7. The system in claim 1 wherein the learning centers are provided with a public display monitor operable from the common computer in the learning center and the group leader terminal is adapted to send characters to the common computers in the learning centers which appear on the public display monitor in each learning center.
7. The system in claim 1 wherein the learning centers are provided with a public display monitor operable from the common computer in the learning center and the group leader terminal is adapted to send characters to the common computers in the learning centers which appear on the public display monitor in each learning center. 9. The system in claim 7 wherein the group leader terminal further comprises means for sending a participant's response from the memory of the group leader terminal to the memory of the common computer in the learning center to be displayed on the public display monitors in the learning centers.