Comparing two one-handed access methods on a PDA

  • Authors:
  • Lei Dong;Carolyn Watters;Jack Duffy

  • Affiliations:
  • Dalhousie University, Halifax, Nova Scotia, Canada;Dalhousie University, Halifax, Nova Scotia, Canada;Dalhousie University, Halifax, Nova Scotia, Canada

  • Venue:
  • Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
  • Year:
  • 2005

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Abstract

Users of mobile devices often need to use those devices in contexts which leave only one hand available for manipulating the device, such as holding another device or manual, walking or operating some machinery.In this paper we discuss the results of a comparison of the effectiveness, efficiency and preference users have for map navigation tasks on a PDA, where they are restricted to one handed use. One method uses a tilt sensor and touch screen and the other uses multifunction buttons and the touch screen.The results of this study indicate that neither method was significantly more effective (accurate), efficient, or preferred by the users for one handed manipulation of three maps. We did find indications, however, that the tilt method helped users create better cognitive overviews of the maps.