Improving Users’ Consistency When Recalling Location Sharing Preferences

  • Jayant Venkatanathan
  • Denzil Ferreira
  • Michael Benisch
  • Jialiu Lin
  • Evangelos Karapanos
  • Vassilis Kostakos
  • Norman Sadeh
  • Eran Toch
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6946)

Abstract

This paper presents a study of the effect of one instance of contextual cues, trajectory reminders, on the recollection of location sharing preferences elicited using a retrospective protocol. Trajectory reminders are user interface elements that indicate for a particular location of a person’s trail across a city the locations visited before and after. The results of the study show that reminding users where they have been before and after a specific visited location can elicit more consistent responses in terms of stated location sharing preferences for that location visit. This paper argues that trajectory reminders are useful when collecting preference data with retrospective protocols because they can improve the quality of the collected data.

Keywords

Location sharing preferences consistency retrospective protocols 

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Copyright information

© IFIP International Federation for Information Processing 2011

Authors and Affiliations

  • Jayant Venkatanathan
    • 1
  • Denzil Ferreira
    • 1
  • Michael Benisch
    • 2
  • Jialiu Lin
    • 2
  • Evangelos Karapanos
    • 1
  • Vassilis Kostakos
    • 1
  • Norman Sadeh
    • 2
  • Eran Toch
    • 2
  1. 1.Madeira Interactive Technologies InstituteUniversity of MadeiraPortugal
  2. 2.School of Computer ScienceCarnegie Mellon UniversityUSA

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