| The identification and validation process of proportional reasoning attributes: An application of a cognitive diagnosis modeling framework H Tjoe, J de la Torre Mathematics Education Research Journal 26 (2), 237-255, 2014 | 53 | 2014 |
| On recognizing proportionality: Does the ability to solve missing value proportional problems presuppose the conception of proportional reasoning? H Tjoe, J de la Torre The Journal of Mathematical Behavior 33, 1-7, 2014 | 40 | 2014 |
| A comparative analysis of ratio and proportion problems in Turkish and the U.S. middle school mathematics textbooks L İncikabi, H Tjoe Journal of Kirsehir Education Faculty 14 (1), 1-15, 2013 | 27 | 2013 |
| Giftedness and aesthetics: Perspectives of expert mathematicians and mathematically gifted students H Tjoe Gifted Child Quarterly 59 (3), 165-176, 2015 | 22 | 2015 |
| Discovering concepts of geometry through robotics coding activities YR Kim, MS Park, H Tjoe International Journal of Education in Mathematics, Science and Technology 9 …, 2021 | 19 | 2021 |
| Designing cognitively-based proportional reasoning problems as an application of modern psychological measurement models H Tjoe, J de la Torre Journal of Mathematics Education 6 (2), 17-26, 2013 | 19* | 2013 |
| Conceptual and theoretical issues in proportional reasoning J de la Torre, H Tjoe, K Rhoads, D Lam International Journal for Studies in Mathematics Education 6 (1), 21-38, 2013 | 16 | 2013 |
| “Looking back” to solve differently: Familiarity, fluency, and flexibility H Tjoe Mathematical Problem Solving, 3-20, 2019 | 13 | 2019 |
| A comparative analysis of numbers and biology content domains between Turkey and the USA L Incikabi, S Ozgelen, H Tjoe International Journal of Environmental and Science Education 7 (4), 523-536, 2012 | 10 | 2012 |
| Which approaches do students prefer? Analyzing the mathematical problem solving behavior of mathematically gifted students H Tjoe Columbia University, 2011 | 9 | 2011 |
| Measuring grade 8 proportional reasoning: The process of attribute identification and task development and validation J De la Torre, D Lam, K Rhoads, H Tjoe annual meeting of the American Educational Research Association, Denver, CO, 2010 | 9 | 2010 |
| Aesthetics in school mathematics: A potential model and a possible lesson H Tjoe The Mathematics Enthusiast 13 (3), 279-302, 2016 | 6 | 2016 |
| Proportional reasoning problems: Current state and a possible future direction H Tjoe, J de la Torre Proceedings of the 12th International Congress on Mathematics Education …, 2012 | 5 | 2012 |
| Comparing Turkish and American middle school mathematics textbooks: A content analysis L İncikabi, H Tjoe Proceedings of the 36th Conference of the International Group for the …, 2012 | 4 | 2012 |
| Developing dynamic number card game of number sense for first grade students W Wulandari, ZH Putra, M Alpusari, D Dahnilsyah, H Tjoe Jurnal Didaktik Matematika 9 (2), 186-203, 2022 | 3 | 2022 |
| The search for validity evidence for instruments in statistics education: preliminary findings D Whitaker, L Harrell-Williams, C Bolch, S Casey, C Huggins-Manley, ... Proceedings of the Satellite conference of the International Association for …, 2021 | 3 | 2021 |
| When is a problem really solved? Differences in the pursuit of mathematical aesthetics H Tjoe Proceedings of the 40th Conference of the International Group for the …, 2016 | 3 | 2016 |
| When understanding evokes appreciation: The effect of mathematics content knowledge on aesthetic predisposition H Tjoe Proceedings of the 38th Conference of the International Group for the …, 2014 | 3 | 2014 |
| Prospective elementary teachers’ informal mathematical proof using GeoGebra: The case of 3D shapes ZH Putra, YM Afrillia, H Tjoe Journal on Mathematics Education 14 (3), 449-468, 2023 | 2 | 2023 |
| The relationship between language complexity and mathematics performance H Tjoe Proceedings of the 41st Conference of the International Group for the …, 2017 | 2 | 2017 |
