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91.
Duncan A. Robertson 《Risk analysis》2019,39(1):225-243
Within risk analysis and, more broadly, the decision behind the choice of which modeling technique to use to study the spread of disease, epidemics, fires, technology, rumors, or, more generally, spatial dynamics, is not well documented. While individual models are well defined and the modeling techniques are well understood by practitioners, there is little deliberate choice made as to the type of model to be used, with modelers using techniques that are well accepted in the field, sometimes with little thought as to whether alternative modeling techniques could or should be used. In this article, we divide modeling techniques for spatial transmission into four main categories: population‐level models, where a macro‐level estimate of the infected population is required; cellular models, where the transmission takes place between connected domains, but is restricted to a fixed topology of neighboring cells; network models, where host‐to‐host transmission routes are modeled, either as planar spatial graphs or where shortcuts can take place as in social networks; and, finally, agent‐based models that model the local transmission between agents, either as host‐to‐host geographical contacts, or by modeling the movement of the disease vector, with dynamic movement of hosts and vectors possible, on a Euclidian space or a more complex space deformed by the existence of information about the topology of the landscape. We summarize these techniques by introducing a taxonomy classifying these modeling approaches. Finally, we present a framework for choosing the most appropriate spatial modeling method, highlighting the links between seemingly disparate methodologies, bearing in mind that the choice of technique rests with the subject expert. 相似文献
92.
Steve Robertson 《Sociology Compass》2012,6(2):134-150
This and an accompanying article ( Robertson and Monaghan 2012 ) constitute a developmental ‘think piece’ on embodied heterosexual masculinities, emotions and health. After highlighting the imbrications of heterosexual intimacy, hegemonic masculinity and health – alongside a note on the relevance and limitations of existing literature – our discussion includes: a critical acknowledgement of (different) feminist scholarship and queer theory; reflections on the ‘pure relationship’ and ‘confluent’ or ‘liquid love’; the ‘individualisation thesis’ and the rise of ‘abstract knowledge’; the separation of love from sex as a possible masculine ruse; corporeality, eroticism and the rationalisation of sex. In conclusion, we underscore the need for more research on embodied masculinities, heterosexualities and emotions. 相似文献
93.
94.
Yuliya Cannon Joe Avera Derek Robertson Mercedes Ingram Ashely Prado 《Journal of LGBT Issues in Counseling》2017,11(2):68-87
In light of persistent discrimination, many individuals who are transgender lack a safe space to connect with others. Social media has become a platform for establishing social ties, receiving education, and sharing of resources that may not otherwise be available to individuals on the margins of society. Yet little is understood about the role of social media in the lives of individuals who are transgender. In this qualitative study, the researchers examined the experiences of adults who are transgender (N = 5) who use social media. The current study also explored possible benefits and hindrances of social media for individuals who are transgender. Two main themes emerged: social media as a resource and a path to self and authenticity. The researchers encourage counselors to become familiar with various social networking sites and their privacy settings, and propose using a theoretical framework to guide counseling work with individuals who are transgender to reflect on social media connections and disconnections. 相似文献
95.
Susan D. Einbinder Peter J. Robertson Armando Garcia Gojko Vuckovic Rino J. Patti 《Journal of Children and Poverty》2000,6(2):119-140
Organizational scholars have identified four prerequisites to effective interorganizational collaboration: incentive, willingness, ability, and capacity. This study analyzes data drawn from participants in eight family services collaboratives in order to assess the relationships identified in the literature. Our findings support the premise that each of these prerequisites is positively related to collaborative effectiveness. Implications for collaboration leaders are suggested. 相似文献
96.
ABSTRACTIn this introduction, we argue that paying attention to the heterogeneous and multi-directional characteristics of mobilities in the Asia-Pacific can generate new conceptual and empirical insights for research on migration and mobility, transnationalism, and intercultural encounters. We note that temporality and materiality are productive lenses for connecting research across diverse urban locales, and to understand the changes these locales experience as a result of emerging forms of mobility. We also draw out three key themes that emerge from the analyses presented by papers in this special issue, and which link the papers as a collection. First, the collection challenges conventional ways in which migrant and non-migrant subjects are classified and researched, by working within the conceptual space opened up by arguments against ‘migrant exceptionalism’, on the one hand, claims for the centrality of the ‘figure of the migrant’ on the other. Second, the papers implicitly or explicitly unpack the temporal, spatial and material consequences of migration and mobility in terms of how aspirations manifest materially and through affective encounters. Third, the collection as a whole signals the analytic power of connecting seemingly distinct sites and scales in and through which migration and mobility take place. 相似文献
97.
Holly Robertson Huffnagle 《East European Jewish Affairs》2015,45(1):42-64
Before the Holocaust, Jews and Muslims lived in close proximity in the kresy (borderlands) of northeastern Poland. While an abundance of literature exists on Jewish-Christian relations in Poland, no scholarly comparison of the history of coexistence specifically between Jews and Muslims in this territory has previously been done. This article is the first to document the living situation of these two Abrahamic faith minorities in interwar Poland. In a handful of small villages and even larger towns, they traded together on the market square, Muslims bought their meat from the local Jewish shochet, the Jews received fresh vegetables from their Muslim neighbors, and they even celebrated certain religious holidays together. These stories complicate previous arguments of self-imposed minority separateness which argue that social interactions between Jews and non-Jews were uniformly minimal and superficial. 相似文献
98.
Kate E. Fothergill Margaret E. Ensminger Kerry M. Green Roland J. Thorpe Judy Robertson Judith D. Kasper Hee‐Soon Juon 《Journal of marriage and the family》2009,71(4):848-861
Using longitudinal data from the Woodlawn Project (N= 680), this study examined how patterns of living arrangements among a community cohort of African American mothers were associated with later physical and emotional health. We identified eight patterns of stability and transition in living arrangements during the childrearing years. Health outcomes include SF‐36 Physical Functioning, SF‐36 Bodily Pain, depressed mood, and anxious mood. Specific patterns of living arrangements were related to later health, controlling for age, earlier health, education, and poverty. Poverty explained many, but not all, of the relationships between living arrangements and health. Findings underscored the benefits of social support and social integration and highlighted the negative effects of marital dissolution on health. 相似文献
99.
This paper illustrates a new approach to the statistical modeling of non-linear dependence and leptokurtosis in exchange rate data. The student's t autoregressive model withdynamic heteroskedasticity (STAR) of spanos (1992) is shown to provide a parsimonious and statistically adequate representation of the probabilistic information in exchange rate data. For the STAR model, volatility predictions are formed via a sequentially updated weighting scheme which uses all the past history of the series. The estimated STAR models are shown to statistically dominate alternative ARCH-type formulations and suggest that volatility predictions are not necessarily as large or as variable as other models indicate. 相似文献
100.