Self-serving cognitions are a funny thing. We give ourselves the praise when something goes right even if we had no control over the outcome, yet when things go wrong it's everyones fault but ourselves and we don't even notice when we do this (Mezulis et al., 2004; Schlenker et al., 1990; Pronin et al., 2004)! We even go so far as to make predictions about the outcome of an event, and when our predictions are right we think that we influenced that outcome even though it is impossible that we had any impact at all (Pronin et al., 2006). When I think of things that I think that I have some influence over when really I have none at all one bright example comes to mind. I've watched Cowboys football since I was old enough to be set in front of a tv. When the Cowboys start to get down and aren't playing up to par, I put on my Marion Barber jersey and I am fully convinced that because of that jersey their game gets better. Obviously, there is no possible way that me wearing my jersey in Georgetown, TX could effect the play of the players in Irving, TX but I KNOW that if I don't put on that jersey they're going to loose. Of course, when they do start playing better I take the credit and say things like "its a good thing I put my jersey on," and other ridiculous statements. Its funny because the Cowboys are a second half team so the improvement is due to the fact that they get better as the game progresses which is of course a perfectly logical explanation. All I know is I'm still wearing that jersey every game just in case :)
References:
Mezulis, A., Abramson, L., Hyde, J., & Hankin, B. (2004). Is there a universal positivity bias in attributions? A meta-analytic view of individual, developmental, and cultural differences in the self-serving attributional bias. Psychology Bulletin, 130, 711-747.
Pronin, E., Steele, C., & Ross, L. (2004). Objectivity in the eye of the beholder: Divergent perceptions of bias in self versus others. Psychological Review, 111, 781-799.
Pronin, E., Wegner, D., McCarthy, K. & Rodriguez, S. (2006). Everyday magical powers: The role of apparent mental causation in the overestimation of personal influence. Journal of Personality and Social Psychology, 91, 218-231.
Schlenker, B., & Trudeau, J. (1990). The impact of self-presentation on private self-beliefs: Effects of prior self-beliefs on misattribution. Journal of Personality and Social Psychology, 58, 22-32.