Search results for author:"Poornima Padmanabhan"
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Developing Structural-Temporal Visualizations of Asynchronous Threaded Online Learning Conversations
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2009 (Oct 26, 2009) pp. 3253–3261
This paper focuses on understanding participation and interactivity patterns in asynchronous threaded online learning conversations (ATOLCs). We argue that traditional visual diagramming techniques used to analyze ATOLCs focus on structural...
Exploring Situational Factors Shaping Access in a Laptop Program for Socially Disadvantaged Children in India: A Case Study
Educational Media International Vol. 49, No. 2 (2012) pp. 81–95
Low-cost laptop programs attempt to address gaps in access to computers in developing countries. However, the translation of computing access from intention to actuality is mediated by many situational factors. This research presents a case study of ...
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2009 (Oct 26, 2009) pp. 2034–2042
This study aims to extend our understanding of how different assigned student roles function in asynchronous online conversations. While assigning students roles is a popular technique, what roles are assigned and what specific responsibilities they ...
Towards More Precise Design Guidance: Specifying and Testing the Functions of Assigned Student Roles in Online Discussions
Educational Technology Research and Development Vol. 60, No. 1 (February 2012) pp. 55–82
While assigning student roles is a popular technique in online discussions, roles and the responsibilities allocated to them have not been consistently assigned. This makes it difficult to compare implementations and generate principled guidance for ...
Connecting Online Learners with Diverse Local Practices: The Design of Effective Common Reference Points for Conversation
Distance Education Vol. 30, No. 3 (November 2009) pp. 317–338
This mixed-methods study probed the effectiveness of three kinds of objects (video, theory, metaphor) as common reference points for conversations between online learners (student teachers). Individuals' degree of detail-focus was examined as a...