Number of co-authors:29
Number of publications with 3 favourite co-authors:Thomas Z. Strybel:4Walter W. Johnson:3Kim-Phuong L. Vu:2
Vernol Battiste's 3 most productive colleagues in number of publications:Kim-Phuong L. Vu:15Thomas Z. Strybel:12Walter W. Johnson:9
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Publications by Vernol Battiste (bibliography)
Vu, Kim-Phuong L., Silva, Hector, Ziccardi, Jason, Morgan, Corey A., Morales, Gregory, Grigoleit, Tristan, Lee, Samuel, Kiken, Ariana, Strybel, Thomas Z. and Battiste, Vernol (2012): How Does Reliance on Automated Tools During Learning Influence Students' Air Traffic Management Skills When the Tools Fail?. In: Proceedings of the Human Factors and Ergonomics Society 2012 Annual Meeting 2012. pp. 16-20.
Research on potential NextGen technology has shown that advanced conflict detection and resolution tools can increase air traffic controllers' performance and decrease their workload. However, use of NextGen tools can change the way controllers represent and manage their sector. Kraut et al. (2011) found that when NextGen tools failed in a simulated environment, experienced controllers were able to recover from the error and revert back to manual air traffic management techniques. One question is whether students would be able to recover from failures of technology if they were trained to rely on NextGen tools during acquisition of their air traffic management skills. To answer this question, we performed a simulation in which students were trained over 16 weeks to manage a sector consisting of both NextGen equipped and unequipped aircraft. Reliance on manual skills versus NextGen tools was induced by varying the percentage of equipped aircraft, being mostly
© All rights reserved Vu et al. and/or Human Factors and Ergonomics Society
Ngo, Mary Kim, Vu, Kim-Phuong L., Thorpe, Elaine, Battiste, Vernol and Strybel, Thomas Z. (2012): Intuitiveness of Symbol Features for Air Traffic Management. In: Proceedings of the Human Factors and Ergonomics Society 2012 Annual Meeting 2012. pp. 1804-1808.
We present the results of two online surveys asking participants to indicate what type of air traffic information might be conveyed by a number of symbols and symbol features (color, fill, text, and shape). The results of this initial study suggest that the well-developed concepts of ownership, altitude, and trajectory are readily associated with certain symbol features, while the relatively novel concept of equipage was not clearly associated with any specific symbol feature.
© All rights reserved Ngo et al. and/or Human Factors and Ergonomics Society
Dao, Arik-Quang V., Lachter, Joel, Battiste, Vernol, Brandt, Summer L., Vu, Kim-Phuong, Strybel, Thomas Z., Ho, Nhut, Martin, Patrick and Johnson, Walter W. (2010): Automated Spacing Support Tools for Interval Management Operations during Continuous Descent Approaches. In: Proceedings of the Human Factors and Ergonomics Society 54th Annual Meeting 2010. pp. 21-25.
In this study, pilots were asked to achieve a specific time in trail while flying an arrival into Louisville International airport. Weather shortly before the start of the descent added variability to the initial intervals. A spacing tool calculated airspeeds intended to achieve the desired time in trail at the final approach fix. Pilots were exposed to four experimental conditions which varied how strictly the pilots were told to follow these speeds and whether speeds had to be entered into the autopilot manually. Giving the pilots more discretion had little effect on the final spacing interval. However, pilots required to enter speeds into the autopilot manually did not effectively manage their airplane's energy resulting in less accurate performance. While these results may not always generalize to alternative spacing implementations, one should not assume pilots manually closing the loop on automated commands can perform as well as a fully automated system.
© All rights reserved Dao et al. and/or HFES
Ligda, Sarah V., Dao, Arik-Quang V., Vu, Kim-Phuong, Strybel, Thomas Z., Battiste, Vernol and Johnson, Walter W. (2010): Impact of Conflict Avoidance Responsibility Allocation on Pilot Workload in a Distributed Air Traffic Management System. In: Proceedings of the Human Factors and Ergonomics Society 54th Annual Meeting 2010. pp. 55-59.
Pilot workload was examined during simulated flights requiring flight deck-based merging and spacing while avoiding weather. Pilots used flight deck tools to avoid convective weather and space behind a lead aircraft during an arrival into Louisville International airport. Three conflict avoidance management concepts were studied: pilot, controller or automation primarily responsible. A modified Air Traffic Workload Input Technique (ATWIT) metric showed highest workload during the approach phase of flight and lowest during the en-route phase of flight (before deviating for weather). In general, the modified ATWIT was shown to be a valid and reliable workload measure, providing more detailed information than post-run subjective workload metrics. The trend across multiple workload metrics revealed lowest workload when pilots had both conflict alerting and responsibility of the three concepts, while all objective and subjective measures showed highest workload when pilots had no conflict alerting or responsibility. This suggests that pilot workload was not tied primarily to responsibility for resolving conflicts, but to gaining and/or maintaining situation awareness when conflict alerting is unavailable.
