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Inhibition of emotional expression has been associated with the incidence and progression of breast cancer and other chronic illnesses. Others have theorized that it may not be repression itself, but rather ambivalence over the expression of emotions that is the important health-related factor. The Women's Health Initiative (WHI), a long-term, national study focusing on disease prevention among postmenopausal women, is unique in its assessment of expression and ambivalence of negative emotion in a large study sample of multiethnic, older women. Psychological factors such as expression of negative emotion and ambivalence about expression of emotion are also determined by social patterning. The current study examined the psychometric properties of the instruments used to measure each construct and variation across race/ethnicity and age. The analysis suggests that the scales can be used with confidence in diverse ethnic and age groups. Examining ambivalence about expression of negative emotion in future longitudinal research will further elucidate its role in predicting disease incidence and recovery, both important in reducing the public health burden of chronic disease.  相似文献   
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This paper traces the use of the World Wide Web as a medium of political communication during the 1996 American presidential campaigns. Beginning with the Republican campaigns' use of the medium during the primary election season, a typology of uses of the web is outlined. While all campaigns felt it necessary to participate in the World Wide Web, different candidates used the medium differently. Furthermore, no campaign made full use of the much-publicized interactive capacity of the web; they used it more as a new means of transmitting traditional mass-media literature (video, graphics, etc.) and as a way of providing access to large volumes of campaign information (voting records, speeches, position papers, etc.).  相似文献   
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Markov random fields (MRFs) express spatial dependence through conditional distributions, although their stochastic behavior is defined by their joint distribution. These joint distributions are typically difficult to obtain in closed form, the problem being a normalizing constant that is a function of unknown parameters. The Gaussian MRF (or conditional autoregressive model) is one case where the normalizing constant is available in closed form; however, when sample sizes are moderate to large (thousands to tens of thousands), and beyond, its computation can be problematic. Because the conditional autoregressive (CAR) model is often used for spatial-data modeling, we develop likelihood-inference methodology for this model in situations where the sample size is too large for its normalizing constant to be computed directly. In particular, we use simulation methodology to obtain maximum likelihood estimators of mean, variance, and spatial-depencence parameters (including their asymptotic variances and covariances) of CAR models.  相似文献   
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The language of democracy and citizenship is infused with a complicated idea: political representation. While political theorists have explored what representation and deliberation should be like, most research on how political discussion actually happens fails directly to address these theoretical standards. This article shows the importance of representation and deliberation to our contemporary ideas about democracy and citizenship. It shows that there is no clear line between deliberation and everyday conversation. Instead, everyday talk constitutes the foundation on top of which citizens build ideas about politics. These, in turn, are the bedrock of democratic representation.  相似文献   
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To complete this special issue for the fiftieth anniversary of the Beveridge Plan, we felt it appropriate to reproduce an article written by the late Guy Perrin on the occasion of its fortieth. It seemed to us that his exemplary appraisal, as relevant today as it was then, amply merited republication, testifying as it does to the clearsightedness of its author. Publishing it also enables us to pay discreet homage to a colleague who will be much missed: we have no doubt, for example, that if he were still among us today he would use the Beveridge Report as a torch to illuminate for us the likely trends in social security over the next ten years. In this article, first published in 1983, Guy Perrin outlines the major principles governing the Beveridge Plan, namely those of universality, unity and what he calls integration. The many quotations and references afford an insight into the conditions under which the plan was written, enabling us to measure its impact both at the time of its publication and four decades later. It concludes by declaring that "the enduring topicality of Beveridge still exerts an impact today, in the sense that the time has come to stop following him and start imitating him". There lies a challenge which, today more than ever, is crucial for the future of social security in the world.  相似文献   
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The relationship between work-to-family conflict and family-to-work conflict was tested using a longitudinal research design with 234 dual-earner couples caring for both children and aging parents. Two waves of mailed survey data were collected. The mediating effects of role-related satisfaction were hypothesized to link these two forms of work-family conflict. The analytical steps for determining mediating effects followed suggestions by Baron and Kenny (1986). The results failed to show significant mediating effects of role-related satisfaction between the two forms of conflict over time for both husbands and wives, contrary to suggestions by Frone, Yardley, and Markel (1997). Instead, positive, direct relationships between the two types of work-family conflict were found. Limitations and implications are discussed.  相似文献   
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This study aims to analyse the activities and discourses of the non-governmental organizations (NGOs) working in the field of migration in Turkey. The research explores how the NGOs frame the issue of migration differently and how they define and comprehend migration, migrants, and refugees. The article discusses whether the NGOs view refugees as subjects needing help, support, and protection or as actors who have rights and must be empowered and argues that there is tension between the two approaches. These points are discussed through a field study, conducted in 2020 (between February and April), comprising in-depth interviews with representatives of 13 NGOs working in the field of migration. The study points to structural, historical, and conjectural causes and aspects of the weakness of rights-based attitudes and activities among the NGOs working in the field of migration in Turkey. The article finds out that the actions of the NGOs working in the field of migration are concentrated on the basic needs of refugees, and structural limitations, such as political pressure, political polarization, and capacity problems, push the NGOs to evaluate the issue of migration within relatively narrow frames. The article also stresses the importance of an enabling political and legal environment and a coherent and structured communication strategy to promote a rights-based migration agenda.  相似文献   
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