Originally Posted by GGDub
What determines that the instructor of these courses is competent to teach them?
What determines a SCUBA, driver, or parenting instructor is competent?
Proven and time-tested instructor certification programs.
The EC-based systems, including CANBIKE, have been around for a few decades. It's all we've got. That, and our own judgment when we take the courses.
Finally, this stuff is not rocket science. But some of it is contrary to many "common sense" notions about how cycling should done in traffic in our culture.