1. Online learning environments, scientific argumentation, and 21st century skills / Douglas Clark, Victor Sampson … professional learning and expertise / Christian Harteis -- 6. E-collaborative help-seeking using social web features / Silke …. Flexible peer assessment formats to acknowledge individual contributions during (web-based) collaborative learning / Dominique …

issue of how technologies can bring advancements for learning"--Provided by publisher. …1. Computer support in E-collaborative learning-by-doing environments / Lin Qiu -- 2. Collaborative knowledge … construction in virtual learning environments / Kathrin Helling, Christian Petter -- 3. Constructing a sense of community in a …