PASR is a total method. It revolves around PRICE ACTION at SUPPORT and RESISTANCE.
It is not just PRICE bouncing off SUPPORT and going to RESISTANCE or vice versa. It is about WATCHING what PRICE does at these important PRICE levels.
Read this awesome topic on ForexFactory to learn more.
Here is a short video explaining the basics of PASR: http://www.screencast.com/t/c7h0VTMRT
Good luck and happy trading.