A study was carried out to determine an optimal solution for presenting multiple interaction options on the limited space of a mobile device, e.g., a smartphone, taking into account the special situation of walking. We compared three different hierarchy models and a complex interaction editor which combines all the required interaction alternatives in one screen. Slow versus fast walking on a treadmill was introduced as an additional mobility condition. The results showed that menus with a hierarchy breadth of 4 or 8 to be suit best for walking. Flat hierarchies required longer time on task and led to fewer gaze changes per single interaction. The complex interaction editor triggered a high error count and a high task load level and therefore should be avoided while walking.
CITATION STYLE
Conradi, J., Nord, B., & Alexander, T. (2016). Interaction dialog design for the use of mobile devices while walking. In Advances in Intelligent Systems and Computing (Vol. 490, pp. 157–165). Springer Verlag. https://doi.org/10.1007/978-3-319-41697-7_15
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