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1.
Proc Biol Sci ; 285(1890)2018 10 31.
Artigo em Inglês | MEDLINE | ID: mdl-30381383

RESUMO

The root of modern human warfare lies in the lethal coalitionary violence of males in small-scale societies. However, there is a paucity of quantitative data concerning the form and function of coalitionary violence in this setting. Debates exist over how lethal coalitions are constituted, as well as the motivations and benefits for males to join such groups. Data from a lowland Amazonian population, the Waorani of Ecuador, illuminate three issues: (i) the degree to which raiding parties are composed of groups of fraternal kin as opposed to strategic alliances of actual or potential affinal kin; (ii) the extent to which individuals use pre-existing affinal ties to motivate others to participate in war or leverage warfare as a mechanism to create such ties; and (iii) the extent to which participation in raiding is driven by rewards associated with future marriage opportunities. Analyses demonstrate that Waorani raiding parties were composed of a mix of males who were potential affines, actual affines and fraternal kin, suggesting that men used pre-existing genetic, lineal and social kin ties for recruiting raid partners and used raiding as a venue to create novel social relationships. Furthermore, analyses demonstrate that males leveraged raiding alliances to achieve marriage opportunities for themselves as well as for their children. Overall, it appears that a complex set of motivations involving individual rewards, kin marriage opportunities, subtle coercion and the assessment of alliance strength promote violent intergroup conflict among the Waorani. These findings illustrate the complex inter-relationships among kin selection, coalition building and mating success in our species.


Assuntos
Comportamento Cooperativo , Casamento/psicologia , Guerra/psicologia , Adolescente , Adulto , Antropologia Cultural , Criança , Equador , Família , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
2.
Anthropol Med ; 18(3): 351-64, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-22060128

RESUMO

Having concurrent sexual partners is a risk factor for STIs and HIV/AIDS, yet few studies have investigated the cultural meanings and functions of concurrency. A multi-method qualitative/quantitative study of sexual ideas, attitudes, and behaviors among inner-city Puerto Rican and African American emergent adults (age 18-25) in Hartford, Connecticut, USA, suggests that having concurrent partners is common in this population. Using data from 12 focus groups and 40 participants in systematic data collection techniques (e.g., pile sorts), the underlying cognitive structure of concurrency and cheating/infidelity are explored. Results suggest that participants are less tolerant of multiple partners in more committed relationships, but that very few relationships can be considered committed. Furthermore, participants see cheating as inevitable even in committed relationships. Sexual transgressions are considered the most severe form of cheating. Having an outside partner for emotional reasons or to have access to one's child were seen as more acceptable/forgivable than doing so for sexual satisfaction, social status or material goods. Multiple partnerships must be seen in the context of the inner city where resources and opportunities are scarce and young adults attempt to protect themselves from emotional injury. Documenting new and changing social constructions of infidelity is important for understanding the social context of sexual behavior in our global world and for designing culturally appropriate health interventions.


Assuntos
Negro ou Afro-Americano/psicologia , Hispânico ou Latino/psicologia , Comportamento Sexual/etnologia , Comportamento Sexual/psicologia , Adolescente , Antropologia Médica , Análise por Conglomerados , Feminino , Grupos Focais , Humanos , Masculino , Modelos Psicológicos , Porto Rico , Saúde Reprodutiva , Parceiros Sexuais , População Urbana , Adulto Jovem
3.
Anthropol Med ; 17(1): 27-39, 2010 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-20419515

RESUMO

The purpose of this study was to identify Andean youth's beliefs regarding ceremonial tobacco use and to discuss potential applications of findings in tobacco control interventions. The study was conducted in the Province of Jujuy, Argentina among 202 boys and girls, 10 to 20 years of age, living in rural and urban areas. The world of beliefs and meanings became accessible by asking youth to focus on tangible experiences regarding the Pachamama ceremony, a ritual honoring Mother Earth. Concepts such as reciprocity, the unity of material and spiritual realms, and the complementary nature of opposite forces were linked to beliefs about ceremonial tobacco use. Three domains for understanding smoking behaviour beliefs and norms were identified including mechanisms of production, conceptual tenants and behavioural expressions. These findings suggest that tobacco control interventions based on solidarity, reciprocity, and non-rational ways of learning are more culturally appropriate for native populations in the Andes than the current individual behaviour change models and have the potential applications with other indigenous populations. The research methods also have the potential for generalized application in cross-cultural studies of health behaviours in understudied populations in middle and low-income countries.


Assuntos
Comportamento Ritualístico , Prevenção do Hábito de Fumar , Fumar/etnologia , Adolescente , Argentina , Criança , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Entrevistas como Assunto , Masculino , Religião e Medicina , População Rural , Espiritualidade , População Urbana , Adulto Jovem
4.
Proc Natl Acad Sci U S A ; 106(20): 8134-9, 2009 May 19.
Artigo em Inglês | MEDLINE | ID: mdl-19433797

RESUMO

The Waorani may have the highest rate of homicide of any society known to anthropology. We interviewed 121 Waorani elders of both sexes to obtain genealogical information and recollections of raids in which they and their relatives participated. We also obtained complete raiding histories of 95 warriors. An analysis of the raiding histories, marital trajectories, and reproductive histories of these men reveals that more aggressive warriors have lower indices of reproductive success than their milder brethren. This result contrasts the findings of Chagnon [Chagnon N (1988) Science 239:985-992] for the Yanomamo. We suggest that the spacing of revenge raids may be involved in the explanation of why the consequences of aggressiveness differ between these 2 warlike lowland South American peoples.


Assuntos
Homicídio , Grupos Populacionais/psicologia , Reprodução , Agressão , Antropologia , Equador , Feminino , Humanos , Masculino , Guerra
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