| Contemporary approaches to teacher professional development H Borko, J Jacobs, K Koellner International encyclopedia of education 7 (2), 548-556, 2010 | 883 | 2010 |
| Using video representations of teaching in practice-based professional development programs H Borko, K Koellner, J Jacobs, N Seago Zdm 43, 175-187, 2011 | 384 | 2011 |
| Increasing the self-efficacy of inservice teachers through content knowledge LE Swackhamer, K Koellner, C Basile, D Kimbrough Teacher Education Quarterly 36 (2), 63-78, 2009 | 374 | 2009 |
| Distinguishing models of professional development: The case of an adaptive model’s impact on teachers’ knowledge, instruction, and student achievement K Koellner, J Jacobs Journal of teacher education 66 (1), 51-67, 2015 | 305 | 2015 |
| Examining novice teacher leaders’ facilitation of mathematics professional development H Borko, K Koellner, J Jacobs The Journal of Mathematical Behavior 33, 149-167, 2014 | 229 | 2014 |
| The problem-solving cycle: A model to support the development of teachers' professional knowledge K Koellner, J Jacobs, H Borko, C Schneider, ME Pittman, E Eiteljorg, ... Mathematical thinking and learning 9 (3), 273-303, 2007 | 166 | 2007 |
| Mathematics Professional Development: Critical Features for Developing Leadership Skills and Building Teachers' Capacity. K Koellner, J Jacobs, H Borko Mathematics teacher education and development 13 (1), 115-136, 2011 | 132 | 2011 |
| Using a modeling approach to analyze the ways in which teachers consider new ways to teach mathematics RY Schorr, K Koellner-Clark Models and Modeling Perspectives, 191-210, 2014 | 96 | 2014 |
| Mathematics professional development: Improving teaching using the problem-solving cycle and leadership preparation models H Borko, J Jacobs, K Koellner, LE Swackhamer Teachers College Press, 2015 | 90 | 2015 |
| Preparing teachers to foster algebraic thinking H Borko, J Frykholm, M Pittman, E Eiteljorg, M Nelson, J Jacobs, ... Zentralblatt für Didaktik der Mathematik 37, 43-52, 2005 | 86 | 2005 |
| Establishing a Professional Learning Community among Middle School Mathematics Teachers. K Koellner-Clark, H Borko International Group for the Psychology of Mathematics Education, 2004 | 69 | 2004 |
| Performance-based assessment for certification: Insights from edTPA implementation AJ Lachuk, K Koellner Language Arts 93 (2), 84-95, 2015 | 61 | 2015 |
| A framework for understanding and cultivating the transition from arithmetic to algebraic reasoning MJ Nathan, K Koellner Mathematical Thinking and Learning 9 (3), 179-192, 2007 | 61 | 2007 |
| Preparing facilitators to use and adapt mathematics professional development materials productively J Jacobs, N Seago, K Koellner International Journal of STEM Education 4, 1-14, 2017 | 58 | 2017 |
| Whodunit? Exploring proportional reasoning through the footprint problem K Koellner‐Clark, R Lesh School Science and Mathematics 103 (2), 92-98, 2003 | 58 | 2003 |
| A modeling approach to describe teacher knowledge KK Clark, R Lesh Beyond Constructivism, 159-173, 2003 | 57 | 2003 |
| The power of video as a tool for professional development and research: Examples from the Problem-Solving Cycle J Jacobs, H Borko, K Koellner The power of video studies in investigating teaching and learning in the …, 2009 | 39 | 2009 |
| Meeting the challenges of scale: The importance of preparing professional development leaders H Borko, K Koellner, J Jacobs Teachers College Record, 11-14, 2011 | 38 | 2011 |
| Video in the middle: Purposeful design of video-based mathematics professional development N Seago, K Koellner, J Jacobs Contemporary Issues in Technology and Teacher Education 18 (1), 29-49, 2018 | 33 | 2018 |
| Integrating literature to support mathematics learning in middle school K Koellner, FH Wallace, L Swackhamer Middle School Journal 41 (2), 30-39, 2009 | 31 | 2009 |
