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Sherrie A. Jones

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Publications by Sherrie A. Jones (bibliography)

1994

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Kolasinski, Eugenia M., Jones, Sherrie A., Kennedy, Robert S. and Gilson, Richard D. (1994): Postural Stability and its Relation to Simulator Sickness. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. p. 980.

“The use of simulators as training devices has become widespread, especially in the military for pilot training. Although simulators provide an effective means of training pilots at a much reduced cost compared to actual flight, "simulator sickness" may result. Postural instability is one symptom of this sickness and a well-documented effect of simulator exposure. Postural stability is often measured before and after simulator exposure to determine decrements due to exposure. However, it does not appear that this measure is typically used as a predictor of sickness. The analysis reported in this poster attempts to determine if there is a relationship between postural stability and simulator sickness. Pre-exposure postural stability data and post-exposure simulator sickness data were collected from Navy pilots in conjunction with a training session in a helicopter simulator. These data were analyzed for relationships between postural stability and sickness. It was hypothesized that individuals who are less posturally stable will be more likely to experience simulator sickness or will experience more severe sickness. On the other hand, individuals who are more posturally stable will be less likely to experience simulator sickness or will experience less severe sickness. Several analytical techniques were attempted: Pearson correlation, Spearman correlation, Gamma and Lambda categorical methods, ANOVA, and Trend Analysis. Each technique evaluates a different aspect of the data and no one technique best represents the findings. Although clear, strong relationships have not been found, there is evidence suggesting that postural stability is associated with simulator sickness as hypothesized in this study. Further research with a more diverse population and different types of simulators, including virtual environments, is clearly warranted.”

1988

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Sheppard, Daniel J., Jones, Sherrie A., Westra, Daniel P. and Madden, Joyce J. (1988): Simulator Evaluation of Instructional and Design Features for Training Helicopter Shipboard Landing. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 1261-1265.

“The effects of four instructional issues and one simulator design feature for training helicopter shipboard landing on small ships were tested in the Vertical Take-off and Landing Simulator (VTOL) at the Visual Technology Research Simulator (VTRS), Naval Training Systems Center. They were: (1) field of view (VTRS versus a test field of view), (2) task chaining (segmented backward chaining versus whole task training), (3) augmented cueing (augmented cueing versus no augmented cueing), (4) length of training (18, 27, and 36 trials), and (5) the timing of seastate introduction (early versus late). The experiment utilized an in-simulator transfer-of-training paradigm in which pilots who were not proficient in the helicopter shipboard landing task were trained under one of several experimental conditions, then tested on the transfer condition (that represented maximum realism) in the simulator. Thirty-two pilots each completed a total of 54 trials (36 training, 18 transfer). Pilots were tested in the transfer condition (six trials) after their 18th, 27th, and 36th training trial. Of the experimental instructional issues, task chaining had the largest effect, with better performance in all segments of the task for pilots who were trained with the backward-chaining sequence, than for pilots who received whole task training. Augmented cueing did not yield the transfer performance anticipated. Seastate introduction had no effect on performance. Field of view had some marginal effects on vertical performance in the hover, with better performance for pilots who were trained with the combination VTRS field-of-view and backward-chaining. Results suggest a diminished rate of learning after 33 simulator trials (includes 27 training trials and six transfer trials of the first probe).”

1987

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Sheppard, Daniel J., Madden, Joyce and Jones, Sherrie A. (1987): Simulator Design Features for Helicopter Shipboard Landings. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 233-237.

“The Vertical Takeoff and Landing Simulator (VTOL) at the Naval Training Systems Center's (NTSC) Visual Technology Research Simulator (VTRS) was used to study the effects of simulator design features on pilot performance in helicopter shipboard landings. The research was designed to evaluate the effects of current design features on the SH-60B Operation Flight Trainer (OFT) used to train helicopter shipboard landing and four proposed simulator design modifications. These were: (1) scene detail (SH-60B OFT scene versus an upgraded VTRS scene), (2) field-of-view (VTRS wide versus a smaller SH-60B OFT field-of-view), (3) dynamic seat cueing (on versus off), and (4) dynamic inflow (standard rotor model available in existing trainers versus an updated rotor model). These factors were tested across two levels of seastate. On the basis of the factors studied in the experiment, the wider field-of-view, the more detailed scene and the rotor model, are recommended for use. The dynamic seat cueing evaluated in this study is not recommended at this time.”

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