Human Nature

ISSNs: 2175-2834, 1936-4776

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  1.  10
    Discriminative Grandparental Investment in China.Liqun Luo, Yinan Zuo & Xinzhu Xiong - 2024 - Human Nature 35 (1):21-42.
    Many studies in Western societies show a pattern of discriminative grandparental investment as follows: maternal grandmothers (MGMs) > maternal grandfathers (MGFs) > paternal grandmothers (PGMs) > paternal grandfathers (PGFs). This pattern is in line with the expectation from evolutionary reasoning. Yet whether or not this pattern applies in China is in question. The present study was based on a questionnaire survey at a university in Central China (N = 1,195). Results show that (1) when grandparent–grandchild residential distance during grandchildren’s childhood (...)
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    Historical Mortality Dynamics on the Baja California Peninsula.Shane J. Macfarlan, Ryan Schacht, Isabelle Forrest, Abigail Swanson, Cynthia Moses, Thomas McNulty, Katelyn Cowley & Celeste Henrickson - 2024 - Human Nature 35 (1):1-20.
    Historical demographic research shows that the factors influencing mortality risk are labile across time and space. This is particularly true for datasets that span societal transitions. Here, we seek to understand how marriage, migration, and the local economy influenced mortality dynamics in a rapidly changing environment characterized by high in-migration and male-biased sex ratios. Mortality records were extracted from a compendium of historical vital records for the Baja California peninsula (Mexico). Our sample consists of 1,201 mortality records spanning AD 1835–1900. (...)
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    The Agential View of Misfortune.Ronald J. Planer & Kim Sterelny - 2024 - Human Nature 35 (1):63-88.
    In many traditional, small-scale societies, death and other misfortunes are commonly explained as a result of others’ malign occult agency. Here, we call this family of epistemic tendencies “the agential view of misfortune.” After reviewing several ethnographic case studies that illustrate this view, we argue that its origins and stability are puzzling from an evolutionary perspective. Not only is the agential view of misfortune false; it imposes costs on individuals and social groups that seem to far outweigh whatever benefits the (...)
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    Alloparental Support and Infant Psychomotor Developmental Delay.David Waynforth - 2024 - Human Nature 35 (1):43-62.
    Receiving social support from community and extended family has been typical for mothers with infants in human societies past and present. In non-industrialised contexts, infants of mothers with extended family support often have better health and higher survival through the vulnerable infant period, and hence shared infant care has a clear fitness benefit. However, there is scant evidence that these benefits continue in industrialised contexts. Better infant health and development with allocare support would indicate continued evolutionary selection for allocare. The (...)
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