When I visited Shanghai a couple of years ago, I was taught to never, ever look directly at a car as the driver would take that as a "you've seen me, I can go first"-signal. Instead i was supposed to only sneak peeks at the traffic, never let them know I saw them coming, which would make them stop. I was only there for about three weeks so i can't really testify for the long term effectiveness, but at least I'm still here to share that anecdata, so there's something at least. :-)