Learner-instructor -- Involves presentation of information to students and the students' responses to the information. Examples: Lectures, question and answer, brainstorming activities, case studies, celebrity guests, and interviews.

Learner-learner -- Occurs when the instructor provides opportunities for students to work together in small or large groups. Examples: Cooperative learning projects, debates, role-playing, and panel discussions.

Learner-content -- Occurs when students reflect on and interact with the ideas and concepts presented in the content. Examples: Individual projects, homework assignments, interviews and surveys, and computer-assisted instruction.

Find out how an instructor used discussion in his videoconference class to encourage learner-instructor and learner-learner interaction.  Dr. Marshall Breeze says he tries to get students to answer their own questions which makes the class more interesting and deepen their understanding of the information.  Watch Video  Then watch this video clip to see how Breeze leads videoconference discussions.  Watch Video of classroom interaction (needs video) For a web-based course, Dr. Elaine Turner suggests that during the course development stage you plan on how you will interact with your students.  Watch Video