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Journal Article:

Author(s) :


Gutwin, C., & Greenberg, S.

Date of Publication :



Article Title :


The effects of workspace awareness support on the usability of real-time distributed groupware

Journal Title :


ACM Transactions on Computer-Human Interaction

Volume ID :



Pages(s) :



Abstract :


review: Gutwin and Greenberg test the hypothesis that improving ìworkspace awarenessî in groupware improves its usability. Workspace awareness is defined as knowledge of who is in the workspace, what they are doing, and where. The experiment testing this hypothesis is designed around collaboration by two humans working together in a shared workspace represented on computer screens, on construction tasks. Awareness is introduced using miniature views of the entire workspace; two different types of views are used to provide and test different levels of awareness. The experiment tests between-participant and within-participant hypotheses regarding the effects of the different views in terms of task completion time, perceived effort, communication efficiency, user preference, and strategy use. Limiting the group size to two, that is, pairs of participants working together on each task, may be necessary for a manageable experiment but is a significant limitation; it would be useful to investigate whether and under what conditions larger group sizes produce stronger differentiation between different types and levels of awareness in groupware.

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