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  1. Maternal Time Allocation in Two Cooperative Childrearing Societies.Courtney L. Meehan - 2009 - Human Nature 20 (4):375-393.
    This paper examines maternal trade-offs between subsistence/economic activities and caregiving, and it explores the effect of allomaternal investment on maternal time allocation and child care. I examine how nonmaternal investment in two multiple caregiving populations may offset possible risk factors associated with reductions in maternal caregiving. Behavioral observations were conducted on 8- to 12-month-old infants and their caregivers among the Aka tropical forest foragers and Ngandu farmers of Central Africa. Analysis demonstrates that mothers face trade-offs between subsistence/economic activities and infant (...)
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  • Human Lactation, Pair-bonds, and Alloparents.Robert J. Quinlan & Marsha B. Quinlan - 2008 - Human Nature 19 (1):87-102.
    The evolutionary origin of human pair-bonds is uncertain. One hypothesis, supported by data from forgers, suggests that pair-bonds function to provision mothers and dependent offspring during lactation. Similarly, public health data from large-scale industrial societies indicate that single mothers tend to wean their children earlier than do women living with a mate. Here we examine relations between pair-bond stability, alloparenting, and cross-cultural trends in breastfeeding using data from 58 “traditional” societies in the Standard Cross-Cultural Sample (SCCS). Analyses show that stable (...)
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  • Trade-Offs between female food acquisition and child care among hiwi and ache foragers.A. Magdalena Hurtado, Kim Hill, Ines Hurtado & Hillard Kaplan - 1992 - Human Nature 3 (3):185-216.
    Even though female food acquisition is an area of considerable interest in hunter-gatherer research, the ecological determinants of women’s economic decisions in these populations are still poorly understood. The literature on female foraging behavior indicates that there is considerable variation within and across foraging societies in the amount of time that women spend foraging and in the amount and types of food that they acquire. It is possible that this heterogeneity reflects variation in the trade-offs between time spent in food (...)
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  • Women’s work, child care, and helpers-at-the-nest in a hunter-gatherer society.Raymond Hames & Patricia Draper - 2004 - Human Nature 15 (4):319-341.
    Considerable research on helpers-at-the-nest demonstrates the positive effects of firstborn daughters on a mother’s reproductive success and the survival of her children compared with women who have firstborn sons. This research is largely restricted to agricultural settings. In the present study we ask: “Does ‘daughter first’ improve mothers’ reproductive success in a hunting and gathering context?” Through an analysis of 84 postreproductive women in this population we find that the sex of the first- or second-born child has no effect on (...)
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