Distance education started being limited in comparison to traditional education. Distance teachers and educational organizations have overcome most of these limits, but some other limits still remain as challenges. One of these challenges is to collaboratively learn concepts in an immersive way, similarly to the education "in situ".…

This paper describes and discusses a case study of postgraduate students undertaking accident investigation and risk assessment exercises in an online virtual world as part of their course curriculum. These exercises were constructed to overcome the ethical and practical barriers inherent in real-world exercises. In particular this paper focusses…

ExplaNet is a web-based, anonymous, asynchronous explanation-sharing network. Instructors post questions to the network and students submit explanatory answers. Students then view and rank the explanations submitted by their peers before optionally resubmitting a final and revised answer. Three classroom evaluations of ExplaNet showed that by…

Several studies have examined realism and instructional effectiveness of physical simulations. However, very few have touched on the question of their credibility or verisimilitude, from the user's point of view. This article presents an empirical exploratory study which investigated the perceptions of potential users of a simulation-based virtual…