Nice and clear Master's thesis describing the applicability of 3D worlds in higher education. "A process model is developed that describes the process of producing a course that uses 3D virtual worlds as a tool. The model covers the stages before, during, and after the course. The model describes the environment, different phases, roles, provides ideas for creativity, and advices to avoid problems." Good synthesis of various materials, including tables of didactic approaches to environment, problem categories of using Second Life in education, etc.