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The Sciences

Facts Don't Persuade Climate Skeptics--So What Does?

The IntersectionBy Chris MooneySeptember 14, 2011 7:54 PM

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The answer, according to a new study, is making them feel better about themselves. As I report:

...the contested issues under examination were whether the 2007 troop “Surge” decreased insurgent attacks in Iraq (it did), whether the U.S. economy added jobs during 2010 under President Obama (it did), and whether global average temperatures have risen since 1940 (they have). Those who opposed the Iraq war and supported troop withdrawals were disinclined to credit George W. Bush’s surge with having worked. Those who oppose President Obama are disinclined to credit him on the economy, or to generally believe in global warming—especially that it is human caused. Nyhan and Reifler once again confronted partisans with information on these subjects that (presumably) contradicted their beliefs—but there was a twist. This time, the contradictory information was sometimes presented in the form of a convincing graph, showing a clear trend (in attacks, jobs, or temperatures). And second, sometimes the individuals went into the manipulation after having undergone a “self-affirmation” exercise, in which they were asked to describe a positive character attribute or value that they possessed, and a situation in which showing that attribute or trait made them feel good about themselves. And in both cases, the manipulation worked—although by different means. Presenting an unequivocal graph was powerful enough to change people’s views, even as presenting technical text (at least in the rising temperatures case) was not. Meanwhile, getting people to affirm their values and sense of self also decreased their resistance, presumably because they felt less threatened by challenging information after having had their egos reinforced and their identities bolstered.

Read on here. Huge implications for effective science communication.

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