Abstract Argumentation is an important skill to learn. It is valuable not only in many
professional contexts, such as the law, science, politics, and business, but also in everyday …

Computer-based scaffolding (CBS) has been regarded as an effective way to help individual
students complete and gain skill at completing complex tasks beyond their current ability …

Early in 2005, Phil Harris, Executive Director of the Association of Educational
Communications and Technology, approached Mike Spector and asked if he would like to …

Students learning effectively in groups encourage each other to ask questions, explain and
justify their opinions, articulate their reasoning, and elaborate and reflect upon their …

Establishing optimal challenge enhances intrinsic motivation, interest, and the probability of
success in the learning activity. In K–12 problem-based learning (PBL), students may …

Emerging and scripted roles pose an intriguing approach to analysing and facilitating CSCL.
The concept of emerging roles provides a perspective on how learners structure and self …

The emergence of advanced information and communication technologies (ICT) and
worldwide networks, notably the internet, has given rise to a number of services including e …

This research investigates scaffolding approaches for supporting low-achieving learners in a
problem-based learning environment. The study was conducted in a vocational school with …

Collaborative learning environments provide a set of tools for students acting in groups to
interact and accomplish an assigned task. In this kind of systems, students are free to …

This thesis presents a framework for supporting interaction regulation through computational
means. Regulation of collaborative problem-solving includes aspects related to the task as …