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As the popularity of Smart Televisions (TVs) and interactive Smart TVapplications (apps) has recently grown, the usability of these apps has becomean important quality characteristic. Previous studies examined Smart TV appsfrom a usability perspective. However, these methods are mainly manual, and thepotential of automated model-based testing methods for usability testingpurposes has not yet been fully explored. In this paper, we propose an approachto test the usability of Smart TV apps based on the automated generation of aSmart TV user interaction model from an existing app by a specialized automatedcrawler. By means of this model, defined user tasks in the Smart TV app can beevaluated automatically in terms of their feasibility and estimated usereffort, which reflects the usability of the analyzed app. This analysis can beapplied in the context of regular users and users with various specific needs.The findings from this model-based automated analysis approach can be used tooptimize the user interface of a Smart TV app to increase its usability,accessibility, and quality.

Testing the Usability and Accessibility of Smart TV Applications Using an Automated Model-based Approach