Take this test..

[sixdogsmom]

I must admit that when they switched from visual to audio, I got a little confused, I may have missed two that I didn't need to miss. Oh well, I should have been paying better attention. 

[larryJ]

16 out of 20

Larryj

[painted]

19 out of 20. ( Lucky guess )

[Ms Bear]

15 of 20, not to good.

[Judy Harder]

13 out of 20. Kept missing the fancy cars. oh well. they said I was savvy. guess that is a good thing.

[Warph]

2 out of 40... I took it twice.

....Warph