Effects of Agent Transparency on Multi-Robot Management Effectiveness
Final rept. Oct 2013-Sep 2014
ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD HUMAN RESEARCH AND ENGINEERING DIRECTORATE
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The objective of the study was to investigate the effects of agent transparency on operator performance in the context of joint human-agent decision making in multi-robot management. The agent display configurations were based on the 3 levels of the situation awareness-based agent transparency model basic-information, reasoning, and projectionsuncertainty. Results showed that participants calibrated their trust in the agent more effectively proper reliance and correct rejections and reported higher levels of trust when they were provided with the agents reasoning and uncertainty information. No speed-accuracy trade-offs were observed. Nor did the participants report higher levels of workload when agent transparency increased. Working memory capacity was found to be a significant predictor of participants trust in the agent. Individual differences in spatial ability accounted for variations in ocular indices of workload across display configurations.