example of backward conditioning, not the one pavlov and watson gave.

You should get some ideas if you read, read, read:

http://www.google.com/search?sourceid=navclient&aq=&oq=backward+conditioning&ie=UTF-8&rlz=1T4VRHB_enUS648US649&q=backward+conditioning&gs_l=hp...0l3j0i22i30l2.0.0.0.6341...........0.Ef0VVw1M5CA