Using Field Experiments to Evaluate Mobile Guides

Abstract

This paper discusses the experimental evaluation of location-based services, such as mobile guides, in the field. It identifies advantages and disadvantages of using such field experiments over and against other evaluation methods. We then describe a specific method of running field experiments that we have found to be useful. The use of various evaluation measures, tools and scales is then discussed, based on our experiences with them. These include timings, errors, perceived workload, distance travelled and percentage preferred walking speed (PPWS).

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BibTeX citation

@InProceedings{good*04d,
  author = "Joy Goodman and Stephen Brewster and Phil Gray",
  title = "Using Field Experiments to Evaluate Mobile Guides",
  booktitle = "HCI in Mobile Guides, workshop at Mobile HCI 2004",
  year = 2004,
  editor = "Schmidt-Belz, B. and Cheverst, K.,",
  address = "Glasgow, UK",
  month = Sep"}