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Study Raises Doubt About Veracity of Five-factor Model

by Bidita Debnath on  January 10, 2013 at 11:37 PM Research News   - G J E 4
A study by anthropologists at UC Santa Barbara raises doubt about the veracity of that five-factor model (FFM) of personality structure as it relates to indigenous populations.
 Study Raises Doubt About Veracity of Five-factor Model
Study Raises Doubt About Veracity of Five-factor Model
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For decades, consensus among psychologists has held that a group of five personality traits -- or slight variations of these five -- are a universal feature of human psychology.

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Studying the Tsimane, an isolated indigenous group in central Bolivia, Michael Gurven, a professor of anthropology at UCSB and lead author of the paper, found that they did not necessarily exhibit the five broad dimensions of personality -- openness, conscientiousness, extraversion, agreeableness, and neuroticism.

While previous research has found strong support for what experts refer to as the "Big Five" in more developed countries and across some cultures, Gurven and his team, which includes Christopher Von Rueden, a postdoctoral scholar in anthropology at UCSB and co-author of the paper, discovered more evidence of a Tsimane "Big Two" -- prosociality and industriousness.

These 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," Gurven, who is also co-director of the Tsimane Health and Life History Project, a collaboration between UCSB and the University of New Mexico, with co-director and co-author Hillard Kaplan said.

"These traits reflect the industriousness of a society of subsistence farmers," he said.

"However," Gurven continued, "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 opportunity 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."

The Tsimane live in communities ranging from 30 to 500 people dispersed among approximately 90 villages.

Since the mid-20th century, they have come into greater contact with the modern world, although fertility and mortality rates remain high, the study noted.

The findings are published in the American Psychological Association's Journal of Personality and Social Psychology.

Source: ANI
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