Abstract
3D gestural input technology has the ability to expand human-computer interaction (HCI) beyond traditional input modalities. It is known that context and domain expertise are influential to gesture development, but there is little known about other individual factors such as workload and exposure. Therefore, the objective of this work is to explore the effects of workload and exposure on intuitive gesture choice and reaction time under a general HCI context. A longitudinal study was conducted to investigate the differences in intuitive mappings for high and low workload conditions as well as across three separate experimental sessions. There were no differences in the intuitive mappings for either workload conditions or different experimental sessions. However, there was a difference in reaction times between all experimental sessions indicating there was a learning effect from the first to the last session in that the participants became faster in generating intuitive mappings.
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