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Dane Stuckel

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Publications by Dane Stuckel (bibliography)

» 2008 «

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Stuckel, Dane and Gutwin, Carl (2008): The effects of local lag on tightly-coupled interaction in distributed groupware. In: Proceedings of ACM CSCW08 Conference on Computer-Supported Cooperative Work 2008. pp. 447-456. Available online

“Tightly-coupled interaction is shared work in which each person's actions immediately and continuously influence the actions of others. Tightly-coupled collaboration is a hallmark of expert behavior in face-to-face activity, but becomes extremely difficult to accomplish over distributed groupware. The main cause of this difficulty is network delay that disrupts people's ability to synchronize their actions with another person. In this paper we report on two studies that explore local lag as a way of reducing this problem. When applied to visual feedback, local lag synchronizes the visual environments of the local and remote clients, preventing one person from getting ahead of the other. We tested the effects of local lag in several delay conditions: we found that the technique significantly improved performance, and that users did not rate local lag as more difficult or frustrating to use. Our studies improve our understanding of local lag and of how it improves tightly-coupled interaction in distributed groupware.”

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» 2007 «

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Nacenta, Miguel A., Pinelle, David, Stuckel, Dane and Gutwin, Carl (2007): The effects of interaction technique on coordination in tabletop groupware. In: Proceedings of the 2007 Conference on Graphics Interface 2007. pp. 191-198. Available online

“The interaction techniques that are used in tabletop groupware systems (such as pick-and-drop or pantograph) can affect the way that people collaborate. However, little is known about these effects, making it difficult for designers to choose appropriate techniques when building tabletop groupware. We carried out an exploratory study to determine how several different types of interaction techniques (pantograph, telepointers, radar views, drag-and-drop, and laser beam) affected coordination and awareness in two tabletop tasks (a game and a storyboarding activity). We found that the choice of interaction technique significantly affected coordination measures, performance measures, and preference -- but that the effects were different for the two different tasks. Our study shows that the choice of tabletop interaction technique does indeed matter, and provides insight into how tabletop systems can better support group work.”

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