Research has shown that once
human beings commit to a belief,
they tend to employ the confirmation bias, in which they look for and find confirming
evidence in support of their belief, and ignore or rationalize away any disconfirming
evidence.
In one experiment participants were presented
with two types of evidence: one that contradicted a belief they
held deeply and the other with evidence that
supported those same beliefs. The results showed that the subjects recognized
the validity of the confirming evidence but were skeptical of the value of the
disconfirming evidence.
More tomorrow.
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