Interstices: Sustained Spatial Relationships between Hands and Surfaces Reveal Anticipated Action

Abstract : Our observations of landscape architecture students revealed a new phenomenon—interstices. Their bimanual interactions with a pen and touch surface involved various sustained hand gestures, interleaved between their regular commands. Positioning of the non-preferred hand indicates anticipated actions, including: sustained hovering near the surface; pulled back but still floating above the surface; and resting in their laps. We ran a second study with 14 landscape architect students which confirmed our observations, and uncovered a new interstice i.e. stabilizing the preferred hand while handwriting. We conclude with directions for future research and challenges for designers and researchers.
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Andrew Webb, Hannah Fowler, Andruid Kerne, Galen Newman, Jun-Hyun Kim, et al.. Interstices: Sustained Spatial Relationships between Hands and Surfaces Reveal Anticipated Action. CHI Conference on Human Factors in Computing Systems Proceedings, May 2019, Glasgow, United Kingdom. ⟨10.1145/3290605.3300818⟩. ⟨hal-02276959⟩

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