SCALE was the first European project on collaborative argumentation. During the project an internet-based intelligent tool was designed to support collaborative argumentation-based learning in secondary schools.

In the project the Rainbow analysis framework was developedanalysing when and how students engage in a specific form of interactive knowledge elaboration in CSCL environments: broadening and deepening understanding of a space of debate.

European 5th framework, IST 1999 10664; 2001-2004

Role in the project

Team Leader


Baker, Andriessen, Lund, Van Amelsvoort, Quignard (2007). Rainbow: A framework for analysing computer-mediated pedagogical debates, International Journal of Computer-Supported Collaborative Learning 2(2) 315-357