Exploring the effectiveness of an idea-centered design to foster a computer-supported knowledge building environment

This paper compares the effectiveness of two multimedia environments-- Blackboard Learning System™ and Knowledge Forum™--in terms of their underlying design approaches to support collaborative learning and knowledge work. The two design approaches are (1) a conventional theme-based approach, i.e., to center group collaboration and meaning interaction around themes, and (2) an idea-centered approach, i.e., to center group collaboration and meaning interaction around sustained idea exchange and improvement. Findings suggest that an idea-centered design approach seems more likely to construct an environment that fosters more dynamic group and meaning interactions, thus enabling more sustained collaborative learning and knowledge building.