Users can be involved in the development of digital products by testing their usability. If this is a new mobile application (app) to be developed for the Humboldt-Universität zu Berlin, current requirements for barrier-free accessibility should be considered. These are based on legal requirements, a specific need of the target group and the graphic possibilities of the design. Due to the complexity in terms of functionality, special requirements are placed on the design of this interface between people and a system. The creation of a mobile app is specified with a focus on the service interfaces to be developed. In order to avoid problems with the intended form of use, user-centered development serves to uncover these weak points.
In this work, a usability test was used to further develop the graphical user interfaces under development. Based on a preliminary study using further qualitative methods, among others with experts, these first results could be used as a basis. The basic principles have been considered and known problems have already been ironed out. The aim was to determine the specific needs of students in relation to a university app in order to optimize the user interface for their use. For the evaluation, a digital prototype was created as the object of investigation. Based on the data collection, an evaluation of the results and the conclusions drawn, recommendations for the further procedure of a user-centered development of the app for the Humboldt-Universität zu Berlin were derived.
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