An HCI method to improve the human performance reduced by local-lag mechanism
Identifieur interne : 005F34 ( Main/Merge ); précédent : 005F33; suivant : 005F35An HCI method to improve the human performance reduced by local-lag mechanism
Auteurs : Ling Chen [République populaire de Chine, Royaume-Uni] ; Gen-Cai Chen [République populaire de Chine] ; Hong Chen [République populaire de Chine] ; Jack March [Royaume-Uni] ; Steve Benford [Royaume-Uni] ; Zhi-Geng Pan [République populaire de Chine]Source :
- Interacting with Computers [ 0953-5438 ] ; 2007-03.
Abstract
Local-lag mechanism can maintain consistency for replicated continuous applications, but with a tradeoff of adding delay to local operations. To relieve the negative effects of the delay, this paper proposes an HCI method named echo. With the help of the echo method users can immediately perceive the results of their operations and how large the lag is. In order to evaluate the proposed method, a desktop collaborative virtual environment (CVE) system and a virtual object control task were employed to study the effects of the echo method on human performance (including task completion time, error count, and interaction quality). Experimental results indicate that when the lag exceeds 100 ms the echo method can improve human performance with the effects becoming more evident when a larger lag is used.
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DOI: 10.1016/j.intcom.2006.05.009
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To relieve the negative effects of the delay, this paper proposes an HCI method named echo. With the help of the echo method users can immediately perceive the results of their operations and how large the lag is. In order to evaluate the proposed method, a desktop collaborative virtual environment (CVE) system and a virtual object control task were employed to study the effects of the echo method on human performance (including task completion time, error count, and interaction quality). Experimental results indicate that when the lag exceeds 100 ms the echo method can improve human performance with the effects becoming more evident when a larger lag is used.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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