I once met a teacher with an American teaching background. She used a work form in her MA lectures (3 hours!) of which I was initially very skeptical. The group was large (too large) and consisted of 60-70 people. The entire first hour was filled in by about 9 students who were given complete freedom to devise ways of working that allowed all students to process the curriculum for that week. The result was a huge variety of teaching methods, not always a substantial depth of content, a lot of laughter and sometimes substantive intervention was necessary. It was very interesting what it did with the attitude of the students: the organizers of the week put a lot of time and thought into it, the other students were well prepared, almost everyone was very active and involved during the lesson. Although the information density was not great, my view of the importance of autonomy in these learning processes did change. In particular, total freedom, instead of partial freedom, had an interesting effect on the group.