Interactive effects of age and interface differences on search strategies and performance

Jessie Chin, Wai-Tat Fu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present results from an experiment that studied the information search behavior of younger and older adults in a medical decision-making task. To study how different combination of tasks and interfaces influenced search strategies and decision-making outcomes, we varied information structures of two interfaces and presented different task descriptions to participants. We found that younger adults tended to use different search strategies in different combination of tasks and interfaces, and older adults tended to use the same top-down strategies across conditions. We concluded that older adults were able to perform mental transformation of medical terms more effectively than younger adults. Thus older adults did not require changing strategies to maintain the same level of performance.

Original languageEnglish (US)
Title of host publicationCHI 2010 - The 28th Annual CHI Conference on Human Factors in Computing Systems, Conference Proceedings
Pages403-412
Number of pages10
DOIs
StatePublished - 2010
Event28th Annual CHI Conference on Human Factors in Computing Systems, CHI 2010 - Atlanta, GA, United States
Duration: Apr 10 2010Apr 15 2010

Publication series

NameConference on Human Factors in Computing Systems - Proceedings
Volume1

Other

Other28th Annual CHI Conference on Human Factors in Computing Systems, CHI 2010
Country/TerritoryUnited States
CityAtlanta, GA
Period4/10/104/15/10

Keywords

  • age differences
  • cost-benefit analysis
  • interface affordance
  • knowledge structure
  • search strategies
  • web search

ASJC Scopus subject areas

  • Software
  • Human-Computer Interaction
  • Computer Graphics and Computer-Aided Design

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