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Self-report measures of perceived pubertal timing correspond only weakly with clinical measures of “objective” physical development. Peer and school contexts shape adolescents’ self-perceptions of pubertal timing. The current study examined associations between perceived pubertal timing and the pubertal timing reported by nominated friends and schoolmates. Participants included 2817 adolescents (Mage = 16.6; 49 % female; 16 % Black; 20 % Hispanic) from the National Longitudinal Study of Adolescent Health. Three measures of pubertal timing were included: age-standardized ratings of body changes, comparisons of development relative to peers (relative timing), and, in females, age at menarche. It was hypothesized that relative timing, which explicitly asks adolescents to compare themselves to their peers, would be related to the age-standardized pubertal timing of nominated friends and schoolmates. Surprisingly, there were no associations between relative timing and age-standardized pubertal timing reported by peers, suggesting that pubertal self-perceptions do not fluctuate in response to the average level of development in a friend group. Instead, males were similar to nominated friends and schoolmates in age-standardized ratings of body changes, and females were similar to nominated friends in relative timing, controlling for race, ethnicity, and age. Different self-report measures of pubertal timing index different underlying constructs, and the social processes that influence adolescents’ perceptions of pubertal maturation may differ between genders.  相似文献   
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The Great War is considered nationally foundational in both Australia and New Zealand. Yet, as critics of this view point out, British subjecthood remained important and sometimes central to identity at this time. This article pulls two threads from this tangled knot of belonging at a time when identifying and regulating loyal populations was critical. Looking at evidence of those Australians and New Zealanders who served in imperial forces and organisations, and the implications of passport control from 1915, I suggest that the relationship between British subjecthood and national identification was not always easily managed, and was often cut across by gender. Indeed, there is evidence that one's identification as a British subject or an Australasian citizen was not always a matter of choice or positive, and sometimes these identities were antagonists. The significant tensions between British subjecthood and being an “Australian” or a “New Zealander” were especially heightened by the increasingly intimate relationship between governments and their people during the First World War.  相似文献   
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Aids outreach     
Frank Espada is a documentary photographer who received international recognition for his Puerto Rican Diaspora Documentary Project, a traveling photographic and oral history that has been displayed in over 28 cities since 1982. The exhibit will soon be published as a book by Temple University Press.  相似文献   
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