Correspondent Inference Theory

Interesting piece from Schneier, especially as it applies to our perception of terrorism(and ease of manipulation).

Correspondent Inference Theory
Two people are sitting in a room together: an experimenter and a subject. The experimenter gets up and closes the door, and the room becomes quieter. The subject is likely to believe that the experimenter's purpose in closing the door was to make the room quieter.
This is an example of correspondent inference theory. People tend to infer the motives -- and also the disposition -- of someone who performs an action based on the effects of his actions, and not on external or situational factors. If you see someone violently hitting someone else, you assume it's because he wanted to -- and is a violent person -- and not because he's play-acting. If you read about someone getting into a car accident, you assume it's because he's a bad driver and not because he was simply unlucky. And -- more importantly for this column -- if you read about a terrorist, you assume that terrorism is his ultimate goal.(Link)