La vitesse de défilement des barres de progression influence-t-elle la perception du temps d'attente?

  • Authors:
  • Guillaume Gronier;Carine Lallemand

  • Affiliations:
  • Centre de Recherche Public Henri Tudor, Luxembourg;Centre de Recherche Public Henri Tudor, Luxembourg

  • Venue:
  • 23rd French Speaking Conference on Human-Computer Interaction
  • Year:
  • 2011

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Abstract

This research focuses on the satisfaction and waiting times perceived by a user during the moments where the interaction between the user and the system is temporarily interrupted (file download, setup of a program, etc.). These waiting times are often sources of anxiety and irritation. They go usually with the presentation of an animated progress bar. The objective of this research is to study the impact of different variable-rate progress bars by varying the speed of scrolling. Thus, we are interested in the effects of acceleration and deceleration between progress bars positions. The results confirm the existence of a causal link between perception of waiting time and satisfaction. In addition, a progress bar with a decelerating speed is significantly more appreciated by the users. The results may provide valuable information for the design of computer interfaces.