Determining the effect of menu element size on usability of mobile applications

Authors:
Shelly Welch;Si-Jung Kim
Affiliations:
Human-Computer Interactions Lab, School of Visual Arts & Design, University of Central Florida, Orlando, Florida;Human-Computer Interactions Lab, School of Visual Arts & Design, University of Central Florida, Orlando, Florida
Venue:
DUXU'13 Proceedings of the Second international conference on Design, User Experience, and Usability: web, mobile, and product design - Volume Part IV
Year:
2013

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Abstract

As smartphones gain more and more prominence in the life of the public and are increasingly used for daily tasks, the usability of mobile applications accessed through smartphones becomes a growing concern. This two-part study looks at the usability of such applications, focusing on how the size of menu elements affects the usability of mobile applications. In the first study, users were asked to complete an online questionnaire regarding their preferences in relation to smartphone use and mobile applications. In the second study, a non-parametric t-test was used to identify how the size of menu elements affects the usability of mobile applications. Users were asked to complete a specific task navigating two different prototype mobile applications by clicking specific menu options and answering questionnaires to document their experiences. The results of this study found increased element size does increase user preference and overall usability.