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Human adaptations for the visual assessment of strength and fighting ability from the body and face
Selection in species with aggressive social interactions favours the evolution of cognitive mechanisms for assessing physical formidability (fighting ability or resource-holding potential). TheExpand
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Adaptations in humans for assessing physical strength from the voice
Recent research has shown that humans, like many other animals, have a specialization for assessing fighting ability from visual cues. Because it is probable that the voice contains cues of strengthExpand
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How universal is the Big Five? Testing the five-factor model of personality variation among forager-farmers in the Bolivian Amazon.
The five-factor model (FFM) of personality variation has been replicated across a range of human societies, suggesting the FFM is a human universal. However, most studies of the FFM have beenExpand
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Why do men seek status? Fitness payoffs to dominance and prestige
In many human societies, high male social status associates with higher fertility, but the means by which status increases lifetime fitness have not been systematically investigated. We analyse theExpand
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The multiple dimensions of male social status in an Amazonian society.
While social-status hierarchies are common to all human societies, status acquisition is relatively understudied in small-scale societies lacking significant material wealth or intergenerationalExpand
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Intergenerational Wealth Transmission and the Dynamics of Inequality in Small-Scale Societies
Origins of Egalitarianism Wealthy contemporary societies exhibit varying extents of economic inequality, with the Nordic countries being relatively egalitarian, whereas there is a much larger gapExpand
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Physical competition increases testosterone among Amazonian forager-horticulturalists: a test of the ‘challenge hypothesis’
The challenge hypothesis posits that acute increases in testosterone (T) during male–male competition enhance performance and survivability while limiting the physiological costs of consistently highExpand
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Men’s status and reproductive success in 33 nonindustrial societies: Effects of subsistence, marriage system, and reproductive strategy
Significance Much of human behavior results from a desire for social status. From an evolutionary perspective, answering the question of why we pursue status must consider how status affectsExpand
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The evolutionary fitness of personality traits in a small-scale subsistence society.
article i nfo Article history: Initial receipt 31 May 2013 Final revision received 7 September 2013 The maintenance of personality variation remains an unexplained puzzle in evolutionary biology.Expand
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Moral parochialism and contextual contingency across seven societies
Human moral judgement may have evolved to maximize the individual's welfare given parochial culturally constructed moral systems. If so, then moral condemnation should be more severe whenExpand
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