Originally Posted by
mconlonx
Most riders who sign up for a class like that are either new riders or shaky/scared to be on the road. From basics like "Ride with traffic" to more complicated stuff like how to negotiate a traffic circle and "taking the lane," teaching how to negotiate roads on a bike correctly is demonstrably to me (personal anecdote time...

) more effective at making a cyclist safer on the roads than merely wearing a helmet.
OK got it. "Effectiveness" for you is a vague term without meaning and is
substantiated by anecdotal good feelings about undefined results.