“Confirmation bias, a phrase coined by English psychologist Peter Wason, is the tendency of people to favor information that confirms or strengthens their beliefs or values and is difficult to dislodge once affirmed. Confirmation bias (or confirmatory bias) has also been termed myside bias.” - Wikipedia
If you were one of the many who believed in the Dallas Cowboys before their mollywhomping at the hands of the Green Bay Packers, well, that definition explains a lot about why you are so shell-shocked. No one saw this coming. We looked at the numbers and thought this was going to be a fairly easy first step on the way to a deep playoff run.