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Political motivations may have evolutionary links to physical strength
Date:5/15/2013

Men's upper-body strength predicts their political opinions on economic redistribution, according to new research published in Psychological Science, a journal of the Association for Psychological Science.

The principal investigators of the research psychological scientists Michael Bang Petersen of Aarhus University and Daniel Sznycer of University of California, Santa Barbara believe that the link may reflect psychological traits that evolved in response to our early ancestral environments and continue to influence behavior today.

"While many think of politics as a modern phenomenon, it has in a sense always been with our species," says Petersen.

In the days of our early ancestors, decisions about the distribution of resources weren't made in courthouses or legislative offices, but through shows of strength. With this in mind, Petersen, Sznycer and colleagues hypothesized that upper-body strength a proxy for the ability to physically defend or acquire resources would predict men's opinions about economic redistribution.

The researchers collected data on bicep size, socioeconomic status, and support for economic redistribution from hundreds of people in the United States, Argentina, and Denmark.

In line with their hypotheses, the data revealed that wealthy men with high upper-body strength were less likely to support redistribution, while less wealthy men of the same strength were more likely to support it.

"Despite the fact that the United States, Denmark and Argentina have very different welfare systems, we still see that at the psychological level individuals reason about welfare redistribution in the same way," says Petersen. "In all three countries, physically strong males consistently pursue the self-interested position on redistribution."

Men with low upper-body strength, on the other hand, were less likely to support their own self-interest. Wealthy men of this group showed
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Contact: Anna Mikulak
amikulak@psychologicalscience.org
202-293-9300
Association for Psychological Science
Source:Eurekalert

Page: 1 2

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