Controlling interruptions: awareness displays and social motivation for coordination

  • Authors:
  • Laura Dabbish;Robert E. Kraut

  • Affiliations:
  • Carnegie Mellon University, Pittsburgh, PA;Carnegie Mellon University, Pittsburgh, PA

  • Venue:
  • CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
  • Year:
  • 2004

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Abstract

Spontaneous communication is common in the workplace but can be disruptive. Such communication usually benefits the initiator more than the target of the disruption. Previous research has indicated that awareness displays showing the workload of a target can reduce the harm interruptions inflict, but can increase the cognitive load on interrupters. This paper describes an experiment testing whether team membership influences interrupters' motivation to use awareness displays and whether the informational-intensity of a display influences its utility and cost. Results indicate interrupters use awareness displays to time communication only when they and their partners are rewarded as a team and that this timing improves the target's performance on a continuous attention task. Eye-tracking data shows that monitoring an information-rich display imposes a substantial attentional cost on the interrupters, and that an abstract display provides similar benefit with less distraction.