An additional possibility would be measuring the background knowledge students have and are comfortable with so it can be better matched up with each course. T

An additional possibility would be measuring the background knowledge students have and are comfortable with so it can be better matched up with each course. The thing is, all of these speculations bear empirical confirmation. We have to see what works best in the wild and there will be a coevolution of student behavior, teaching strategies, and companies in the space.