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In studying the complex determinants of human fertility, social scientists have given little attention to population density, although reproduction has been shown to be density-dependent for a wide variety of other species. Using fixed effects models on the time series of 145 countries and controlling for key social and economic variables, we find a consistent and significant negative relationship between human fertility and population density. Moreover, we find that individual fertility preferences also decline with population density. These findings suggest that population density should be included as a variable in future studies of fertility determinants.
Wolfgang LutzEmail:
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This article presents a consensus-building initiative to develop a statewide research agenda that responds to the needs of Illinois's child welfare community. Researchers conducted this process through a university-community partnership to engage those interested in child welfare services. The process and findings resulted in a living document that will guide child welfare research throughout the state. Findings of the inquiry suggest that the development of best practice models may be one of the most important contributions research can make to practice.  相似文献   
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Ryan JP  Testa MF  Zhai F 《Child welfare》2008,87(1):115-140
Juvenile delinquency remains a significant problem for child welfare systems throughout the United States. Victims of child abuse and neglect are more likely relative to children in the general population to engage in delinquency (Ryan & Testa, 2005; Widom, 1989). Although the magnitude of this relationship is not fully understood (Zingraff, Leiter, Myers, & Johnsen, 1993), the risk of delinquency is particularly high for African American males, adolescents, and children in substitute care settings. Unfortunately little is known about the factors that connect the experiences of maltreatment and delinquency. This lack of knowledge makes it nearly impossible to decrease the risk of delinquency for children in foster care. To improve the understanding of juvenile delinquency in the child welfare system, the current study tests aspects of social control theory within the context of foster care. We focus specifically on the effects of foster parent-foster child attachment, commitment, and permanence. The results indicate that strong levels of attachment decrease the risk of delinquency for youth in foster care. Involvement with religious organizations also decreases the risk of delinquency. In contrast, perceptions of placement instability, placement with relatives, and school suspensions are associated with an increased risk of delinquency.  相似文献   
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This study investigates whether the type of pre-discharge placement, kinship versus non-kinship foster care, has a net impact on children's likelihood of re-entering substitute care after controlling for possible selection biases through the use of regression adjustment and propensity score matching (PSM). Children in kin and non-kin foster care are compared on their rates of foster care re-entry, using bivariate comparisons and accelerated failure time (AFT) models. Lower rates of foster care re-entry after reunification from kinship homes are attributed to differences in child characteristics at removal, greater stability of kin placements, and gate-keeping functions that agencies and courts exercise over discharge and re-entry options. Children adopted from kinship and non-kinship homes exhibit similar re-entry rates, but the results for legal guardianship are mixed.  相似文献   
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James Testa 《Serials Review》2013,39(3):210-212
Abstract

For more than four decades, Thomson ISI (Institute for Scientific Information) has been committed to a fundamental mission: to provide essential products and services that enable access to and management of the highest quality, most relevant materials for all participants in the research process. In 1958, Dr. Eugene Garfield started ISI by borrowing five hundred dollars from Household Finance. Current Contents® of Chemical, Phamaco-Medical & Life Sciences was the sole product, covering 286 journals. Today the Thomson ISI database covers more than 16,000 international journals, books, and proceedings in the sciences, social sciences, and arts and humanities. This article describes the processes and standards that result in ISI's abstracting and indexing services. Serials Review 2003; 29:210–212.  相似文献   
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Period fertility started to drop significantly below replacement in most Western European countries during the 1970s and 1980s, while most fertility surveys, value studies and opinion polls have found that the number of children considered ideal for society or for one's own family has remained above two children per woman. These surveys have led to the expectation that, sooner or later, period fertility would recover in Europe. The most recent data from the Eurobarometer 2001 survey, however, suggest that in the German-speaking parts of Europe the average ideal family sizes given by younger men and women have fallen as low as 1.7 children. This paper examines the consistency and the credibility of these new findings, which – if they are indeed indications of a new trend – may alter the current discussion about future fertility trends in Europe.  相似文献   
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ABSTRACT

Over the past 20 years, human trafficking (“trafficking”) has generated much public attention throughout the world. The problem has received growing media coverage and increased anti-trafficking activism. Additionally countries have created new policies, laws, and enforcement mechanisms to tackle the problem. This micro level study examined the lived experiences of 22 health and allied health workers situated within St Vincent’s Health Australia’s Melbourne facility, and reports on their identification, assessment, treatment, and outreach to trafficked persons. The results indicated that trafficked persons were predominantly invisible within the health setting. When practitioners did suspect trafficking, they considered themselves as lacking the professional skills and knowledge, or the clear organisational policy or procedures to confidently identify and manage the complex health needs of the suspected trafficked persons. The findings contribute to St Vincent’s Health Australia’s goal of formulating contextually appropriate policy and practices that will assist in the identification of and response to the health needs of trafficked persons.

IMPLICATIONS
  • The health needs of trafficked persons are multiple and interrelated and require health care providers and systems to be skilled in the identification, intervention, and treatment of trafficked persons.

  • Education and training of health professionals is the cornerstone of the identification, intervention, and treatment of trafficked persons.

  • Social workers’ specific focus on person-in-environment may be an important contribution to the identification and treatment of trafficked persons.

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Over the past two decades the link – perceived and actual – between political extremism and football fans has been the subject of academic, political, and policing debate. It is not rare to witness manifestations of intolerance and ideological statements referring to regional, national and international issues at football stadia. In Italian football stadia, political representation has been evident for decades; politics has been integral to all realms of Italian society and culture since the origin of the nation. As one of the most significant Italian cultural practices, football has not been an exception. This combination of theory and action inspires thousands of young male football supporters. The football stadium might thus be interpreted as a twenty-first century social Agorá, where political opinions – otherwise ghettoized in society – can be freely expressed in pursuit of a wider consensus. This paper explores the under-researched milieu of neo-fascist ideology as displayed in contemporary Italian football stadia. Contributing original material and employing as conceptual frameworks the New Consensus Theory on fascism and the works of Julius Evola and Georges Sorel, this analysis hypothesizes that the neo-fascist tenets manifested by the ideologically-oriented ‘ultras’ fan groups, may be understood as both a consequence of, and a resistance against the dominant socio-cultural and political values of contemporary Italy. The research conducted between 2003–2007 sought to evaluate two internationally renowned ultras groups located in the Italian capital of Rome: the Boys of AS Roma and the Irriducibili of SS Lazio who enact their performances on their respective ‘curve’ [football terraces] of the city's Olympic stadium. Utilizing the ethnographic method, unique access was achieved in a notoriously difficult research milieu bringing the researcher into the social-cultural world of the participants and to the echelons of the extra-parliamentary Italian far right. Research sought to uncover the groups’ social interactions, values, and political beliefs, as a way of contributing to an understanding of both the Italian ultras of the twenty-first century and indeed the wider political milieu of the modern nation-state of Italy.  相似文献   
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