Adding a Teacher Between TA and Professor

Adding a Teacher Between the TA and the Professor 1

Randy Lyhus for The Chronicle

If you've ever taken or taught an introductory science course in college, you will recognize this scenario: The professor stands at the front of a large auditorium, lecturing to hundreds of students, only some of whom are actually paying attention. Sometime later (maybe much later), in a building across the campus, a teaching assistant oversees a lab that sports only the thinnest connection to the lecture.

It's a disjointed, tag-team teaching method that