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Kristopher M Smith
University of Pennsylvania
7Publications
3H-index
21Citations
Publications 7
Newest
#1Kristopher M Smith (UPenn: University of Pennsylvania)H-Index: 3
#2Coren L. Apicella (UPenn: University of Pennsylvania)H-Index: 23
To the extent that moral character is grounded in stable and observable truths, there should exist agreement between people in their judgments of others’ character. In Western populations, this agr...
#1Kristopher M Smith (UPenn: University of Pennsylvania)H-Index: 3
#2Tomás Larroucau (UPenn: University of Pennsylvania)H-Index: 1
Last.Coren L. Apicella (UPenn: University of Pennsylvania)H-Index: 23
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Summary Widespread cooperation is a defining feature of human societies from hunter-gatherer bands to nation states [1, 2], but explaining its evolution remains a challenge. Although positive assortment of cooperators is recognized as a basic requirement for the evolution of cooperation, the mechanisms governing assortment are debated. Moreover, the social structure of modern hunter-gatherers, characterized by high mobility, residential mixing, and low genetic relatedness [3], undermines assortm...
Previous research with hunter-gatherers has found that women perceive men with voices manipulated to be lower in pitch to be better hunters, and men perceive women with lower pitch to be better gatherers. Here, we test if actual voice pitch is associated with hunting and gathering reputations in men and women, respectively. We find that voice pitch does relate to foraging reputation in men, but not in women, with better hunters having a lower voice pitch. In addition, we find that the previously...
#1Kristopher M SmithH-Index: 3
#2Yevgeniy M. OlkhovH-Index: 2
Last.Coren L. ApicellaH-Index: 23
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#1Kristopher M Smith (UPenn: University of Pennsylvania)H-Index: 3
#2Coren L. Apicella (UPenn: University of Pennsylvania)H-Index: 23
A contribution to a special issue on Hormones and Human Competition. The effect of postural power displays (i.e. power poses) on hormone levels and decision-making has recently been challenged. While Carney et al. (2010) found that holding brief postural displays of power leads to increased testosterone, decreased cortisol and greater economic risk taking, this failed to replicate in a recent high-powered study (Ranehill et al. 2015). It has been put forward that subtle differences in social con...
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