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Age-related differences in processing visual device and task characteristics when using technical devices.

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Title: Age-related differences in processing visual device and task characteristics when using technical devices.
Authors: Oehl, M.1 oehl@uni.leuphana.de, Sutter, C.2 Christine.Sutter@psych.rwth-aachen.de
Source: Applied Ergonomics. May2015, Vol. 48, p214-223. 10p.
Subjects: Age differences, Feedback control systems, Touch screen interfaces, Productive life span, Level of difficulty, Information processing
Abstract: With aging visual feedback becomes increasingly relevant in action control. Consequently, visual device and task characteristics should more and more affect tool use. Focussing on late working age, the present study aims to investigate age-related differences in processing task irrelevant (display size) and task relevant visual information (task difficulty). Young and middle-aged participants (20–35 and 36–64 years of age, respectively) sat in front of a touch screen with differently sized active touch areas (4″ to 12″) and performed pointing tasks with differing task difficulties (1.8–5 bits). Both display size and age affected pointing performance, but the two variables did not interact and aiming duration moderated both effects. Furthermore, task difficulty affected the pointing durations of middle-aged adults moreso than those of young adults. Again, aiming duration accounted for the variance in the data. The onset of an age-related decline in aiming duration can be clearly located in middle adulthood. Thus, the fine psychomotor ability “aiming” is a moderator and predictor for age-related differences in pointing tasks. The results support a user-specific design for small technical devices with touch interfaces. [ABSTRACT FROM AUTHOR]
Copyright of Applied Ergonomics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Age-related differences in processing visual device and task characteristics when using technical devices.
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  Data: <searchLink fieldCode="AR" term="%22Oehl%2C+M%2E%22">Oehl, M.</searchLink><relatesTo>1</relatesTo><i> oehl@uni.leuphana.de</i><br /><searchLink fieldCode="AR" term="%22Sutter%2C+C%2E%22">Sutter, C.</searchLink><relatesTo>2</relatesTo><i> Christine.Sutter@psych.rwth-aachen.de</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Ergonomics%22">Applied Ergonomics</searchLink>. May2015, Vol. 48, p214-223. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Age+differences%22">Age differences</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Touch+screen+interfaces%22">Touch screen interfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Productive+life+span%22">Productive life span</searchLink><br /><searchLink fieldCode="DE" term="%22Level+of+difficulty%22">Level of difficulty</searchLink><br /><searchLink fieldCode="DE" term="%22Information+processing%22">Information processing</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: With aging visual feedback becomes increasingly relevant in action control. Consequently, visual device and task characteristics should more and more affect tool use. Focussing on late working age, the present study aims to investigate age-related differences in processing task irrelevant (display size) and task relevant visual information (task difficulty). Young and middle-aged participants (20–35 and 36–64 years of age, respectively) sat in front of a touch screen with differently sized active touch areas (4″ to 12″) and performed pointing tasks with differing task difficulties (1.8–5 bits). Both display size and age affected pointing performance, but the two variables did not interact and aiming duration moderated both effects. Furthermore, task difficulty affected the pointing durations of middle-aged adults moreso than those of young adults. Again, aiming duration accounted for the variance in the data. The onset of an age-related decline in aiming duration can be clearly located in middle adulthood. Thus, the fine psychomotor ability “aiming” is a moderator and predictor for age-related differences in pointing tasks. The results support a user-specific design for small technical devices with touch interfaces. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Applied Ergonomics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Age differences
        Type: general
      – SubjectFull: Feedback control systems
        Type: general
      – SubjectFull: Touch screen interfaces
        Type: general
      – SubjectFull: Productive life span
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      – SubjectFull: Level of difficulty
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      – SubjectFull: Information processing
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              Text: May2015
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