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  1. A cross-cultural study of the effects of environmental unpredictability on aggression in folktalesCohen, Alex - American Anthropologist, 1990 - 2 Hypotheses

    Using a psychoanalytic-materialist approach, the author examines the possible effects of environmental unpredictability on the prevalence of unprovoked aggression by characters in folktales.

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  2. The dependency-conflict hypothesis and the frequency of drunkennessBacon, Margaret K. - Quarterly Journal of Studies on Alcohol, 1974 - 1 Hypotheses

    This study is a reexamination of Bacon's (1965) previous cross-cultural study regarding drinking. The current study supports the dependency-conflict hypothesis that frequency of drunkenness is related to dependency needs in childhood and adulthood.

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  3. Population size as an explanation for patterns in the paleolithic archaeological record: more caution is neededCollard, Mark - Current Anthropology, 2013 - 1 Hypotheses

    Previous studies have yielded contradictory results on the relationship between population size and cultural evolution. Focusing on tool complexity these authors introduce the risk of resource failure as a possible confounding variable. They conclude that population does not predict tool kit complexity when controlling on other factors. There were significant correlations between tool kit complexity and some of the resource measures.

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  4. New cross-cultural perspectives on marriage transactionsHuber, Brad R. - Cross-Cultural Research, 2011 - 3 Hypotheses

    This article refines previous research on marriage transactions and offers descriptions of new types of marriage transactions. First, the authors examine the frequency and distribution of marriage transactions. Second,the authors use a bio-cultural approach to examine how differences in male and female reproductive strategies and the kin selection theory are associated with marriage transactions.

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  5. The effects of mortality, subsistence, and ecology on human adult height and implicationsMigliano, Andrea Bamberg - Current Anthropology, 2012 - 1 Hypotheses

    By better understanding the factors influencing adult height in modern populations, the authors hope to generate a testable hypothesis to determine the factors affecting body size during hominin evolution. The authors employ an exploratory linear regression model to test the effects of mortality, environment, and subsistence strategy on adult height among traditional small scale human societies. They found that mortality rates were the most significant predictor of adult height and that people living in savanna environments are consistently taller.

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  6. Infanticide as a terminal abortion procedureMinturn, Leigh - Cross-Cultural Research, 1982 - 3 Hypotheses

    This study investigates the conceptual frameworks involved in infanticide. Authors first examine data on infanticide and birth ceremonies, particularly the timing of these events and the infant and adult involved in each. Authors also examine reasons for performing infanticide, including illegitimacy, unwanted children, and excess children, finding them similar to reasons for performing abortion. Population control and implications for children's and women's status are also discussed.

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  7. Relationships between subsistence and age at weaning in "preindustrial" societiesSellen, Daniel W. - Human Nature, 2001 - 3 Hypotheses

    This study tests the weaning food availability hypothesis, that both the introduction of foods other than breastmilk and the cessation of breastfeeding will vary by society's subsistence type. This hypothesis has implications for demography, as accelerated weaning can lead to increases in both mothers' fertility (due to decreased birth intervals) and infant mortality (due to the presence of pathogens in new foods).

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  8. Human parental effort and environmental riskQuinlan, Robert J. - Proceedings of the Royal Society of Biological Sciences, 2007 - 2 Hypotheses

    This article tests the effect of environmental risk on parental investment, differentiating between maternal and paternal care. Results indicate that the saturation point of parental investment may be a function of environmental risk, as parental care experiences diminishing returns due to extrinsic risks.

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  9. Infant care: cache or carryLozoff, Betsy - Behavioral Pediatrics, 1979 - 1 Hypotheses

    This article tests a hypothesis regarding patterns of infant care in non-industrial societies. The authors find that a consistent pattern of infant care that emphasizes mother-infant contact exists among hunter-gatherers and other non-industrial societies. These infant care practices differ from those found in the United states that do not promote extensive infant-mother contact.

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  10. Human lactation, pair-bonds, and alloparents: a cross-cultural analysisQuinlan, Robert J. - Human Nature, 2008 - 1 Hypotheses

    This study examines the relationship between pairbonds and lactation, specifically the relationship between pairbond stability, alloparenting, and cross-cultural trends in breastfeeding. Findings show that both conjugal stability and availability of alloparental care are associated with age at weaning.

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