Future flight decks: impact of +Gz on touchscreen usabilityTools Avsar, Huseyin, Fischer, Joel E. and Rodden, Tom (2016) Future flight decks: impact of +Gz on touchscreen usability. In: International Conference on Human-Computer Interaction in Aerospace (HCI-Aero '16), 14-16 September 2016, Paris, France. (In Press) Full text not available from this repository.AbstractFuture flight deck designs from various avionics manufacturer incorporate touchscreen technology. There is little published research investigating the impact of inflight vibrations and increased G-Force (+Gz) on touchscreen usability. A Fitts’ law experiment was conducted to understand the effect of +Gz on touchscreen usability. 2-Gz and 3-Gz conditions were simulated with a weight-adjustable wristband. Empirical results and subjective ratings showed a large impact of +Gz on performance and fatigue indices. While the simulated +Gz increased linearly, throughput decreased exponentially, and movement time increased exponentially. This was also reflected by subjective ratings across all conditions. Findings suggest to transfer the experimental setting into a more realistic environment (human centrifuge) where ecological validity can be achieved.
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