The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.
Cognitive Dissonance
Notice: narrative focuses on data that supports the core story. Consider alternative interpretations and contradictory evidence.

Sub-types: Biased Search, Biased Interpretation, Biased Recall. Unlike Desirability Bias (believing what we want to be true), Confirmation Bias supports what we already believe, even if it is negative.
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