Designing for Mobile Devices: Requirements, Low-Fi Prototyping and Evaluation

  • Marco de Sá
  • Luís Carriço
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4551)


This paper describes the design process of a set of ubiquitous applications for critical scenarios (e.g., psychotherapy and education). Accordingly, we address the problems that occurred on the various design stages, particularly those that pertain to the mobility and ubiquity of the devices. Regarding these, we detail the various solutions that were adopted along the way, particularly on the data gathering and requirements’ assessment, prototyping and evaluation stages. We introduce a set of dimensions to the concept of context and how it is utilized on the design of mobile applications. We describe new prototyping techniques and explain how they improve usability evaluation. Overall, we aim to share the learnt lessons and how they can be used in mobile application’s design.


low-fidelity prototyping ubiquitous computing mobile devices usability evaluation 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Marco de Sá
    • 1
  • Luís Carriço
    • 1
  1. 1.LaSIGE & Department of Informatics, University of Lisbon, Edifício C6, Campo Grande, 1749-016, LisboaPortugal

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