Cognitive Conflict in Forum Discussions on Scientific Topics. - Jürgen Buder; Brett Buttliere; Anne Ballmann (ICCE, 2015)

Pauses in educational videos: Testing the transience explanation against the structuring explanation. - Martin Merkt; Anne Ballmann; Julia Felfeli; Stephan Schwan (Comput. Hum. Behav., 2018)