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11.
The longitudinal effects among self and identity processes, and between these processes and internalizing symptoms, are not well understood. As a result, the present study was designed to ascertain the over-time effects among identity commitment, reconsideration of commitments, and self-concept clarity, as well as to map the interplay of these self and identity processes with anxiety and depressive symptoms in early adolescence. A sample of 923 Dutch adolescents (mean age 12.4 years at Time 1; 49.3% female) participated at each of five annual assessments. Multivariate growth curve and cross-lagged panel models indicated that the association between self-concept clarity and commitment was bidirectional, that reconsideration occurs based on problems or dissatisfaction with self-concept clarity and with identity commitments, and that self-concept clarity (but not commitment or reconsideration) temporally precedes depressive and anxiety symptoms. Results are discussed in terms of the structure of the self-system and its associations with internalizing symptoms.  相似文献   
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Prior empirical work has documented that the dynamics of social standing can play a critical role in the perpetration and receipt of aggression during adolescence. Recently, investigators have emphasized the emergence of new, electronic modalities for aggressive acts. Our longitudinal project therefore considered electronic forms of aggression and victimization as correlates of social standing. We recruited 415 ninth grade students (53 % female) from a high school in Southern California. In the spring of two consecutive school years, participants completed peer nominations assessing their social standing, aggression, and victimization. More popular youths were concurrently more electronically aggressive and victimized than their peers. Popularity also was associated with increases in electronic aggression over time. In turn, electronic aggression was related to increases in popularity for girls and decreases for boys. We additionally found concurrent, positive associations between social acceptance and electronic forms of aggression and victimization, although these effects held only at the first time point. Among adolescent males, social acceptance also was related to increases in electronic victimization over time. Overall, our results suggest that adolescents may rely on electronic aggression to establish and maintain a privileged position in their peer hierarchy. Our results additionally highlight that popular and accepted youths, who likely possess a large, digitally-connected social network, may be at increased risk for electronic victimization.  相似文献   
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Dual-credit courses expose high school students to college-level content and provide the opportunity to earn college credits, in part to smooth the transition to college. With the Tennessee Department of Education, we conduct the first randomized controlled trial of the effects of dual-credit math coursework on a range of high school and college outcomes. We find that the dual-credit advanced algebra course alters students’ subsequent high school math course-taking, reducing enrollment in remedial math and boosting enrollment in precalculus and Advanced Placement math courses. We fail to detect an effect of the dual-credit math course on overall rates of college enrollment. However, the course induces some students to choose four-year universities instead of two-year colleges, particularly for those in the middle of the math achievement distribution and those first exposed to the opportunity to take the course in eleventh rather than twelfth grade. We see limited evidence of improvements in early math performance during college.  相似文献   
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Underage drinking is among the most serious of public health problems facing adolescents in the United States. Recent concerns have centered on young women, reflected in media reports and arrest statistics on their increasing problematic alcohol use. This study rigorously examined whether girls’ alcohol use rose by applying time series methods to both arrest data, Uniform Crime Reports, and self-report data from Monitoring the Future, a nationally representative long-term survey gathered independently of crime control agents. All self-reported drinking behaviors across all age groups show declining or unchanged female rates and no significant change in the gender gap, while the official source displays a steady narrowing gender gap and some increase of female arrest rates for liquor law violations. Results indicate that social control measures applied to underage drinking have shifted to target young women’s drinking patterns, but their drinking has not become more widespread/problematic. Girls’ increased alcohol use and abuse is a socially constructed problem, rather than the result of normalization of drinking or more strain in girls’ lives. Future underage drinking policies and practices that apply legal intervention strategies to less chronic adolescent drinking behaviors will increase the visibility of girls’ drinking.  相似文献   
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Few communities welcome federally subsidized rental housing, with one of the most commonly voiced fears being reductions in property values. Yet there is little empirical evidence that subsidized housing depresses neighborhood property values. This paper estimates and compares the neighborhood impacts of a broad range of federally subsidized rental housing programs, using rich data for New York City and a difference‐in‐difference specification of a hedonic regression model. We find that federally subsidized developments have not typically led to reductions in property values and have, in fact, led to increases in some cases. Impacts are highly sensitive to scale, though patterns vary across programs. © 2007 by the Association for Public Policy Analysis and Management  相似文献   
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Schwartz  Mildred A. 《Publius》1994,24(1):79-92
The need for political parties both to expand their legislativebase by winning elections and to maintain their organizationbetween elections is translated into two kinds of campaign contributionstrategies. Federalism affects how political parties choosebetween the two objectives and their related strategies. Contributionsto Illinois legislative races reveal that expansive strategiesaimed at candidates with reasonable chances of winning are mostprominently used by state organizations. Maintenance strategies,concerned with ensuring a continued party presence, are mostconsistently pursued by local parties. In general, except forthe national parties, differences between Democratic and Republicanorganizations are comparatively minor.  相似文献   
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The authors review the Business Judgment Rule as applied to a not-for-profit director's duty of care, with particular emphasis on the different forms of state statutory liability shields that serve to enhance the protections of the Rule. They also examine current trends in enforcement of breach of fiduciary duty of care standards, and provide a series of specific recommendations for not-for-profit boards to consider implementing as a means of increasing the likelihood of affording such protections to individuals serving as directors.  相似文献   
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