| Autor: |
John, Mark, Manes, Daniel I., Smallman, Harvey S., Feher, Bela A., Morrison, Jeffrey G. |
| Zdroj: |
Proceedings of the Human Factors and Ergonomics Society Annual Meeting; September 2004, Vol. 48 Issue: 3 p416-420, 5p |
| Abstrakt: |
Tactical displays can quickly become cluttered with large numbers of symbols that can compromise effective monitoring. Here, we studied how heuristic automation can aid users by intelligently “decluttering” the display. In a naval air defense task, users monitored a cluttered airspace and executed defensive responses against significant threats. An algorithm continuously evaluated aircraft for their levels of threat and decluttered the less threatening ones by dimming their symbols. As expected, 27 Navy experts appropriately distrusted and spot-checked the automation's assessments, and decluttering did not affect which aircraft were judged significantly threatening. Nonetheless, decluttering improved response timeliness to threatening aircraft 25% compared with a baseline display with no decluttering, it increased attention to threats, and 25 of 27 participants preferred decluttering. Heuristic automation, when properly designed to guide users' attention by decluttering less important objects, should prove valuable in many cluttered monitoring situations. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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