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Black South African youth are disproportionately affected by HIV, and risky sexual behaviors increase youths' vulnerability to infection. U.S.-based research has highlighted several contextual influences on sexual risk, but these processes have not been examined in a South African context. In a convenience sample of Black South African caregivers and their 10-14-year-old youth (Mage = 11.7, SD = 1...
Middle adolescence to early adulthood is an important developmental period for the emergence of anxiety. Genetically-influenced stable traits are thought to underlie internalizing psychopathology throughout development, but no studies have examined changes in genetic and environmental influences on trait anxiety during this period.A longitudinal twin study design was used to study same-sex twin pairs...
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