Research on computer-supported collaborative learning faces the challenge of extending student collaboration to higher social levels and enabling cross-boundary interaction. This study investigated collaborative knowledge building among four Grade 5 classroom communities that studied human body systems with the support of Idea Thread Mapper (ITM).…

This study explores boundary-crossing interaction between two grade 5/6 science classrooms that operated as knowledge building communities. The two classrooms studied human body systems with the support of the Knowledge Forum over a ten-week period. The knowledge building practice integrated student-driven inquiry and discourse within each…

A learning community works with a collective knowledge space where members contribute and interact with one another's ideas to advance their community's knowledge. This study aims to explore designs of collective knowledge space to support cross-community interaction. A design experiment was conducted in four grade 5 classrooms with the support of…

Cross-community collaboration which expands community members' interaction to a larger social scale plays a crucial role in increasing information exchange and extending inquiry learning. This dissertation uses a design-based research approach which aims at testing a multi-level emergence design in multiple learning communities. This design serves…