"Cognitive-dissonance is just one of many biases that work in our everyday lives. We don’t like to believe that we may be wrong, so we may limit our intake of new information or thinking about things in ways that don’t fit within our pre-existing beliefs. Psychologists call this “confirmation bias.”
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Yes I have noticed even on this site that some are prone to that, that Skado fellow, now he is probably the prime example.
See my last.
The Evolution of Belief