Originally Posted by Helmet Head

For example, consider giving them points as follows depending on what they notice:

1. A green Accord - 10 points
2. A nun - 15 points.
3. A cow - 20 points
4. A tractor 10 points
5. A mailbox - 15 points
6. A female pedestrian or jogger - 20 points
7. A male pedestrian or jogger - 10 points
8. Any bicyclist - 1 point

In other words, a list of things that will keep them busy, and you still measure how soon they notice each (relatively unimportant) cyclist, and correlate that with whether they are in a bike lane, shoulder, margin of a wide lane, or in the driver's path. Huh. That might work.