Three generations of technological innovations in distance education

D.R. Garrison
1985 Distance Education  
Technology and distance education are inextricably linked. This link is evident considering the "use of technical media" is one of the essential characteristics of distance education (Keegan, 1983) . This is not surprising, however, since two other essential characteristics suggested by Keegan (1983) are the "separation of teacher and student" and the "provision of twoway communication". In fact, given this non-contiguity and the need for teacher-student interaction, it is a virtual tautology
more » ... virtual tautology to say that media are essential in distance education. The essential nature of mediated communication to distance education emphasizes the need to understand the impact that new technologies have had on distance education delivery methods.
doi:10.1080/0158791850060208 fatcat:deodt37zjvbhdpna4y5kxzw55a