Search results for author:"Karen L. Murphy"
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Learners' Perceived Information Overload in Online Learning via Computer-Mediated Communication
Chun-Ying Chen; Susan Pedersen; Karen L. Murphy
Research in Learning Technology Vol. 19, No. 2 (July 2011) pp. 101–116
Many studies report information overload as one of the main problems that students encounter in online learning via computer-mediated communication. This study aimed to explore the sources of online students' information overload and offer...
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The Influence of Perceived Information Overload on Student Participation and Knowledge Construction in Computer-Mediated Communication
Chun-Ying Chen; Susan Pedersen; Karen L. Murphy
Instructional Science: An International Journal of the Learning Sciences Vol. 40, No. 2 (March 2012) pp. 325–349
Computer-mediated communication (CMC) has been used widely to engage learners in academic discourse for knowledge construction. Due to the features of the task environment, one of the main problems caused by the medium is information overload (IO)....
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A Constructivist Model of Mentoring, Coaching, and Facilitating Online Discussions
Karen L. Murphy; Sue E. Mahoney; Chun-Ying Chen; Noemi V. Mendoza-Diaz; Xiaobing Yang
Distance Education Vol. 26, No. 3 (November 2005) pp. 341–366
This case study of an online graduate course determines the message characteristics of the instructor, volunteer teaching assistants, and students in online discussions, and proposes a mentoring, coaching, and facilitating model for online...