An Attentive Groupware Device to Mitigate Information Overload

Authors:
Antonio Ferreira;Pedro Antunes
Affiliations:
Department of Informatics, University of Lisbon, Lisboa, Portugal 1749---016;Department of Informatics, University of Lisbon, Lisboa, Portugal 1749---016
Venue:
Interactive Systems. Design, Specification, and Verification
Year:
2008

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Abstract

We propose an attentive device for synchronous groupware systems to mitigate information overload. The opportunity seekerdevice leverages the users' natural alternation between doing individual work and attending to the group to dynamically manage the delivery timing and quantity of group awareness information that each user is exposed to. We describe how this device can be implemented on an electronic brainstorming tool and show its influence on the distribution of ideas to the users. Results from a laboratory experiment using this tool indicate that group performance increased 9.6% when compared to the immediate broadcast of ideas and a post-hocanalysis suggests that information overload was attenuated: users were subject to 44.1% less deliveries of ideas, which gave them 54.7% more uninterrupted time; users switched 18.8% faster from submitting an idea to start typing the next idea; and the time to write an idea was reduced by 16.3%.