Individuals' mental maps of the world are highly misrepresentative of the actual world. Availability in memory partly explains the reasons for this misrepresentation. When asked to place the 50 states in their correct locations, students have difficulty with states not in close proximity to their own because of availability, such that the…

Presents concepts from von Wodtke's book, "Mind over Media," to suggest ways to teach thinking skills important for the electronic information age. Topics covered include how to use media interactively, navigating information environments, developing cognitive maps of media space, visualization, creative thinking, and collaboration. (KRN)

Forty blind children and adolescents had to learn two unknown environments and then externalize the spatial representation via two methods--building a scale model and verbally estimating distances. High correlations were found between the two methods and between those methods and two systems of measuring mobility. (Author/JDD)

Computer-based learning environments commonly comprise symbolic as well as static and dynamic pictorial representations, frequently combined with the possibility of modifying them interactively. While multiple, dynamic and interactive external representations have the potential to improve learning in various ways, they also place specific demands…