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  1. Cooperation and trust across societies during the COVID-19 pandemicRomano, Angelo - Journal of Cross-Cultural Psychology, 2021 - 5 Hypotheses

    Researchers used various hypotheses to determine if cross-country differences in trust and cooperation would predict prosocial COVID-19 responses and policies. Using individual surveys from 34,526 participants from 41 countries, there were no significant associations between trust and cooperation and prosocial behavior, motivation, regulation, or stringency of policies. While the researchers did find significant variation among cross-country individuals, these results were unable to predict country-level prosocial responses.

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  2. The modern impact of precolonial centralization in AfricaGennaioli, Nicola - Journal of Economic Growth, 2007 - 1 Hypotheses

    In this study, the authors empirically assess the relationship between precolonial centralization and the implementation of modernization programs by African governments. Their findings indicate that current African countries tend to have better provisioning of public goods (including better access to education, healthcare, and infrastructure) when their ethnic groups' precolonial institutions were more centralized.

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  3. Explaining divergence in the long-term effects of precolonial centralization on access to public infrastructure services in NigeriaArchibong, Belinda - World Development, 2019 - 8 Hypotheses

    This study investigates previous findings that indicate precolonial centralization was beneficial for development in Africa. Using new survey data from public primary schools, the author shows that the failure of leaders of centralized regions to comply with federal regimes was punished with underinvestment in public infrastructure services, hindering development and limiting access to these services in recent populations. The author proposes that the extent to which precolonial centralization was beneficial for development in Africa is mediated by compliance of the local governing bodies with federal regimes.

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  4. Impact of societal culture on COVID-19 morbidity and mortality across countriesKumar, Rajiv - Journal of Cross-Cultural Psychology, 2021 - 2 Hypotheses

    This article aims to demonstrate the effects of national culture on countries’ COVID-19 morbidity and mortality rates when controlling for GDP and population age over 65. The author measured various cultural dimensions derived from GLOBE and tested it against the country’s COVID-19 morbidity and mortality rates. The author found a significant relationship between culture and COVID-19 outcomes suggesting that culture, beyond only GDP and age, may predict COVID-19 outcomes.

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  5. Why on earth?: Evaluating hypotheses about the physiological functions of human geophagyYoung, Sera L. - The Quarterly Review of Biology, 2011 - 5 Hypotheses

    The author tests various hypotheses regarding cross-cultural occurrence of geophagy, the eating of earth. Nearly 500 years of references to geophagy were compiled into the Database on Human Geophagy, which was then used to examine biological justifications for this little-understood behavior.

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  6. Social resilience to climate-related disasters in ancient societies: a test of two hypothesesPeregrine, Peter N. - , 2017 - 2 Hypotheses

    In the present study, Peregrine tests two perspectives regarding social resilience to climate-related disasters: 1) that societies with more inclusive and participatory political structures (corporate political strategies) are more resilient to climate-related disasters, and 2) that societies with tighter adherence to social norms are more resilient to climate-related disasters. Results support the notion that societies with greater political participation are more socially resilient to catastrophic climate-related disasters. Because these results are justifiably generalizable across multiple historical and cultural contexts, Peregrine's findings are a useful contribution to aid in disaster response policy decision making.

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  7. Polygyny, economy and the role of womenGoody, Jack - The Character of Kinship, 1973 - 1 Hypotheses

    This article discusses the relationship between plural marriage and women's position in the economy. Comparisons are made between this relationship in various locations and cultures. The article concludes that female farming is not sufficient as an explanation.

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  8. Kinship, Cooperation, and the Evolution of Moral SystemsEnke, Benjamin - The Quarterly Journal of Economics, 2019 - 10 Hypotheses

    In this paper, the author argues that moral systems evolved as a way to enforce cooperation between people outside of kin groups. Because cooperation within kin groups has apparent adaptive advantages, it is argued that these moral systems will be less important for societies with tight kin groups and conversely more important for those with looser kin groups. In order to test this theory, the author creates an original model that incorporates both ethnographic data and data from contemporary countries. Thus, it is postulated that historical kinship practices will influence contemporary systems. The paper concludes that there is sufficient historical evidence for this theory.

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  9. Periodic catastrophes over human evolutionary history are necessary to explain the forager population paradoxGurven, Michael D. - Proceedings of the National Academy of Sciences of the United States of America, 2019 - 5 Hypotheses

    Researchers looked at four different demographic scenarios (altered mean vital rates (i.e., fertility and mortality), vital rate stochasticity, vital rate covariance, and periodic catastrophes) and their possible effects on the rapid population growth of contemporary human foragers and steady population decline of chimpanzees. They evaluated these variables and the various conditions that would favor a more sustainable zero population growth (ZPG) among 10 small-scale subsistence human populations (Agta, Ache, Hadza, Hiwi, Ju/’hoansi, Gainj, Tsimane, Yanomamo, Northern Territory Aborigines, and Herero) and five wild chimpanzee groups (Gombe, Kanyawara, Mahale, Ngogo, and Taï). The results state that the most effective modifications towards ZPG would include a combination of more than one of the four demographic scenarios tested, with the most realistic solution including both vital rate alteration and an increase in catastrophes.

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  10. Sexually transmitted disease and gender roles: an index of cultural evolutionMackey, Wade C. - Cross-Cultural Research, 2007 - 1 Hypotheses

    This article examines the relationship between HIV/AIDS and several parameters of a nation’s demography, including income, mortality, labor, fertility, and homicide rates. Associations were supported by statistical tests. Regional differences are considered; Europe and the Muslim area had lower level of women’s HIV/AIDS infection. Four cultural adaptations to combat STDs are discussed.

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