WASHINGTON POST: Liberals and conservatives have access to the same information, yet they hold wildly incompatible views on issues ranging from global warming to whether the president was born in the United States to whether his stimulus package created any jobs. But it’s not just that: Partisanship creates stunning intellectual contortions and inconsistencies. Republicans today can denounce a health-care reform plan that’s pretty similar to one passed in Massachusetts by a Republican — and the only apparent reason is that this one came from a Democrat…
Now consider anoth..er related trait implicated in our divide over reality: the “need for cognitive closure.” This describes discomfort with uncertainty and a desire to resolve it into a firm belief. Someone with a high need for closure tends to seize on a piece of information that dispels doubt or ambiguity, and then freeze, refusing to consider new information. Those who have this trait can also be expected to spend less time processing information than those who are driven by different motivations, such as achieving accuracy.
A number of studies show that conservatives tend to have a greater need for closure than do liberals, which is precisely what you would expect in light of the strong relationship between liberalism and openness. “The finding is very robust,” explained Arie Kruglanski, a University of Maryland psychologist who has pioneered research in this area and worked to develop a scale for measuring the need for closure.… (more)
