Towards safer number entry in interactive medical systems

  • Authors:
  • Patrick Oladimeji

  • Affiliations:
  • Swansea University, Swansea, United Kingdom

  • Venue:
  • Proceedings of the 4th ACM SIGCHI symposium on Engineering interactive computing systems
  • Year:
  • 2012

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Abstract

Number entry is prevalent in the use of many interactive medical systems and number entry interfaces vary in complexity. Currently, research on number entry is focused on the numeric keypad and its different layouts. There are alternatives to the numeric keypad in use in safety critical contexts such as hospitals. I have surveyed several number entry systems and propose properties that would help compare them. My research on this topic aims to understand the characteristics of the styles of these interfaces, focusing on their effects on number entry error, the severity of such errors and exploring possible design choices that can reduce or manage the errors. This research will uncover number entry interface design trade-offs that will help designers make informed decisions about the safety and dependability of number entry systems.