People’s tendency to proclaim events and outcomes as easily predictable after they have already occurred, as in politics, sporting events, and prophecies.
Example: “Well, of course the Eagles were going to win. There was no doubt in my mind.” –“But honey, last week you were so worried they would lose!”
Grinnell, R. (2009). Hindsight Bias. Psych Central. Retrieved on September 5, 2015, from http://psychcentral.com/encyclopedia/2009/hindsight-bias/