In psychology and cognitive science, confirmation bias is a tendency to search for or interpret new information in a way that confirms one's preconceptions and avoid information and interpretations which contradict prior beliefs. It is a type of cognitive bias and represents an error of inductive inference, or as a form of selection bias toward confirmation of the hypothesis under study or disconfirmation of an alternative hypothesis.
Confirmation bias is an area of interest in the teaching of critical thinking as the skill is misused if rigorous critical scrutiny is applied only to evidence challenging a preconceived idea but not to evidence supporting the same preconception.[1]
http://en.wikipedia.org/wiki/Confirmation_bias
I have found that RE people suffer from this. When you look at numbers ( you should look at your farm markets numbers a lot) do you pick out all the modalitys or just the ones that support your views/idea's? I have had to deprogram some of my thought proces to really see whats there. Most RE people tend to be " the glas is half full types". This conformation Bias is a liablity then. As you may overlook some details. Please reply with thoughts

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