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131.
Raul Matsushita Donald Pianto Bernardo B. De Andrade Andre Cançado Sergio Da Silva 《统计学通讯:理论与方法》2019,48(8):2049-2059
We present a novel model, which is a two-parameter extension of the Poisson distribution. Its normalizing constant is related to the Touchard polynomials, hence the name of this model. It is a flexible distribution that can account for both under- or overdispersion and concentration of zeros that are frequently found in non-Poisson count data. In contrast to some other generalizations, the Hessian matrix for maximum likelihood estimation of the Touchard parameters has a simple form. We exemplify with three data sets, showing that our suggested model is a competitive candidate for fitting non-Poisson counts. 相似文献
132.
The International Migration System Between Turkey and Russia: Project‐Tied Migrant Workers in Moscow
The last 50 years of emigration history in Turkey indicate that the migratory flows of Turkish citizens have consecutively become a part of various migratory systems. In this essay, our main aims are twofold. First, we attempt to document the dynamics and mechanism of project‐tied migration from Turkey to the Russian Federation, focusing in particular on the case of project‐tied workers migrating from Turkey to Moscow. Second, this effort intends to elaborate on the research on migratory systems between Turkey and the former communist countries of Eastern Europe and Central and Northern Asian countries, mainly referring to macro‐, micro‐ and meso‐level factors affecting the relevant migration systems. In this paper, in which we tackle the various migration systems with which Turkey is involved, we conclude by arguing that parallel to the new migration patterns that have been experienced throughout the post‐Soviet geographies, the internalization process of Turkish constructors within the changing dynamics of Turkish foreign policy has widened the direction of the migration flows from Turkey by introducing new migrant worker profiles to different regions. In this sense, short‐term labour migrants, shuttle traders and in particular project‐tied migrant workers show not only the important role that migrants may play in the shift towards a market‐based economy in the Russian Federation, but also how they have become crucial actors of the migration system between Turkey and Russia. 相似文献
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135.
This paper studies how consumers' reported practices related to food, energy use in housing, daily mobility, and tourism are combined and structured. Social practice theories are the main theoretical framework of this research. Data are drawn from a sensitisation campaign run by the WWF-Belgium and the methods developed to attempt to translate the theoretical focus to practices. Results show that both the low number of ‘green’ practices reported and the multiplicity of combinations of practices indicate a rather important compartmentalisation of ‘green’ practices and seem to refute the hypothesis of vast domino effects in these four different areas. In addition, a wider openness to information on environmentally friendlier practices is associated with a larger number of such practices, which raises questions about the design of such campaigns. Finally, there is no conventionalised way of linking practices and commitments taken by the respondents to reduce their environmental impact. A few policy recommendations are derived for sensitisation campaigns that often assume domino effects between ‘green’ practices, and for tools dealing with personal carbon awareness. 相似文献
136.
Lucie Houle François Chiocchio Olga E. Favreau Martine Villeneuve 《Gender, Work and Organization》2012,19(6):592-614
In response to growing concerns with explaining how work and family interfere with each other and with statistical approaches that do not capture the way in which predictors interact, this study tested statistical interactions involving personal and social resources of 410 full‐time employed women and men. The results indicate that self‐efficacy is a strong predictor of family interfering with work (FIW) and work interfering with family (WIF). Gender moderates the relation between supervisor support and WIF moderates the impact of efficacy beliefs and instrumental support at home on FIW. Specifically, while supervisor support is negatively related to WIF in women and men, high levels of support more strongly affected men's perceptions of WIF. In low self‐efficacy men, high levels of support at home improved their perceptions of FIW but these perceptions worsened in women. These findings contrast with earlier research that focus predominantly on the predictive value of structural demands (for example, the number of hours worked per week and family size). This study shows that gender plays a critical yet intricate role as a predictor of the successful management of work and family roles: it is not gender per se but its interaction with personal and social variables that informs us about differences in the experience of employed parents. 相似文献
137.
Pagnan AS Ribeiro GF Gonçalves MG Câmara JJ Baptista SM 《Work (Reading, Mass.)》2012,41(Z1):1524-1530
Contemporary electronic industry offers a wide range of products. Usually touch sensitive and with few buttons and a lot of functions these products not always have a friendly interface. The human x design interface based on electronics' ergonomics is the focus of this research. An evolutionary analysis of the electronics industry design within a contemporary context clarifies this relation and proposes new guidelines for a more conscious design. 相似文献
138.
Bedsores (ulcers) are caused by multiple factors which include, but are not limited to; pressure, shear force, friction, temperature, age and medication. Specialised support services, such as specialised mattresses, sheepskin coverings etc., are thought to decrease or relieve pressure, resulting in a lowering of pressure ulcer incidence [3]. The primary aim of this study was to compare the upper/central body pressure distribution between normal lying in a hospital bed versus the use of a pressure redistribution belt. The study involved 16 healthy voluntary subjects lying on a hospital bed with and without wearing the belt. Results showed that the use of a pressure redistribution belt results in reduced pressure peaks and prevents the pressure from increasing over time. 相似文献
139.
Volunteer fire department is a service that responds emergency situations in places where there are no military emergency services. These services need to respond quickly, because time is often responsible for the operation success besides work environment and setup time interfere with the prompt response to these calls and care efficiency. The layout design is one factor that interferes with the quick setup. In this case, the spaces arrangement can result in excessive or unnecessary movements; also the equipment provision may hinder the selection and collection of these or even create movement barriers for the workers. This work created a new layout for the emergency assistance service, considering the human factors related to work through the task analysis and workers participation on the alternatives of improvement. The results showed an alternate layout with corridors and minimization of unusable sites, allowing greater flexibility and new possibilities of requirements. 相似文献
140.
Falzon P Nascimento A Gaudart C Piney C Dujarier MA Germe JF 《Work (Reading, Mass.)》2012,41(Z1):3855-3860
In France, in the private sector as in the public sector, performance-based management tends to become a norm. Performance-based management is supposed to improve service quality, productivity and efficiency, transparency of allotted means and achieved results, and to better focus the activity of employees and of the whole organization. This text reports a study conducted for the French Ministry of Budget by a team of researchers in ergonomics, sociology and management science, in order to assess the impact of performance-based management on employees, on teams and on work organization. About 100 interviews were conducted with employees of all categories and 6 working groups were set up in order to discuss and validate or amend our first analyses. Results concern several aspects: workload and work intensification, indicators and performance management and the transformation of jobs induced by performance management. 相似文献