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PERFORMANCE EVALUATION FOR TOUCH-BASED INTERACTION OF OLDER ADULTS

PERFORMANCE EVALUATION FOR TOUCH-BASED INTERACTION OF OLDER ADULTS SIGACCESS Newsletter Issue 111 January 2015 PERFORMANCE EVALUATION FOR TOUCH-BASED INTERACTION OF OLDER ADULTS Afroza Sultana School of Information Studies, McGill University Montreal, QC, Canada afroza.sultana@mail.mcgill.ca Abstract Understanding target acquisition tasks is particularly important for older adults aged 65 years and older, as some may find touch-based interfaces more challenging due to age-related declines in motor skills. This work aims to develop novel performance evaluation measures that can assess touch-based target selection difficulties of older adults. In addition, this study intends to explore real life unconstrained target selection tasks trajectories that are collected for a longer period of time to develop such performance evaluation measures. Introduction Technology can assist older adults to carry out their daily activities, independently and socially, both inside and outside of their houses [23, 24]. However, the declined cognitive and motor functionalities due to aging can hinder the successful usage of modern technology [4]. Many older adults experience age-related motor declines that can lead to frequent selection errors while aiming at targets (e.g. buttons, or hyperlinks) on touch-screen devices, such as smartphones and tablets [12]. These errors may trigger the loading of unwanted and costly-toload programs, or the loss of inputs (e.g., on a http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM SIGACCESS Accessibility and Computing Association for Computing Machinery

PERFORMANCE EVALUATION FOR TOUCH-BASED INTERACTION OF OLDER ADULTS

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Publisher
Association for Computing Machinery
Copyright
Copyright © 2015 by ACM Inc.
ISSN
1558-2337
DOI
10.1145/2809904.2809913
Publisher site
See Article on Publisher Site

Abstract

SIGACCESS Newsletter Issue 111 January 2015 PERFORMANCE EVALUATION FOR TOUCH-BASED INTERACTION OF OLDER ADULTS Afroza Sultana School of Information Studies, McGill University Montreal, QC, Canada afroza.sultana@mail.mcgill.ca Abstract Understanding target acquisition tasks is particularly important for older adults aged 65 years and older, as some may find touch-based interfaces more challenging due to age-related declines in motor skills. This work aims to develop novel performance evaluation measures that can assess touch-based target selection difficulties of older adults. In addition, this study intends to explore real life unconstrained target selection tasks trajectories that are collected for a longer period of time to develop such performance evaluation measures. Introduction Technology can assist older adults to carry out their daily activities, independently and socially, both inside and outside of their houses [23, 24]. However, the declined cognitive and motor functionalities due to aging can hinder the successful usage of modern technology [4]. Many older adults experience age-related motor declines that can lead to frequent selection errors while aiming at targets (e.g. buttons, or hyperlinks) on touch-screen devices, such as smartphones and tablets [12]. These errors may trigger the loading of unwanted and costly-toload programs, or the loss of inputs (e.g., on a

Journal

ACM SIGACCESS Accessibility and ComputingAssociation for Computing Machinery

Published: Jan 29, 2015

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