Interest in computer-based learning, especially in the use of virtual reality simulations is increasing rapidly. While there are good reasons to believe that technologies have the potential to improve teaching and learning, how to utilize the technology effectively in teaching specific content difficulties is challenging. To help students develop…

Most educators, parents, and policymakers think of "online learning" as a subset of distance learning (where the students and teacher are geographically separate), in which content delivery and communication are achieved primarily through the use of computers connected by the Internet. However, online learning can be either distance…