http://chronicle.com/img/photos/biz/profhacker-45.pngBy . We never teach the same course twice. Some of the changes are out of our control: new students, new classroom, new time. A move from early morning to late at night can change the whole feel of a topic, while a group of students with strong camaraderie might take on collaborative assignments very differently from a group that includes many non-traditional students or a range of disciplines. Read more...