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81.
Asthma is one of the most common health burdens on American families. An understanding of how the costs of asthma are distributed across communities is essential to realizing cost savings from preventative care. We model the household’s utilization of hospital services using Grossman’s health production framework. We then test for differences in asthma-related hospitalizations by race using inpatient records from the Massachusetts Division of Health Care Finance. On average black and nonwhite-Hispanic patients stayed between one-third and one-fourth of a day less than similar white patients which translates into a difference in expenditures of $8 million over 1994–2002. The difference in expenditures raises questions for market-based methodologies to value health and for policies directed at reducing inequalities in health outcomes.  相似文献   
82.
Three experiments investigated the role of prosodic structure for infants' recognition of embedded word sequences. Six‐month‐olds were familiarized with 2 versions of the same sequence, 1 corresponding to a well‐formed prosodic unit and the other to a prosodically ill‐formed sequence (although a successive word series). Next, infants heard 2 test passages. One included the well‐formed unit, and the other included the ill‐formed sequence. In Experiment 1, infants listened longer to the passage containing the well‐formed unit, suggesting that such units, even when they are embedded, are better recognized. Experiments 2 and 3 showed that this better recognition does not depend on an acoustic match between the familiarized sequences and their later embeddings. This suggests that the advantage of the well‐formed unit is at least partially due to infants' use of prosody to parse continuous speech.  相似文献   
83.
Migration and multiculturalism are key topics in politics, in the media, in education and in the social sciences. It is a phenomenon that has been discussed again and again during the last fifteen years with the aim to find solutions. A theoretical set of points of consideration is established in the first chapter in order to understand how migration is running counter to the ‘normal’ condition and development of society, and tends to cause problems in various contexts. Case histories in the second chapter show how communities are handling the consequences of immigration in practice and in the framework of the specific prevailing national and welfare state structures, and especially how communities are meeting the challenge politically and with their system of social services. In the final chapter the most important findings are summarized.  相似文献   
84.
This report describes empirical research conducted to study the research question, “To what extent do foreign managers' own cultural values influence their perceptions of the corporate values of companies in other cultures?” Using the authors' “Business Values Questionnaire,” business managers from Hong Kong gave their perceptions of publicly stated corporate values of very large U.S. service companies. A similar United States sample was used as a comparison group. Results gave partial support to the authors' hypotheses that an individual's own cultural values influence perceived values of another culture.  相似文献   
85.
Women's numbers in high-paying, male-dominated occupations have risen in the past three decades, but they disproportionately hold lower-paying jobs within those occupations. A cohort sample of Wall Street securities professionals shows how sex segregation occurs over time, as men's and women's different experiences lead them to change functions, to change firms, or to leave the securities industry. While seemingly similar processes impinge on the careers of everyone in this exceptionally high-paid occupation, family constraints and gender discrimination produce differential results for similarly qualified men and women. Over time men disproportionately gain the very highest paying Wall Street jobs.  相似文献   
86.
87.
The authors consider the problem of estimating the density g of independent and identically distributed variables XI, from a sample Z1,… Zn such that ZI = XI + σ? for i = 1,…, n, and E is noise independent of X, with σ? having a known distribution. They present a model selection procedure allowing one to construct an adaptive estimator of g and to find nonasymptotic risk bounds. The estimator achieves the minimax rate of convergence, in most cases where lower bounds are available. A simulation study gives an illustration of the good practical performance of the method.  相似文献   
88.
From a radical-critical perspective, the gap between the everyday world as experienced and the sociological world as theorized is nowhere so apparent as in the area of human sexuality. Conventional research on human sexuality appears atheoretical, ahistorical, and reductionistic. The viability of a radical-critical alternative is demonstrated with examples of research and theory in three sub-areas: (1) sexuality as identity (socialization approach); (2) sexuality as ideology (comparative and historical approach); and (3) sexuality as power (political-economic approach). The paper discusses three distinguishing characteristics of the radical-critical perspective. The approach: (1) is holistic and historical; (2) urges theoretical explanation for each topic of sexuality under investigation; and (3) offers a critical evaluation of thestatus quo and calls for radical change.  相似文献   
89.
The greatest burden of economic recession falls on the unemployed. Research in this area has resulted in a general consensus that the large majority of the unemployed are psychologically impaired. From the voluminous relevant literature, three conceptual issues are singled out for discussion: the research style—that is, the dominant questions investigated and the corresponding research procedures; explanations for the mental state of the unemployed and the role of theory; and the concept of mental health as involving more than the absence of mental illness.  相似文献   
90.
Religious ministry, theology, and even the study of religion in history and sociology have been done for so long from a male point of view that the burgeoning activity and reflection of women scholars and activists are not yet researched or deliberated when male scholars define the parameters for interpretation and name the problems as they perceive them. Current scholarship is sadly lacking in its address of modern problems in religious perspective, especially as attempts are made to understand the new pressures on population and institutions.  相似文献   
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