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Scopus Author ID: 55389312100

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Employment (1)

Arizona State University: Phoenix, AZ, US

Employment
Source: Self-asserted source
karen koellner

Works (12)

Teachers’ perceptions and uptake of professional development overtime

International Journal of Educational Research Open
2024-06 | Journal article
DOI: 10.1016/j.ijedro.2023.100308
Contributors: Karen Koellner; Nanette Seago; Amanda Riske; Nicora Placa; David Carlson
Source: check_circle
Crossref

How using visual representations may provide teacher leaders with a tool for supporting sustained teacher learning.

Journal of Mathematics Education Leadership
2023-12 | Journal article
Contributors: Nicora Placa; Karen Koellner; Nanette Seago
Source: Self-asserted source
karen koellner

CONNECTING PROFESSIONAL LEARNING DESIGN FEATURES TO TEACHER LEARNING: A LONGITUDINAL CASE STUDY

2023-11 | Conference paper
DOI: 10.21125/iceri.2023.0392
Contributors: Karen Koellner; Nicora Placa; Nanette Seago
Source: check_circle
Crossref

Instructional Change after Participating in a Mathematics Professional Development Program: An Exploration of Impact

The Teacher Educator
2023-01-02 | Journal article
DOI: 10.1080/08878730.2022.2067277
Contributors: Karen Koellner; Nanette Seago; Jennifer Jacobs
Source: check_circle
Crossref

Preparing facilitators to use and adapt mathematics professional development materials productively

International Journal of STEM Education
2017 | Journal article
DOI: 10.1186/s40594-017-0089-9
EID:

2-s2.0-85051780418

Part of ISBN:

21967822
Contributors: Jacobs, J.; Seago, N.; Koellner, K.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Distinguishing Models of Professional Development: The Case of an Adaptive Model’s Impact on Teachers’ Knowledge, Instruction, and Student Achievement

Journal of Teacher Education
2015 | Journal article
DOI: 10.1177/0022487114549599
EID:

2-s2.0-84919683839

Part of ISBN:

00224871
Contributors: Koellner, K.; Jacobs, J.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Examining novice teacher leaders' facilitation of mathematics professional development

Journal of Mathematical Behavior
2014 | Journal article
DOI: 10.1016/j.jmathb.2013.11.003
EID:

2-s2.0-84890248703

Part of ISBN:

07323123
Contributors: Borko, H.; Koellner, K.; Jacobs, J.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Using video representations of teaching in practice-based professional development programs

ZDM - International Journal on Mathematics Education
2011 | Journal article
DOI: 10.1007/s11858-010-0302-5
EID:

2-s2.0-84867473323

Part of ISBN:

18639690 18639704
Contributors: Borko, H.; Koellner, K.; Jacobs, J.; Seago, N.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Contemporary approaches to teacher professional development

International Encyclopedia of Education
2010 | Book chapter
Part of DOI: 10.1016/B978-0-08-044894-7.00654-0
EID:

2-s2.0-83555169971
Contributors: Borko, H.; Jacobs, J.; Koellner, K.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Integrating Literature to Support Mathematics Learning in Middle School

Middle School Journal
2009 | Journal article
DOI: 10.1080/00940771.2009.11461710
EID:

2-s2.0-84945323135

Part of ISBN:

23276223
Contributors: Koellner, K.; Wallace, F.H.; Swackhamer, L.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Preparing Teachers to Foster Algebraic Thinking

ZDM - International Journal on Mathematics Education
2005 | Journal article
DOI: 10.1007/BF02655896
EID:

2-s2.0-38949170028

Part of ISBN:

18639704 18639690
Contributors: Borko, H.; Frykholm, J.; Pittman, M.; Eiteljorg, E.; Nelson, M.; Jacobs, J.; Koellner-Clark, K.; Schneider, C.
Source: Self-asserted source
karen koellner via Scopus - Elsevier

Reading Stances in Mathematics: Positioning Students and Texts

Action in Teacher Education
2005 | Journal article
DOI: 10.1080/01626620.2005.10463384
EID:

2-s2.0-85009598796

Part of ISBN:

21586098 01626620
Contributors: Wallace, F.H.; Clark, K.K.
Source: Self-asserted source
karen koellner via Scopus - Elsevier
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