Thursday, April 17, 2008

Preconceived Beliefs

From Divided They Fall by Nicholas D. Kristof:

Another challenge is the biased way in which we gather information. We seek out information that reinforces our prejudices. One study presented listeners with static-filled recordings of speeches that they believed they were judging on persuasive power. Listeners could push a button to tweak the signal, reducing the static to make it easier to understand. When smokers heard a speech connecting tobacco with cancer, they didn’t try to improve the clarity to hear it more easily. But they pushed the button to get a clearer version of a speech saying that there was no link between smoking and cancer. Nonsmokers were the exact opposite.

This resistance to information that doesn’t mesh with our preconceived beliefs afflicts both liberals and conservatives, but a raft of studies shows that it is a particular problem with conservatives. For example, when voters receive mailings offering them free pamphlets on various political topics, liberals show some interest in getting conservative views. In contrast, conservatives seek only those pamphlets that echo their own views.

Likewise, liberal blogs overwhelmingly link to other liberal blogs or news sources. But with conservative blogs, the tendency is much more pronounced; it is almost a sealed universe.

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