The tendency to rationalize preconceived ideas and not look for disconfirming evidence.

The human understanding when it has once adopted an opinion 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 conclusion may remain inviolate.
- Francis Bacon


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Described in 'Decision Traps', by Edward Russo and Paul Schoemaker:


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