{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T22:01:38Z","timestamp":1767650498298,"version":"3.38.0"},"reference-count":30,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2008,8,1]],"date-time":"2008-08-01T00:00:00Z","timestamp":1217548800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Hum Factors"],"published-print":{"date-parts":[[2008,8]]},"abstract":"<jats:p> Objective: This study explores operators' ability to use a multidimensional, nonveridical control display. Background: Veridical displays represent realistic scenes. State space displays represent nonveridical n-dimensional information based on informative coordinate axes plus variable features such as color and shading. Empirical investigation of state space displays is relatively new to human factors research. Method: Twelve licensed general aviation pilots flew flight scenarios, trying to deviate as little as possible from a preassigned course while still maintaining standard en route separation from traffic. Flight performance using only a veridical cockpit display of traffic information (CDTI) was compared with performance using the CDTI augmented by a 4-D nonveridical state space collision avoidance system (CDTI+4CAS). Results: Using moderate traffic density and complex traffic geometry, the CDTI+4CAS condition showed performance superiority over the baseline CDTI-only condition for five of five dependent measures of maneuver efficiency, four of four measures of maneuver safety, and six of nine measures of user workload. Conclusion: Results suggest that nonveridical information display may enhance operator performance on a control task involving simultaneous processing of multidimensional information. Application: Nonveridical information displays have potential application wherever human control of multidimensional processes is involved. <\/jats:p>","DOI":"10.1518\/001872008x288600","type":"journal-article","created":{"date-parts":[[2008,8,8]],"date-time":"2008-08-08T02:44:44Z","timestamp":1218163484000},"page":"565-575","source":"Crossref","is-referenced-by-count":7,"title":["Testing a Multidimensional Nonveridical Aircraft Collision Avoidance System"],"prefix":"10.1177","volume":"50","author":[{"given":"William R.","family":"Knecht","sequence":"first","affiliation":[{"name":"Maneuver Space Technologies, Pocasset, Oklahoma,"}]}],"member":"179","published-online":{"date-parts":[[2008,8,1]]},"reference":[{"volume-title":"Proceedings of IEEE Visualization `99","author":"Azuma, R.","key":"atypb1"},{"volume-title":"User Request Evaluation Tool (URET) conflict probe performance and benefits assessment (Rep. 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