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Centre for Policy on Ageing | |
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Young vs old - landscape vs portrait
— a comparative study of touch gesture performance | | Author(s) | Linda Wulf, Markus Garaschall, Michael Klein, Manfred Tscheligi |
| Journal title | Journal of Assistive Technologies, vol 9, no 3, 2015 |
| Publisher | Emerald, 2015 |
| Pages | pp 136-146 |
| Source | www.emeraldgrouppublishing.com/jat.htm |
| Keywords | Information technology ; Computers ; Learning capacity ; Competence ; Ageing process ; Young people ; Middle aged ; Comparison. |
| Annotation | In recent years touch interactions have been widely applied in public kiosk systems as well as mobile and tablet devices. It has been shown that touch interaction devices have a high potential for adoption by novice users in general and particularly by older adults with little or no ICT experience. Tablet devices in particular have the potential to reach older adults and hence minimise the digital divide. The purpose of this paper was to gain deeper insights into performance differences of younger and older users when performing touch gestures, as well as the influence of tablet device orientation (portrait vs landscape). The authors performed a comparative study involving 20 younger (25-45 years) and 20 older participants (65-85 years). Each participant executed six gestures with each device orientation. Age was set as a between-subject factor. The dependent variables were task completion time and error rates (missed target rate and finger lift rate). To measure various performance characteristics, the authors implemented an application for the iPad that logged completion time and error rates of the participants when performing six gestural tasks _ tap, drag, pinch, pinch-pan, rotate left and rotate right _ for both device orientations. The results showed a significant effect of age on completion time and error rates. Means revealed faster completion times and lower error rates for younger users than for older users. In addition a significant effect of device orientation on error rates could be stated. Means showed higher error rates for portrait orientation than for landscape orientation. Qualitative results revealed a clear preference for landscape orientation in both age groups and a lower acceptance of rotation gestures among older participants. In this study the authors were able to show the importance of device orientation as an influencing factor on touch interaction performance, indicating that age is not the exclusive influencing factor. (JL). |
| Accession Number | CPA-151002208 A |
| Classmark | UVB: 3O: DE: DPB: BG: SB: SE: 48 |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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