contributed Talk, American Association of Physics Teachers Winter Meeting, Albuquerque, NM, January 11, 2005. [294 KB, .pdf format]
Handout: Draft Framework [113 KB, .pdf format]
Henderson, C., & Dancy, M., "When One Instructor's Interactive Classroom Activity Is Another's Lecture: Communication Difficulties Between Faculty and Education Researchers", Contributed Talk, American Association of Physics Teachers Winter Meeting, Albuquerque, NM, January 11, 2005. [961 KB, .pdf format]
Kuo, V., Henderson, C., Heller, K., Heller, P., & Yerushalmi, E. “ Physics Problem Solving and Metacognition: Different Descriptions by Different Instructors”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Albuquerque, NM, January 11, 2005.
2004
Henderson, C., & Dancy, M. “Beyond Instructor Beliefs: Additional Barriers to the Adoption of Student-Centered Instruction in Physics”, Contributed Talk, International Society for the Scholarship of Teaching and Learning, Bloomington, IN, October 23, 2004. [721 KB, .pdf format]
Dancy, M., & Henderson, C., “Teaching, Learning and PER: Views from Mainstream Faculty”, Contributed Talk, American Association of Physics Teachers Summer Meeting, Sacramento, CA, August 3, 2004. [226 KB, .pdf format]
Henderson, C., & Dancy, M. “Beyond the Individual Instructor: Systemic Constraints in the Implementation of Research-Informed Practices”, Invited Poster, Targeted Poster Session TP-B: Methodologies of Problem Solving Research, Physics Education Research Conference, Sacramento, CA, August 5, 2004. [92 KB, .pdf format]
Henderson, C., & Foster, T. “Problem-solving Transfer between Mathematics and Physics”, Invited Poster, Targeted Poster Session TP-D: Methodologies of Problem Solving Research, Physics Education Research Conference, Sacramento, CA, August 5, 2004. [166 KB, .pdf format]
"Placing Constraints on Student Solutions as a Way to Develop Principle-Based Problem Solving", Contributed Talk, American Association of Physics Teachers Winter Meeting, Miami, FL, January 27, 2004. [785 KB, .pdf format]
Kuo, V., Heller, K., Heller, P., Henderson, C., & Yerushalmi, E. “Metacognition in Physics Problem Solving -- Instructors' Views”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Miami, FL, January 28, 2004. [451 KB, .pdf format]
2003
“Using Semi-Structured Interviews and Multi-Layered Concept Maps to Generate an Initial Model of Physics Faculty Beliefs about Problem Solving”, Invited Poster, Targeted Poster Session xF: Methodologies of Problem Solving Research, Physics Education Research Conference, Madison, WI, August 7, 2003. [250 KB, .pdf format]
"Easier Said Than Done: A Case Study of Instructional Change", Contributed Talk, American Association of Physics Teachers Summer Meeting, Madison, WI, August 5, 2003. [675 KB, .pdf format]
"Physics Faculty Aren’t Blank Slates Either – An Example of the Mismatch Between Physics Faculty Conceptions and Research-Based Instructional Strategies", Physics Education Seminar, The Ohio State University, May 5, 2003. [1,087 KB, .pdf format]
“What Does It Mean to Solve a Physics Problem? – Instructor’s Beliefs”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Austin, TX, January 14, 2003. [161 KB, .pdf format]
Kuo, V., Heller, K., Heller, P., Henderson, C., & Yerushalmi, E. “Solving a Physics Problem – An Expansion of Instructors’ Beliefs”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Austin, TX, January 14, 2003.[161 KB, .pdf format]
2002
“How Students Learn Problem Solving – A Model of Instructors’ Beliefs”, Contributed Talk, American Association of Physics Teachers Summer Meeting, Boise, ID, August 6, 2002. [487 KB, .pdf format]
“Instructors’ Beliefs About Teaching Using Example Problem Solutions”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Philadelphia, PA, January 22, 2002. [416 KB, .pdf format]
2001
“Instructors’ Ideas about Problem Solving – Setting Goals”, Contributed Talk, American Association of Physics Teachers Summer Meeting, Rochester, NY, July 24, 2001.
“Computer-Based Problem Solving Laboratories for Introductory Physics”, Workshop Co-Leader with Ken Heller, Pat Heller, & Vince Kuo: (1) American Association of Physics Teachers Winter Meeting, San Diego, CA, January 7, 2001; (2) Lab-Centered Instruction Conference, Grand Rapids, MN, June 7, 2001; (3) American Association of Physics Teachers Summer Meeting, Rochester, NY, July 22, 2001
“Making the Grade”, Contributed Talk, Minnesota Area Association of Physics Teachers Spring Meeting, April 28, 2001.
“Don’t be Fooled: Physics Trickery”, Adult Education Class, Science Museum of Minnesota, April 1, 1998, October 27, 1998, April 1, 1999, April 5, 2000, April 5, 2001.
2000
“Why Solve Problems? – Part 2: Different Views from Different Practices?”, Contributed Talk, American Association of Physics Teachers Summer Meeting, Guelph, Canada, August 2, 2000. [.75 KB, .pdf format]
“Common Concerns about the FCI”, Contributed Talk, American Association of Physics Teachers Winter Meeting, Kissimmee, FL, January 19, 2000. [132 KB, .pdf format]
1999
“Physics Challenges”, Adult Education Presentation as part of Grand Opening Celebration, Science Museum of Minnesota, Dec 12 and 19, 1999.
“Where Do Students ‘Go Wrong’ When Solving Newton’s Second Law Problems”, Contributed Talk, American Association of Physics Teachers Summer Meeting, San Antonio, TX, August 6, 1999. [204 KB, .pdf format]
“Where Do Students Go Wrong When Solving Physics Problems”, Contributed Talk, Minnesota Area Association of Physics Teachers Spring Meeting, April 24, 1999.
1998
“Alternative Conceptions in Physics”, Physics Colloquy, Macalester College, March 12, 1998.
“Pipe Organ Sound”, Adult Education Class, Science Museum of Minnesota, March 10, 1998.
1997
“What’s in a Sound?”, Adult Education Class, Science Museum of Minnesota, November 13, 1997.
“The Physics of Toys”, Saturday Workshop For Families, Bakken Museum, May 17, 1997.
1996
“Electricity and Magnetism”, Saturday Workshop For Families, Bakken Museum, September 21, 1996.