Check out the following URL for more preposterous unsubstantiated Forester safety claims for his proprietary Effective Cycling "VC" Course. This Forester's manual for the Instructors of his miracle course.
http://www.johnforester.com/BTEO/ECIM5.pdf
See
Paragraph 4.2, Accident prevention
Forester, without a shred of evidence that his course has ever altered the behavior of a single student over any extended period, estimates Effective Cycling Courses would eliminate over 50% of all bicycling fatalities and reduce injuries by over 100,000.