Digital learning environments are spaces in which data are shared, generated, and recorded. At the end of an online course, a rich collection of digital artifacts are left behind by the instructor and learners. Some artifacts are intentionally created learning materials and assignments, some are the products of class interaction in discussion…

This article reviews research related to the construct of interaction in the educational technology and distance education literature. The review is limited to higher education and includes theories and empirical research that inform the construct of online interactions. Conceptual and operational definitions of "interaction" are categorized from…