I recently came across a post on the Victor Niederhoffer Blog about the concept of Confirmatory Bias. I shall reprint the standard quote from Sir Francis Bacon that is used in much of the literature on this subject: "The human understanding when it has once adopted an opinion (either as being the received opinion or as being agreeable to itself) draws all things else to support and agree with it. And though there be a greater number and weight of instances to be found on the other side, yet these it either neglects and despises, or else by some distinction sets aside and rejects; in order that by this great and pernicious predetermination the authority of its former conclusions may remain inviolate..." After searching further, I came across a paper published in the Review of General Psychology in 1998 authored by Raymond S....
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