Friday, January 04, 2013

'Universal' personality traits don't necessarily apply to isolated indigenous people

http://www.eurekalert.org/pub_releases/2013-01/apa-pt010313.php

Public release date: 3-Jan-2013
Contact: Audrey Hamilton
American Psychological Association
Study of farmer-foragers raises doubt about application of popular personality model

WASHINGTON – Five personality traits widely thought to be universal across cultures might not be, according to a study of an isolated Bolivian society.

Researchers who spent two years looking at 1,062 members of the Tsimane culture found that they didn't necessarily exhibit the five broad dimensions of personality – openness, conscientiousness, extraversion, agreeableness and neuroticism – also known as the "Big Five." The American Psychological Association's Journal of Personality and Social Psychology published the study online Dec. 17.

While previous research has found strong support for the Big Five traits in more developed countries and across some cultures, these researchers discovered more evidence of a Tsimane "Big Two:" socially beneficial behavior, also known as prosociality, and industriousness. These Big Two combine elements of the traditional Big Five, and may represent unique aspects of highly social, subsistence societies.

"Similar to the conscientiousness portion of the Big Five, several traits that bundle together among the Tsimane included efficiency, perseverance and thoroughness. These traits reflect the industriousness of a society of subsistence farmers," said the study's lead author, Michael Gurven, PhD, of the University of California, Santa Barbara. "However, other industrious traits included being energetic, relaxed and helpful. In small-scale societies, individuals have fewer choices for social or sexual partners and limited domains of opportunities for cultural success and proficiency. This may require abilities that link aspects of different traits, resulting in a trait structure other than the Big Five."

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