for measuring the subjective consequences of intuitive use. Interdisciplinary College, 536. • Moser, C. (2012). User Experience Design: mit erlebniszentrierter Softwareentwicklung zu Produkten, die begeistern. Springer-Verlag. • Nielsen, J., & Molich, R. (1990). Heuristic evaluation of user interfaces. In Proceedings of the SIGCHI conference on Human factors in computing systems (pp. 249-256). New York: ACM. • Nielsen, J. (1995). 10 Usability Heuristics for User Interface Design. Verfügbar unter http://www.nngroup.com/articles/ten-usability-heuristics/ [05.06.2016]. • Nielsen, J. (2000). Why you only need to test with 5 Users. Zugriff am 30.03.2014 unter http://www.nngroup.com/articles/why-you-only-need-to-test-with-5-users/ • Norman, D. A. (2013). The design of everyday things: Revised and expanded edition. New York: Basic books. • Broschüre “Lautes Denken”, Projekt UseTree • Hurtienne, Jörn and Naumann, Anja (2010). QUESI - A questionnaire for measuring the subjective consequences of intuitive use. Interdisciplinary College 2010. Focus Theme: Play, Act and Learn. Sankt Augustin: Fraunhofer Gesellschaft, 539. 112