http://orcid.org/0000-0002-9571-9311
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Abstract
Team members have different roles in various scenarios to maintain situation awareness. A collaborative system should therefore provide appropriate information to the appropriate person at an appropriate time. Considering the mismatch between the designed and actually used information, this paper proposed that users should define what information to share with their team-mates. Thirty-six participants, who formed eighteen teams, used both the traditional and user-defined shared displays to perform failure diagnosis on the context of nuclear power plants. The user-defined shared display exhibited shorter diagnosis time without significant difference in correctness. Information quality, instead of quantity, was positively correlated with team mutual awareness. This study provides empirical evidence that user-defined information sharing is effective at improving operator’s diagnosis performance, so the users should be able to tailor the information based on requirements.Practitioner Summary: To support team situation awareness and teamwork, the present study proposed that users should define what information to share with their team-mates. The laboratory experiment shows that user-defined information sharing shortens operator diagnosis time without degrading correctness. Information quality appears more important than information quantity in enhancing team mutual awareness.