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21.
There is a paradox in research on African Americans and non-Hispanic whites in the utilization of clergy. Research finds that African Americans have higher levels of religious service attendance and higher levels of contact with clergy. Research also finds that despite this, African Americans are less likely than non-Hispanic whites to seek out assistance from clergy for psychiatric disorders including depression and anxiety. The goal of this paper was to investigate race differences in the use of clergy for counseling for serious personal problems. It uses the National Survey of American Life. We find that non-Hispanic whites were more likely than African Americans to use clergy for a serious personal problem. The significant difference between African Americans and non-Hispanic whites appeared to be mediated by the fact that African Americans were more likely to have seen clergy in a religious setting and non-Hispanic whites were more likely to have seen clergy in other settings including hospitals.  相似文献   
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There has recently been an explosion of theoretical literature on social space. A central claim in this literature is that postmodern spaces are experienced as confusing or disorienting by human subjects. This claim remains untested. The paper reports results from a small-scale survey conducted in one form of postmodern space--the shopping mall. It suggests that unsupported assertions about the disorienting effects of postmodern space and their associated influence on consumerist activities should be treated with scepticism. Through practice humans are able to develop routines which enable them to competently navigate these spaces.  相似文献   
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The current study investigated the relationship between mother–child interaction quality and infants' ability to interpret actions as goal‐directed at 7 months in a sample of 37 dyads. Interaction quality was assessed in a free play interaction using two distinct methods: one assessed the overall affective quality (emotional availability), and one focused on the mother's proclivity to treat her infant as an intentional agent (mind‐mindedness). Furthermore, infants' ability to interpret human actions as goal‐directed was assessed. Analyses revealed that only maternal emotional availability, and not maternal mind‐mindedness, was related to infants' goal‐encoding ability. This link remained stable even when controlling for child temperament, working memory, and maternal education. These findings provide first evidence that emotionally available caregiving promotes social‐cognitive development in preverbal infants.  相似文献   
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It is well recognized that adaptive and flexible flood risk strategies are required to account for future uncertainties. Development of such strategies is, however, a challenge. Climate change alone is a significant complication, but, in addition, complexities exist trying to identify the most appropriate set of mitigation measures, or interventions. There are a range of economic and environmental performance measures that require consideration, and the spatial and temporal aspects of evaluating the performance of these is complex. All these elements pose severe difficulties to decisionmakers. This article describes a decision support methodology that has the capability to assess the most appropriate set of interventions to make in a flood system and the opportune time to make these interventions, given the future uncertainties. The flood risk strategies have been explicitly designed to allow for flexible adaptive measures by capturing the concepts of real options and multiobjective optimization to evaluate potential flood risk management opportunities. A state‐of‐the‐art flood risk analysis tool is employed to evaluate the risk associated to each strategy over future points in time and a multiobjective genetic algorithm is utilized to search for the optimal adaptive strategies. The modeling system has been applied to a reach on the Thames Estuary (London, England), and initial results show the inclusion of flexibility is advantageous, while the outputs provide decisionmakers with supplementary knowledge that previously has not been considered.  相似文献   
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Population projection models that are conceptually simple enough to be called transparent may be used to check the validity of projections generated by black box models whose behavior may be somewhat shrouded in mystery. This paper adopts a multiregional demographic model to illustrate how such a validation procedure might be carried out on state population projections produced by the U.S. Bureau of the Census in 1988.  相似文献   
27.
Warde's (1994 ) theoretical analysis of possible anxieties provoked in the act of consumption synthesises a large body of contemporary literature on uncertainty, social change and consumption. In doing so, it offers a predominantly structural model of the anxiety provoking tensions and forces individual consumers may be exposed to. Drawing on the work of contemporary figurehead theorists of social change, and proposing his own application of Durkheim's model of suicide to the problem of consumption anxiety, Warde presents a model of how anxieties and their mitigation are embedded within configurations of contemporary consumer culture. Though Warde's analysis illustrates the structural, theoretical context of potential consumption anxieties for particular social groups, it is unable to specify how such anxieties are manifested and managed – or performed – by individuals within specific social and consumption settings. This paper takes an interpretive approach, conceptualising consumption anxiety as a discursive, narrative phenomenon likely to surface within particular social settings that are conducive to generating expressions of anxiety. The paper also considers the relation between narrativisation and objects, arguing that the cultural capacity of objects must be understood within local settings where objects are afforded a capacity to act through various discourses. The argument is drawn using selections of face-to-face interview data collected from a sample of middle-class householders on the practice of home decoration.  相似文献   
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A modified transformed chi-square statistic is defined for testing hypotheses of quasi-independence in the incomplete multi-dimensional contingency table and a simple method for determining degrees of freedom is given. A modified transformed chi-squareestimator of the expected cell frequencies is given in closed form for a general class of exact linear constraints. The co-variance matrix of estimated cell frequencies is derived under the assumption of a conditional Poisson distribution.  相似文献   
30.
We consider the test of the null hypothesis that the largest mean in a mixture of an unknown number of normal components is less than or equal to a given threshold. This test is motivated by the problem of assessing whether the Soviet Union has been operating in compliance with the Nuclear Test Ban Treaty. In our analysis, the number of normal components is determined using Akaike's Information Criterion while the hypothesis test itself is based on asymptotic results given by Behboodian for a mixture of two normal components. A bootstrap approach is also considered for estimating the standard error of the largest estimated mean. The performance of the testa are examined through the use of simulation.  相似文献   
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