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  1. Shodagor Family Strategies.Kathrine E. Starkweather - 2017 - Human Nature 28 (2):138-166.
    The Shodagor of Matlab, Bangladesh, are a seminomadic community of people who live and work on small wooden boats, within the extensive system of rivers and canals that traverse the country. This unique ecology places particular constraints on family and economic life and leads to Shodagor parents employing one of four distinct strategies to balance childcare and provisioning needs. The purpose of this paper is to understand the conditions that lead a family to choose one strategy over another by testing (...)
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  • Hormonal Mechanisms for Regulation of Aggression in Human Coalitions.Mark V. Flinn, Davide Ponzi & Michael P. Muehlenbein - 2012 - Human Nature 23 (1):68-88.
    Coalitions and alliances are core aspects of human behavior. All societies recognize alliances among communities, usually based in part on kinship and marriage. Aggression between groups is ubiquitous, often deadly, fueled by revenge, and can have devastating effects on general human welfare. Given its significance, it is surprising how little we know about the neurobiological and hormonal mechanisms that underpin human coalitionary behavior. Here we first briefly review a model of human coalitionary behavior based on a process of runaway social (...)
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  • Testosterone and Jamaican Fathers.Peter B. Gray, Jody Reece, Charlene Coore-Desai, Twana Dinall, Sydonnie Pellington & Maureen Samms-Vaughan - 2017 - Human Nature 28 (2):201-218.
    This paper investigates relationships between men’s testosterone and family life in a sample of approximately 350 Jamaican fathers of children 18–24 months of age. The study recognizes the role of testosterone as a proximate mechanism coordinating and reflecting male life history allocations within specific family and cultural contexts. A sample of Jamaican fathers and/or father figures reported to an assessment center for an interview based on a standardized questionnaire and provided a saliva sample for measuring testosterone level. Outcomes measured include (...)
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  • Essay Review: Sociobiology: Twenty-Five Years Later. [REVIEW]Edward O. Wilson - 1975 - Journal of the History of Biology 33 (3):577-584.
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  • Going Home.Gretchen Perry - 2017 - Human Nature 28 (2):219-230.
    Humans have been called “cooperative breeders” because mothers rely heavily on alloparental assistance, and the grandmother life stage has been interpreted as an adaptation for alloparenting. Many studies indicate that women invest preferentially in their daughters’ children, but little research has been conducted where patrilocal residence is normative. Bangladesh is such a place, but women nevertheless receive substantial alloparental investment from the matrilateral family, and child outcomes improve when maternal grandmothers are alloparents. To garner this support, women must maintain contact (...)
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  • Who Supports Breastfeeding Mothers?Jayme Cisco - 2017 - Human Nature 28 (2):231-253.
    Breastfeeding is one important form of maternal investment that is influenced by support from kin and non-kin. This paper investigates who provides support for breastfeeding mothers and their children, what type of support they provide, and how support impacts breastfeeding duration. The data were derived from a survey of 594 American mothers and were analyzed using quantitative methods, including Cox regression. Analyses indicate that mothers receive significant support, particularly from spouses and maternal grandmothers. More frequent breastfeeding discussions with La Leche (...)
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