The question, dear Horatio, is how often do you change your course material? Textbooks come out with new editions seemingly every year (or bi-annually at the very least) but to those of us in the trenches, the ability to revisit our lesson plans is limited...
course materials
One of the schools I teach for originally had a canned curriculum from which all instructors taught . The content was good overall and obviously written by professionals. There were.
