In this interesting presentation, Claudia Dornbusch of Facilitador.com demonstrates how to promote learner interactivity in a synchronous classroom. Topics include maximizing visual and whiteboard potential, chat and breakout sessions, and polls and audio discussions.
While these suggestions are intended for employee training sessions, the concepts can be implemented in higher level higher education as well.
E-learning: How to deliver an engaging Virtual Classroom presentation by Claudia Dornbusch