The Knowledge Medium: Designing Effective Computer-Based Learning Environments suggests that the understanding of computers as a medium may be a key to reenvisioning educational technology. Because the subject is interdisciplinary, combining science with the humanities, the theoretical discussion draws from a broad range of disciplines: psychology, educational theory, film criticism, and more.

The innovations in computer and communications technologies combined with on-going needs to deliver educational programs to students regardless of their physical locations, have lead to the innovation of distance education programs and technologies. To keep up with recent developments in both areas of technologies and techniques related to distance education programs, educators, administrators, and researchers are in constant needs of learning about issues, solutions, and challenges of these technologies. The Encyclopedia of Distance Learning offers the most comprehensive coverage of the...