This field study focused on the use of graphics during audio-graphics teleconferences.
Variables measured were receivers' interest, perceived levels of comprehension and
retention, as well as information clarity. Significant differences existed among telecon
ferences which had no graphics, conferences in which the graphics did not directly
complement the audio message, and those conferences in which the graphics directly
complemented audio messages. A higher number of graphics complementing audio
messages did not result in significant improvements. Individual differences were not
an interacting effect. The perceived quality of the graphics was significantly related to
the perceived effectiveness of the teleconference.
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