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Augmenting Audio Messages with Visual Directions in Mobile Guides: an Evaluation of Three Approaches
Authors: Chittaro L., Burigat S.
Published in: Proceedings of MOBILE HCI 2005: 7th International Conference on Human-Computer Interaction with Mobile Devices and Services, ACM Press, New York, September 2005, pp. 107-114.
Abstract: Supporting users’ navigation is a fundamental feature of mobile guides. This paper presents an experimental evaluation comparing three different ways of providing navigation guidance by combining visual and audio directions during guided city tours. The three considered solutions differ in the way audio directions are augmented with visual directions: a traditional map-based solution, a combination of a map and photographs of the area, a combination of large arrows and photographs. The results of our evaluation show that when the map is combined with photographs that clearly indicate the direction to the user or when the map is replaced by a combination of directional arrows and photographs, users’ performance is significantly better. Moreover, the combination of map and photographs was highly preferred by users.
Copyright: © ACM Press 2005. The Authors retain the right to post their own author-versions of preprints and revisions, including versions covered by ACM copyright but not versions downloaded from the ACM Digital Library, in a personal collection on their own or thier employer's server; such copies must be limited to noncommercial distributions and personal use by others and the ACM copyright notice must be attached.