| Building a learning progression for celestial motion: Elementary levels from an earth‐based perspective JD Plummer, J Krajcik Journal of Research in Science Teaching 47 (7), 768-787, 2010 | 248 | 2010 |
| Early elementary students' development of astronomy concepts in the planetarium JD Plummer Journal of Research in Science Teaching 46 (2), 192-209, 2009 | 189 | 2009 |
| Building a learning progression for celestial motion: An exploration of students’ reasoning about the seasons JD Plummer, L Maynard Journal of Research in Science Teaching 51 (7), 902-929, 2014 | 152 | 2014 |
| Spatial thinking as the dimension of progress in an astronomy learning progression JD Plummer Studies in Science Education 50 (1), 1-45, 2014 | 147 | 2014 |
| Dwarf Galaxies in the Coma Cluster. II. Photometry and Analysis J Secker, WE Harris, JD Plummer Publications of the Astronomical Society of the Pacific 109 (742), 1377, 1997 | 106 | 1997 |
| Learning to Explain Astronomy Across Moving Frames of Reference: Exploring the role of classroom and planetarium-based instructional contexts JD Plummer, A Kocareli, C Slagle International Journal of Science Education 36 (7), 1083-1106, 2014 | 91 | 2014 |
| Children Learning to Explain Daily Celestial Motion: Understanding astronomy across moving frames of reference JD Plummer, KD Wasko, C Slagle International Journal of Science Education 33 (14), 1963-1992, 2011 | 87 | 2011 |
| A cross‐age study of children’s knowledge of apparent celestial motion JD Plummer International Journal of Science Education 31 (12), 1571-1605, 2009 | 87 | 2009 |
| Sextans A: A case study of star formation and gas densities in irregular galaxies DA Hunter, JD Plummer Astrophysical Journal v. 462, p. 732 462, 732, 1996 | 78 | 1996 |
| Preservice Teachers Developing Coherent Inquiry Investigations in Elementary Astronomy JD PLUMMER, A TANIS OZCELIK Science Education 99 (5), 932-957, 2015 | 76 | 2015 |
| The role of perspective taking in how children connect reference frames when explaining astronomical phenomena JD Plummer, CA Bower, LS Liben International Journal of Science Education 38 (3), 345-365, 2016 | 68 | 2016 |
| Students’ Development of Astronomy Concepts Across Time JD Plummer The University of Michigan, 2006 | 54 | 2006 |
| Development of a Learning Progression for the Formation of the Solar System JD Plummer, C Palma, A Flarend, KA Rubin, YS Ong, B Botzer, ... International Journal of Science Education 37 (9), 1381-1401, 2015 | 53 | 2015 |
| Inquiry and astronomy: Preservice teachers’ investigations of celestial motion JD Plummer, VM Zahm, R Rice Journal of Science Teacher Education 21 (4), 471-493, 2010 | 40 | 2010 |
| A Guide to Conducting Educational Research in the Planetarium JD Plummer, S Schmoll, KC Yu, C Ghent Planetarian 44 (2), 8-24, 2015 | 38 | 2015 |
| Informal Science Educators' Pedagogical Choices and Goals for Learners: The Case of Planetarium Professionals JD Plummer, KJ Small Astronomy Education Review 12 (1), 010105, 2013 | 37 | 2013 |
| Challenges in defining and validating an astronomy learning progression JD Plummer Learning Progressions in Science, 77-100, 2012 | 34 | 2012 |
| Survey of the goals and beliefs of planetarium professionals regarding program design KJ Small, JD Plummer Astronomy Education Review 9, 010112, 2010 | 34 | 2010 |
| Covering the standards: Astronomy teachers’ preparation and beliefs JD Plummer, VM Zahm Astronomy Education Review 9, 010110, 2010 | 30 | 2010 |
| Gamified approach to teaching introductory astronomy online DF Barringer, JD Plummer, J Kregenow, C Palma Physical Review Physics Education Research 14 (1), 010140, 2018 | 28 | 2018 |
Christopher PalmaDepartment of Astronomy & Astrophysics, Penn State UniversityEmail yang diverifikasi di psu.edu