> Tests and deadlines provide motivation to do the actual work. This is so true in my experience. As a young man I could listen to the lecture and say "Yeah, y

> Tests and deadlines provide motivation to do the actual work. This is so true in my experience. As a young man I could listen to the lecture and say "Yeah, yeah, I got this." and then try to work the homework problems and realize that no, I didn't really understand it. It is hard to force yourself to do the work if you don't have a negative externality for not doing it.