Adrie A. Koehler

Conceptualizing and investigating instructor presence in online learning environments

Jennifer Richardson, Adrie A. Koehler, Erin D. Besser et al. · The International Review of Research in Open and Distributed Learning · 2015 · 214 citations · Full text

Online Learning Opportunities, Teacher Education, Case Study Methodology +12

Instructors’ Perceptions of Instructor Presence in Online Learning Environments

Jennifer Richardson, Erin D. Besser, Adrie A. Koehler et al. · The International Review of Research in Open and Distributed Learning · 2016 · 137 citations · Full text

Teacher Education, E-learning, Instructional Communication +12

Online case-based discussions: examining coverage of the afforded problem space

Peggy A. Ertmer, Adrie A. Koehler · Educational Technology Research and Development · 2014 · 71 citations

Online Case-based Discussions, Computational Social Science, Empirical Case Study +12

Facilitated versus non-facilitated online case discussions: comparing differences in problem space coverage

Peggy A. Ertmer, Adrie A. Koehler · Journal of Computing in Higher Education · 2015 · 63 citations

Empirical Case Study, Engineering, Case Conceptualization +13

Facilitation strategies and problem space coverage: comparing face-to-face and online case-based discussions

Peggy A. Ertmer, Adrie A. Koehler · Educational Technology Research and Development · 2017 · 40 citations

Empirical Case Study, Organizational Communication, Case-based Reasoning +14