![]() Seipp, K., Devlin, K.: Landscape vs portrait mode: which is faster to use on your smart phone? In: Proceedings of the 15th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2013), pp. Restyandito, S., Kurniawan, E.: The effect of screen size and interaction style on mobile device usability. Association for Computing Machinery, New York, NY, USA, pp. In: Proceedings of the 8th Conference On Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2006). Parhi, P., Karlson, A., Bederson, B.: Target size study for one-handed thumb use on small touchscreen devices. Oehl, M., Sutter, C., Ziefle, M.: Considerations on efficient touch interfaces – how display size influences the performance in an applied pointing task. Nacher, V., Cáliz, D., Jaen, J., Martínez, L.: Examining the usability of touch screen gestures for children with Down syndrome. Jeong, H., Liu, Y.: Effects of touchscreen gesture’s type and direction on finger-touch input performance and subjective rating. Gao, Q., Sun, Q.: Examining the usability of touch screen gestures for older and younger adults. ![]() (eds.) Ubiquitous Computing and Ambient Intelligence. In: García, C.R., Caballero-Gil, P., Burmester, M., QuesadaArencibia, A. Ĭáliz, D., Alamán, X., Martínez, L., Cáliz, R., Terán, C., Peñafiel, V.: Examining the usability of touch screen gestures for elderly people. KeywordsĪsakawa, D., Dennerlein, J., Jindrich, D.: Index finger and thumb kinematics and performance measurements for common touchscreen gestures. Additionally, the participants feel more satisfied when using mobile devices in the portrait orientation. Younger adults have less number of errors than older adults. Portrait orientation has less number of errors than landscape orientation. Smartphone has less number of errors than tablet. Results revealed that screen size, device orientation and user’ age have significant effect on users’ number of errors. Task completion time, number of errors and satisfaction were used to measure usability. They used an app that was designed for the purpose of this experiment. The participants completed tasks covering the four gestures with the two screen sizes in both orientations. They were divided into two age groups (younger adults aged 23 to 46 years and older adults aged 47 to 66 years) with 10 females and 10 males in each age group. older adults) and for two gender groups (females vs. landscape), for two age groups (younger adults vs. tablet (large size)), for two different orientations of the mobile device (portrait vs. The objective of this study was to investigate whether the usability of the four major touchscreen gestures (tap, drag, zoom in and zoom out) would be different for two screen sizes (smartphone (small size) vs. ![]()
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