This chapter exemplifies how such analysis can be used to help design learning environments by reference to research carried out by us at the INTERACT Laboratory. It tries to show how cognitive interactivity might be a valuable conceptual tool, certainly for designing interactive multimedia (IMM) and virtual world applications. We have also discussed an initial set of taxonomic devices for Mixed Reality Environments (MREs), that of transforms and traversals, in an effort to capture and design for a new kind of experience for the user. It is these kinds of development that are needed to drive the design of effective learning environments. The chapter encounteres a richness in terms of Information and communication technology (ICT) that must place it firmly among the ranks of such amplifiers with its potential to improve learning and understanding of the world. Increasing the level of abstraction would help to integrate understanding into a more holistic domain model.