期刊
COGNITION
卷 106, 期 3, 页码 1465-1477出版社
ELSEVIER
DOI: 10.1016/j.cognition.2007.05.012
关键词
coordination; eye gaze; collaborative visual search; shared gaze; communication; grounding shared attention
资金
- NIMH NIH HHS [R01-MH63748] Funding Source: Medline
Collaboration has its benefits, but coordination has its costs. We explored the potential for remotely located pairs of people to collaborate during visual search, using shared gaze and speech. Pairs of searchers wearing eyetrackers jointly performed an O-in-Qs search task alone, or in one of three collaboration conditions: shared gaze (with one searcher seeing a gaze-cursor indicating where the other was looking, and vice versa), shared-voice (by speaking to each other), and shared-gaze-plus-voice (by using both gaze-cursors and speech). Although collaborating pairs performed better than solitary searchers, search in the shared gaze condition was best of all: twice as fast and efficient as solitary search. People can successfully communicate and coordinate their searching labor using shared gaze alone. Strikingly, shared gaze search was even faster than shared-gaze-plus-voice search; speaking incurred substantial coordination costs. We conclude that shared gaze affords a highly efficient method of coordinating parallel activity in a time-critical spatial task. (C) 2007 Elsevier B.V. All rights reserved.
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