NDLI: The Effects of View Portals on Performance and Awareness in Co-Located Tabletop Groupware

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The Effects of View Portals on Performance and Awareness in Co-Located Tabletop Groupware

Content Provider	ACM Digital Library
Author	Gutwin, Carl Pinelle, David
Abstract	Tabletop work surfaces have natural advantages for co-located collaboration, but also have physical constraints that can make group work difficult. View portals have been proposed as a way to provide access to other parts of a table surface, and as a way to re-orient content for group members in different locations; however, there is little research on whether portals really do improve group performance, how much they help, and whether they change other aspects of collaboration. We report on two studies that evaluate the effects of portals on group performance and behavior. Our first study showed significant performance advantages for portals: people were able to complete tasks more quickly and with more equal division of labor. Our second study, with a realistic design task, showed that people used portals extensively and saw them as valuable, but that they affected people's ability to maintain awareness, coordinate access to objects, and understand the organization of the workspace. Our work demonstrates benefits and potential drawbacks of portals for tables, and suggests that designers should carefully consider both individual and group needs before implementing these and other tabletop view augmentations.
Starting Page	195
Ending Page	206
Page Count	12
File Format	PDF
ISBN	9781450329224
DOI	10.1145/2675133.2675196
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-02-28
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Tabletop groupware Awareness Performance Portals
Content Type	Text
Resource Type	Article

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