Better Understanding of Foot Gestures: An Elicitation Study
Yasmin Felberbaum, Joel Lanir
CHI '18: ACM CHI Conference on Human Factors in Computing Systems
Session: Body Gestures and Body Displays
Abstract
We present a study aimed to better understand users’ perceptions of foot gestures employed on a horizontal surface. We applied a user elicitation methodology, in which participants were asked to suggest foot gestures to actions (referents) in three conditions: standing up in front of a large display, sitting down in front of a desktop display, and standing on a projected surface. Based on majority count and agreement scores, we identified three gesture sets, one for each condition. Each gesture set shows a mapping between a common action and its chosen gesture. As a further contribution, we suggest a new measure called specification score, which indicates the degree to which a gesture is specific, preferable and intuitive to an action in a specific condition of use. Finally, we present measurable insights that can be implemented as guidelines for future development and research of foot interaction.
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