Higher usability
From the survey, we identify two issues as particularly inconvenient: Autonomously finding a partner and the limited access to MC-Duell via the university's intranet. We also assume that the rigid schedule contributed to dropouts. These circumstances lower the flexibility in MC-Duell and diminish enjoyment. It is possible that these external restrictions left students’ need for autonomy unfulfilled and thus decreased the intrinsic motivation. We investigated how other studies increased usability. Worm and Buch renounced real-time matches [