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11.
Sexual selection theory affords a rationale for predicting that men, especially young men, may be more willing than women to risk harms and to discount the future in the pursuit of short-term gains. These propositions apply to many domains of risky behavior, and it is likely that they apply to decisions involving potential harms to the environment and health hazards as well. Two preliminary studies of university subjects' responses to hypothetical dilemmas that support the predicted sex difference are described. Important understudied questions are, to what extent reckless risk acceptance may be mitigated by material wellbeing, by marriage, and by parenthood.  相似文献   
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We have almost no data on how and when couples stop using condoms. This qualitative study investigated the process of condom discontinuation. From November 2013 to April 2014, a total of 25 women living in a college town in the Midwest, ages 18 to 25, participated in semistructured interviews centered around three domains: partner interactions, contraceptive use, and sexually transmitted infection (STI) prevention. Analysis followed a critical qualitative research orientation. Participants described actively seeking the best options to prevent pregnancy, perceiving condom discontinuation in favor of hormonal methods as a smart decision, and reported wanting to discontinue using condoms due to physical discomfort. Oftentimes, nonverbal communication around contextual instances of condom unavailability paved the way for discontinuation. Participants indicated the decision to stop using condoms was neither deliberate nor planned. Condom discontinuation rarely occurred at one point in time; instead, it was preceded by a period of occasional use. Even after participants described themselves as not using condoms, sporadic condom use was normal (typically related to fertility cycles). This study provides a more detailed understanding of how and why emerging adults negotiate condom discontinuation, thereby enhancing our ability to design effective condom continuation messages. Attention should be paid to helping emerging adults think more concretely about condom discontinuation.  相似文献   
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Studies involving the House Ball Community (HBC) have found high rates of HIV prevalence and undiagnosed HIV infection, as well as unique social and sexual network-related HIV risk and protective behaviors (Murrill et al., 2008; Sanchez, Finlayson, Murrill, Guilin, & Dean, 2010). Efforts to understand culturally appropriate and effective methods of HIV prevention services within the relatively understudied HBC are scarce (Phillips, Peterson, Binson, Hidalgo, & Magnus, 2011). This qualitative study, utilizing a diffusion of innovation theoretical framework, aimed to explore social norms regarding HIV and accessibility of HIV prevention services within the HBC. Thirty-seven participants (16 community leaders and 21 youths) engaged in focus group discussions. Participants discussed the perceptions of HIV and stigmatization within the HBC, general and HBC-specific risk factors for HIV transmission, as well as HIV prevention needs and strategies for culturally appropriate HIV interventions. Findings from this qualitative study highlight both the vulnerability of the HBC to HIV transmission and the corresponding support for HIV prevention interventions.  相似文献   
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Using longitudinal data from a subsample of Hispanic, African American, and White youth enrolled in the Project on Human Development in Chicago Neighborhoods (= 1,419), we examined the effects of both parental involvement in domestic violence and youth participation in organized out‐of‐school‐time activities on internalizing symptoms during adolescence. We also examined the extent to which participation in organized activities protected youth against the internalizing consequences of domestic violence. We found that intensive participation in either afterschool programs or extracurricular activities was inversely associated with youth internalizing problems. Moreover, we found that intensive participation in afterschool programs weakened the association between parents' domestic violence and youths' internalizing problems.  相似文献   
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This single-group repeated-measures pilot study evaluated the effects of a 10-wk, multicomponent, best-practice exercise program on physical activity, performance of activities of daily living (ADLs), physical performance, and depression in community-dwelling older adults from low-income households (N = 15). Comparison of pretest and posttest scores using a one-tailed paired-samples t test showed improvement (p < .05) for 2 of 3 ADL domains on the Activity Measure-Post Acute Care and for 6 physical-performance measures of the Senior Fitness Test. Repeated-measures ANOVA revealed significant main effects for 3 of 8 physical activity measures using the Yale Physical Activity Scale. Retention rate was 78.9%, and the adherence rate for group sessions was 89.7%. Results suggest that participation in a multicomponent, best-practice physical activity program may positively affect sedentary, community-dwelling older adults' physical activity, ADL performance, and physical performance.  相似文献   
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This article presents a case study on the implementation of the Thames Estuary 2100 Plan in the Royal Docks, a regeneration project in the East of London. On paper, the Thames Estuary 2100 Plan advances the shift from traditional flood control to flood resilience, because of its long-term horizon, estuary-wide approach, and emphasis on floodplain management. In practice, however, we identify three frictions between vision and reality: a lack of local ownership of the plan, a lack of clear guidance for floodplain management, and limited capacities with local authority. These frictions suggest an ongoing ‘public-public divide’ in decentralized governance.  相似文献   
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This study explores the experience of time flexibility and its relationship to work–life balance among married female teleworkers with school‐aged children. Drawing from a larger study of teleworkers from a Canadian financial corporation, 18 mothers employed in professional positions discussed work, leisure and their perceptions of work–life balance in in‐depth interviews. Telework was viewed positively because flexible scheduling facilitated optimal time management. A key factor was the pervasiveness of caregiving, which could result in ongoing tensions and contradictions between the ethic of care and their employment responsibilities. The ideology of ‘intensive mothering’ meant that work schedules were closely tied to the rhythms of children's school and leisure activities. The different temporal demands of motherhood and employment resulted in little opportunity for personal leisure. Time ‘saved’ from not having to commute to an office was reallocated to caregiving, housework or paid employment rather than to time for their self. The women also experienced a traditional gendered division of household labour and viewed telework as a helpful tool for combining their dual roles. Time flexibility enhanced their sense of balancing work and life and their perceived quality of life. At the same time, they did not question whether having the primary responsibility for caregiving while engaged in paid employment at home was fair or whether it was a form of exploitation.  相似文献   
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Organizations for runaway and homeless youth (RHY) provide essential services to highly vulnerable youth who have a wide variety of basic needs and complex psychosocial challenges. We present a mixed-methods case study of an RHY organization to identify the specific mechanisms and processes by the organization successfully promotes engagement and positive development of the youth they serve. We analyzed qualitative and quantitative data separately and then integrated these two strands of data. Our findings indicate a consistent convergence of responses across the data sources, in both the qualitative and quantitative strands, that consistently reflect the organization’s youth-centered approach. Primary among these policies and practices is the emphasis on building and maintaining empathetic relationships with youth, the promotion of youths’ autonomy, and an institutional culture of continuous evaluation of how the organization is meeting their mission to provide services that reflect best practices.  相似文献   
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