Literature on four methods to effectively use the telephone to reinforce two-way communication in instruction is comprehensively reviewed. A study conducted in Sweden using teleteaching, telelecturing, dial-access, and teletutoring is briefly discussed. A bibliography of 93 items is included. (DS)

This study focused on the improvement of traditional two-way communication processes in correspondence education through variations on the uses of postal communications, reinforcing the feedback sent by mail with systematic telephone calls, and combinations of mail and face-to-face contacts; the primary focus was correspondence education combined…