Seventy individuals from two African and four black Brazilian populations were studied for the first hypervariable segment of mtDNA. To delineate a more complete phylogeographic scenario of the African mtDNA haplogroups in Brazil and to provide additional information on the nature of the Atlantic slave trade, we analyzed our data together with previously published data. The results indicate dif...

The purpose of this study was to investigate relationships between satisfaction with major and career decision efficacy and career attitude maturity of engineering college students by performing correlation analysis. Gender differences in between satisfaction with major and career decision efficacy and career attitude maturity were also examined by T-test. The results T-test revealed gender dif...

Understanding the main values and beliefs that might promote humanized birth practices in the specialized hospitals requires articulating the theoretical knowledge of the social and cultural characteristics of the childbirth field and the relations between these and the institution. This paper aims to provide a conceptual framework allowing examination of childbirth practices through the lens o...

Using data from 929 parent-child dyads nested in 458 three-generation families (aged 76 for the oldest generation, 50 for the middle generation, and 24 for the youngest generation), this study investigated how discrepancies in reports of support that parents and their adult offspring exchanged with one another vary both within and between families, and what factors explain variations in dyadic ...

The present paper discusses the association of power and approval motives with adolescent altruistic behaviour. Gender difference was also tried to calculate. The present study comprised of 140 students (70 boys and 70 girls) of age range 13-19 years. Participants were given Selfreport Altruism Scale, Power Motive Scale, and Approval Motive Scale. Results indicate that altruism is positively co...

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We examine behavioral gender differences and gender pairing effects in a laboratory experiment with face-to-face alternating-offers wage bargaining. Our results suggest that male players are able to obtain better bargaining outcomes than female players. Male employees get higher wages than female employees. Male employers pay lower wages to female employees than female employers pay to male emp...

BACKGROUND Praise from caregivers has been shown as an important influence on the development of social competence in early adolescence. However, the effects of praise in younger children have not been investigated. We examined how the trajectory of children's social competence from 18 months to 30 months of age was related to their caregiver's attitude towards the importance of praise at times...