Older user errors in handheld touchscreen devices: To what extent is prediction possible?

Michael Bradley*, Patrick Langdon, P. John Clarkson

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

13 Citations (Scopus)

Abstract

Touchscreen technology has been shown to offer advantages to older and novice users of digital products, through the relative ease of learning the interaction mechanisms and flexibility of the interface to provide explicit and contextual labelling enabling task sequences to be executed. Interaction problems caused by age related changes in sensory perception, cognition and motor skills are able to be predicted using the Inclusive Design Toolkit, however this technique is unable to predict usage problems caused by lack of prior experience of digital interaction patterns. This paper reports on the 'errors' that older users made in a pilot study using a tablet touchscreen device in the course of completing tasks such as turning the device on, setting an alarm and sending an email. An initial classification of the problems encountered by the users is made and the potential for prediction of such errors is discussed.

Original languageEnglish
Title of host publicationUniversal Access in Human-Computer Interaction
Subtitle of host publicationUsers Diversity - 6th International Conference, UAHCI 2011, Held as Part of HCI International 2011, Proceedings
Pages131-139
Number of pages9
EditionPART 2
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event6th International Conference on Universal Access in Human-Computer Interaction, UAHCI 2011, Held as Part of HCI International 2011 - Orlando, FL, United States
Duration: 9 Jul 201114 Jul 2011

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume6766 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference6th International Conference on Universal Access in Human-Computer Interaction, UAHCI 2011, Held as Part of HCI International 2011
Country/TerritoryUnited States
CityOrlando, FL
Period9/07/1114/07/11

Keywords

  • errors
  • older users
  • prior experience
  • Touchscreen
  • usability

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