| Video conferencing may be one-way or two-way. When one-way, participants can see and
hear the people in one site(usually where the instructor is located), and everyone can
interact by telephone. When video-conferencing is two-way, participants can both see and
hear those in other sites. In general it is easier to control groups when they can be
seen. Also, students tend to be more motivated by video than audio alone. Managing video
technology is more difficult, and teachers need more specialist technical assistance than
with audio-conferencing. For instructors the strategies for teaching by videoconference
are very similar to audio-conferencing—whichever method they expect to use, they will
find the literature related to both forms of teleconferencing to be equally helpful.
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