Usability Engineering
Leveraging the Context of Use in Mobile Service Design
Mobile HCI '02 Proceedings of the 4th International Symposium on Mobile Human-Computer Interaction
Usability of a mobile, group communication prototype while rendezvousing
CTS'05 Proceedings of the 2005 international conference on Collaborative technologies and systems
Messaging design and beyond: learning from a user study on holiday greeting messages
Mobility '07 Proceedings of the 4th international conference on mobile technology, applications, and systems and the 1st international symposium on Computer human interaction in mobile technology
Learning to Text: An Interaction Analytic Study of How Seniors Learn to Enter Text on Mobile Phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Short Message Service (SMS) is a popular form of nonverbal mobile communication. To date, most research has focused upon the use of SMS by teenagers and young adults. Our work examines the use of SMS by middle-aged users. We conducted a usability study evaluating the ease of use or difficulties experienced by middle-aged individuals whilst engaging in text message objectives and SMS tasks, in each of two pre-determined scenarios. Participants used two different mobile phone handsets to perform their tasks while the usability of each handset was assessed with respect to SMS tasks. The experiment gave insights into the usability issues experienced by middle-aged users such as the clarity of on-screen menus, and the ability to follow the navigational input provided by the hardware design of the mobile phone handsets.