© All rights reserved Ligda et al. and/or HFES
Battiste, Vernol, Johnson, Walter W., Johnson, Nancy H., Granada, Stacie and Dao, Arik-Quang (2007): Flight Crew Perspective on the Display of 4D Information for En Route and Arrival Merging and Spacing. In: Jacko, Julie A. (ed.) HCI International 2007 - 12th International Conference - Part II July 22-27, 2007, Beijing, China. pp. 541-550.
Battiste, Vernol and Downs, Michael (1995): Development of a Navigation/Situation Display to Improve Aerial Fire Fighting Safety and Efficiency. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1175-1179.
Aerial fire fighting is a high-risk, high-cost aviation environment. Normal aviation risks are magnified, sometimes significantly, by a number of factors. Over the years a number of accidents (mid-air collisions and controlled flight into terrain), near mid-air collisions, and other serious incidents involving fire fighting aircraft have occurred. The causes of these accidents or incidents have been primarily attributed to loss of situational awareness in the relatively unstructured aerial environment surrounding wildland fires. In an effort to improve safety and efficiency researchers at NASA Ames Research Center are working with aerial fire fighters to develop a standard phraseology, air space structure, and a navigation/situation display. This paper will focus on the results of an initial communication analysis, and will present a prototype airspace structure, and the preliminary design and evaluation of the navigation/situation display.
© All rights reserved Battiste and Downs and/or Human Factors Society
Hart, Sandra G. and Battiste, Vernol (1992): Field Test of Video Game Trainer. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 1291-1295.
A field study was conducted at the US Army Aviation Center to determine whether workload-coping and attention-management skills developed through structured video game experience would generalize to flight training. Three groups of 24 trainees were compared (1) One received 10 hours of training on an IBM-PC version of Space Fortress, replicating an earlier study; (2) The second played a commercial video game (Apache Strike) for 10 hours which also required tracking, monitoring, situation assessment, and memory; (3) The third matched group receive no game training. Flight school records were monitored during the next 18 mos to compare performance of the three groups during initial flight training. Check ride ratings began to show an advantage for the group trained with Space Fortress by the Instrument stage of training, as predicted. Furthermore, attrition rates were lower for this group, replicating the results of an earlier study conducted by Gopher (1990) in the Israeli Air Force Flight School.
© All rights reserved Hart and Battiste and/or Human Factors Society
Battiste, Vernol and Bortolussi, Michael (1988): Transport Pilot Workload: A Comparison of Two Subjective Techniques. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 150-154.
Although SWAT and NASA-TLX workload scales have been compared on numerous occasions, they have not been compared in the context of transport operations. Transport pilot workload has traditionally been classified as long periods of low workload with occasional spikes of high workload. Thus, the relative sensitivity of the scales to variations in workload at the low end of the scale were evaluated. This study was a part of a larger study which investigated workload measures for aircraft certification, conducted in a Phase II certified Link/Boeing 727 simulator. No significant main effects were found for any performance-based measures of workload. However both SWAT and NASA-TLX were sensitive to differences between high and low workload flights and to differences among flight segments. NASA-TLX (but not SWAT) was sensitive to the increase in workload during the cruise segment of the high workload flight. Between-subject variability was high for SWAT. NASA-TLX was found to be stable when compared in the test/retest paradigm. A test/retest by segment interaction suggested that this was not the case for SWAT ratings.
© All rights reserved Battiste and Bortolussi and/or Human Factors Society
Battiste, Vernol (1987): Part-Task vs. Whole-Task Training on a Supervisory Control Task. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 1365-1369.
The primary aim of training is to improve performance. Part-task training may be the more economical method, because full mission training simulators often cost more than the vehicles they simulate. However, the skills learned may not transfer effectively to performance of the complete task. This study investigated the effectiveness of Part-task training on the psychomotor portion of a supervisory control simulation. Twelve subjects were divided into Part-task and Whole-task groups and told to perform the task as quickly as possible. Part-task training was provided with the cursor-control device (a magnetic pen and pad), prior to transition to the Whole-task. Some distinct advantages of the Part-task training were: (1) The Part-task group learned the task faster; (2) The Part-task group's scores and task times continued to improve, while the Whole-task group's did not; and (3) A significant increase in speed of response for the Part-task group and almost no improvement in speed for the Whole-task group.
© All rights reserved Battiste and/or Human Factors Society
Hart, S. G., Battiste, Vernol, Chesney, M. A., Ward, M. M. and McElroy, M. (1987): Responses of Type A and Type B Individuals Performing a Supervisory Control Simulation. In: Salvendy, Gavriel, Sauter, Steven L. and Jr., Joseph J. Hurrell (eds.) Social, Ergonomic and Stress Aspects of Work with Computers, Proceedings of the Second International Conference on Human-Computer Interaction - Volume 1 August 10-14, 1987, Honolulu, Hawaii. pp. 67-74.
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