1. Arhippainen L. & Tähti M. (2003). Empirical evaluation of user experience in two adaptive mobile application prototypes [Paper presentation]. Paper Presented at the Mum 2003. Proceedings of the 2nd International Conference on Mobile and Ubiquitous Multimedia Norrköping Sweden.
2. Boos, B., & Brau, H. (2017). Erweiterung des UEQ um die Dimensionen Akustik und Haptik. In S. Hess & H. Fischer (Eds.), Mensch und Computer 2017 – Usability Professionals. Gesellschaft für Informatik e.V.
3. Bründl S. Matt C. & Hess T. (2017 June 5–10). Consumer use of social live streaming services: The influence of co-experience and effectance on enjoyment [Paper presentation]. Paper presented at the Proceedings of the 25th European Conference on Information Systems (ECIS) Guimarães Portugal.
4. Field, A. (2013). Discovering statistics using IBM SPSS statistics. (4th ed.): Sage.
5. EGameFlow: A scale to measure learners’ enjoyment of e-learning games