Think big - for small - infusing confidence, security and trustworthiness for mobile services

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The use of mobile telephony has over the past years increased and consequently has the development of services over the mobile phone also increased. This semester we have taken part in a large system development project, our contributions have been designing the graphical user interfaces. In doing that we found the problem with how to mediate trust to a user through a graphical user interface interesting. In this thesis we are focusing on how to develop graphical user interfaces for a mobile phone service that radiate and infuse confidence, security and trustworthiness. In order to attain the purpose, we have used the combination of literature studies and to some extent user involvement with Mock-ups and a Think-aloud technique. We are also describing the importance of taking as well usability and usability goals as the needs for the end users into consideration. We have found that more research on how to radiate and infuse trust through a graphical user interface is needed. This thesis is concluded with some aspects on that subject that we think is important to have in mind. It is of great importance to never leave the user in a state of uncertainty and therefore is clear, sincere and informative feedback necessary throughout the service. Also ce...