Mediating human interaction with video: the fallacy of the talking heads

Harro Vons, Roel Vertegaal, Gerrit C. van der Veer

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    Given that communication network bandwidth remains at a premium, the design of multiparty mediated systems is a problem of conveying the least redundant information first. We investigated the redundancy of gaze direction in relation to typical full-motion visual cues in performing a triadic abstract office communication task. The results of the experiment indicate that the use of still-video does not necessarily have a negative impact on task performance. Gaze directional cues may provide extra regulative information, but with regard to task performance in small, well-organized groups this information seems to be largely redundant.
    Original languageEnglish
    Pages (from-to)199-206
    Issue number18
    Publication statusPublished - 1998


    • Collaborative work
    • Interaction design
    • Videoconferencing


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