The feedback cycle in software is much shorter. A bad coder will be obvious after a couple of weeks because his code doesn't perform its function correctly. Wit

The feedback cycle in software is much shorter. A bad coder will be obvious after a couple of weeks because his code doesn't perform its function correctly. With a teacher it might be years beofre they have noticeable effect on their student's and even then noone can agree what the students should have learnt and how to test them.