Abstraction is a key concept in CS, one of the most fundamental ideas underlying CS and its practice. However, teaching this soft concept to novices is a very difficult task, as discussed by many CSE experts. This paper discusses this issue, and suggests a general framework for teaching abstraction in CS to novices, a framework that would fit into…

Len Annetta, Marta Klesath, and Shawn Holmes describe how avatars in virtual learning environments (VLEs) can contribute to the learning experience by giving students a sense of social presence and investment in the learning community that may otherwise be difficult to access. VLEs have the potential to become the next generation of instructional…