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排序方式: 共有368条查询结果,搜索用时 31 毫秒
91.
92.
Louise Seamster 《Sociology Compass》2015,9(12):1049-1065
Urban regime analysis and growth machine theory offer critical tools to study power and inequality in cities. However, the field of urban politics has moved away from critically addressing race. I discuss these theories' potential contributions before suggesting scholars “bring race back” to urban politics in several key areas: studying “White urban regimes” in addition to Black urban regimes; examining how Whiteness factors into growth (and anti‐growth) coalitions; exploring how racial discourse shapes urban regimes; and accounting for the relationship between suburbs and “fringe cities” and the city, including suburban regimes. 相似文献
93.
Louise Corti Veerle Van den Eynden 《International Journal of Social Research Methodology》2015,18(5):545-559
Researchers’ responsibilities towards their research data are changing across all domains of social scientific endeavour. Government, funders and publishers expect greater transparency of, open access to, and re-use of research data, and fears over data loss call for more robust information security practices. Researchers must develop, enhance and professionalise their research data management skills to meet these challenges and to deal with a rapidly changing data sharing environment. This paper sets out how we have contributed to jump-starting the research methods training curriculum in this field by translating high-level needs into practical guidance and training activities. Our pedagogical approach involves applicable, easy-to-digest, modules based on best practice guidance for managing and sharing research data. In line with recent findings on successful practices in methods teaching, we work on the principle of embedding grounded learning activities within existing narratives of research design and implementation. 相似文献
94.
Louise Miskell 《Immigrants & Minorities》2005,23(2):233-253
This study explores the problems of entry by middle-class Irish migrants into respectable urban elite networks in British towns. Although opportunities to participate in political, cultural and charitable institutions were plentiful in nineteenth-century urban Britain, few Irish migrants achieved such distinctions. In the context of south Wales, this was because there were few opportunities for Irish migrants to acquire the necessary occupational status for entry into public life. Those Irish who worked in 'middle class' occupations, were more likely to do so in the retail and service sectors than in the professions, from which ranks local 'worthies' were more likely to be drawn. As a result, they struggled to attain status and remained on the margins of respectable Welsh middle-class life. For these Irish, the 'ethnic sphere' provided an alternative network within which status and recognition could be achieved. 相似文献
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Louise Choo Stephen G. Walker 《Journal of the Royal Statistical Society. Series A, (Statistics in Society)》2008,171(2):395-405
Summary. For rare diseases the observed disease count may exhibit extra Poisson variability, particularly in areas with low or sparse populations. Hence the variance of the estimates of disease risk, the standardized mortality ratios, may be highly unstable. This overdispersion must be taken into account otherwise subsequent maps based on standardized mortality ratios will be misleading and, rather than displaying the true spatial pattern of disease risk, the most extreme values will be highlighted. Neighbouring areas tend to exhibit spatial correlation as they may share more similarities than non-neighbouring areas. The need to address overdispersion and spatial correlation has led to the proposal of Bayesian approaches for smoothing estimates of disease risk. We propose a new model for investigating the spatial variation of disease risks in conjunction with an alternative specification for estimates of disease risk in geographical areas—the multivariate Poisson–gamma model. The main advantages of this new model lie in its simplicity and ability to account naturally for overdispersion and spatial auto-correlation. Exact expressions for important quantities such as expectations, variances and covariances can be easily derived. 相似文献
98.
M. Sazzad Hussain Juchen Li Louise A. Ellis Laura Ospina-Pinillos Tracey A. Davenport Rafael A. Calvo 《Journal of Technology in Human Services》2015,33(4):304-329
As online mental health support groups become increasingly popular, they require more support from volunteers and trained moderators who help their users through “interventions” (i.e., responding to questions and providing support). We present a system that supports such human interventions using Natural Language Generation (NLG) techniques. The system generates draft responses aimed at reducing moderators’ workload, and improving their efficacy. NLG and human interventions were compared through the ratings of 35 psychology interns. The NLG-based system was capable of generating messages that are grammatically correct with clear language. The system needs improvement, however, moderators can already use it as draft responses. 相似文献
99.
Helen Parise M. P. Wand David Ruppert & Louise Ryan 《Journal of the Royal Statistical Society. Series C, Applied statistics》2001,50(1):31-42
The analysis of animal carcinogenicity data is complicated by various statistical issues. A topic of recent debate is how to control for the effect of the animal's body weight on the outcome of interest, the onset of tumours. We propose a method which incorporates historical information from the control animals in previously conducted experiments. We allow non-linearity in the effects of body weight by modelling the relationship nonparametrically through a penalized spline. A simple extension of the penalized spline model allows the relationship between weight and the onset of tumour to vary from one experiment to another. 相似文献
100.
Ringwalt C Ennett ST Vincus AA Rohrbach LA Simons-Rudolph A 《Journal of drug education》2004,34(1):19-31
This study investigates the relative roles of school district and school-level decision-makers in the implementation of effective substance use prevention curricula. Drawing on a "Site-Based Management" approach to effective decision-making, we hypothesized that schools whose personnel played active decision-making roles would be more likely to implement effective curricula than those in which decision-making was the prerogative of school district personnel. Study data comprised 1369 questionnaires completed by a representative national sample of both district-level prevention coordinators and middle school-based lead prevention teachers. From the perspective of the lead prevention teachers, the school district-level prevention coordinator was more influential than school staff in selecting effective prevention curricula. However, we did find some support for our hypothesis from our district-level informants, who indicated that community groups and advisory committees also play a modest role in the selection of such curricula. 相似文献