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21.
Xiao Tingyin Oppenheimer Michael He Xiaogang Mastrorillo Marina 《Population and environment》2022,43(3):289-318
Population and Environment - Climate variability and climate change influence human migration both directly and indirectly through a variety of channels that are controlled by individual and... 相似文献
22.
Marina Richter 《The International migration review》2004,38(1):263-286
Focusing on two main aspects of the Spanish‐Galician migration experience, this article attempts to analyze how migrants' actions and discourses are shaped by notions of gender. First, the discourse of returning will question notions of family and how differently men and women define their positions as members of a family. While men seem to link their social identity to immovable goods of prestige back in Galicia, women are able to redefine their social identity as they base it on social relations. The second aspect deals with the fact that cleaning is defined as women's work, but at the same time it is — under certain conditions — performed by men. 相似文献
23.
Gravediggers have death as object of their work. Their activities are painful, physically and mental demanding, as well as unhealthy. Literature is scarce about this theme. The aim of this study is to evaluate gravediggers' work activities and health consequences. The methodological frame which guided this study was Dejours' psychic suffering and its association with the psychodynamic aspects of work. Data collection took place in April-May 2011 in one public and one private cemetery of S?o Paulo, Brazil. Four male workers, aged between 45 to 60 years old were interviewed. Their work activities were observed during a workday. Participants reported their life dreams, defense mechanisms and frustration. The discourse of gravediggers showed serious problems associated to physical and mental demands, public invisibility and/ or social devaluation of work. The most important physical symptom was body pain. In spite this is a preliminary study, it was possible to raise a number of work stressors and health outcomes of gravediggers, an "invisible" worker of our society. 相似文献
24.
25.
Marina Liborakina 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》1996,7(4):397-411
Historically, civil activism was primarily shaped illegally in Russia, through the revolutionary underground under tsarism,
and via dissident movement under the Soviet regime. Among legal enterprises, philanthropy maintained an orientation toward
gradualist social change and mutual support. Women have played a major role in philanthropy and voluntary activities in Russia.
Compared to European and American women, Russian women enjoyed far more extensive property rights which defined different
strategies for gaining access to public space. Women's philanthropy made its greatest impact on public policy-making agendas
not through maternalistic programmes for mothers and children but through education of women and girls, and support of women
entering the job market. However, their contribution, especially in its civic aspects, has been undervalued for many reasons,
particularly in the interpretation of a powerful ethos of female self-sacrifice peculiar to Russian women as a basic motive
of women's voluntarism. This article challenges this interpretation and instead portrays women in philanthropy and voluntary
activity as agents of social change. 相似文献
26.
This paper examines the relationship between professional work and standardization. There has been an increase in the use of standardized programmes in child welfare services (CWS) in Western society. Some researchers have criticized standardized programmes suggesting that they undermine professionals expertise and threaten their position, whereas others argue that such programmes strengthen professional practice. In this paper, we examine how standardized tools, in this case, a standardized parenting programme and a standardized Norwegian assessment tool, influence professional roles as experienced by child welfare workers (CWS professionals) in Norway. Semistructured individual and group interviews were conducted with 31 frontline workers in two CWS agencies. Our findings suggest that standardized tools increase the social workers experienced professional competence but challenge their professional knowledge base, reflective practice, and professional accountability. Professional and practical implications for CWS work are discussed in the light of these findings. 相似文献
27.
The Family Group Conference (FGC) is grounded in a rights-based framework, whereby children and their families have the right and responsibility to be primary decision-makers when child protection issues arise, and the statutory agency has the responsibility to convene the entitled members of the family network to lead the decision-making. A distinct core component of FGC—private family time (PFT)—allows families to discuss the information and formulate their responses and plans privately during conferencing. This paper describes how a large child welfare agency in the United States adapted PFT in two ways: (1) including a parent advocate (PA) and (2) abbreviating the amount of time allowed for this discussion. Given the lack of empirical research on the PFT component, this qualitative exploratory study sought to understand the functions and perceived impacts of PA-supported PFT during initial child protective services (CPS) conferences at which decisions of child removal or placement were being contemplated. PFT served multiple beneficial functions and impacted families in several positive ways: families gained greater awareness of safety concerns, felt empowered and confident in the preferred safety and service plan, became increasingly engaged and involved in the case decision-making process and ultimately felt less apprehensive. 相似文献
28.
Time series arising in practice often have an inherently irregular sampling structure or missing values, that can arise for
example due to a faulty measuring device or complex time-dependent nature. Spectral decomposition of time series is a traditionally
useful tool for data variability analysis. However, existing methods for spectral estimation often assume a regularly-sampled
time series, or require modifications to cope with irregular or ‘gappy’ data. Additionally, many techniques also assume that
the time series are stationary, which in the majority of cases is demonstrably not appropriate. This article addresses the
topic of spectral estimation of a non-stationary time series sampled with missing data. The time series is modelled as a locally
stationary wavelet process in the sense introduced by Nason et al. (J. R. Stat. Soc. B 62(2):271–292, 2000) and its realization is assumed to feature missing observations. Our work proposes an estimator (the periodogram) for the
process wavelet spectrum, which copes with the missing data whilst relaxing the strong assumption of stationarity. At the
centre of our construction are second generation wavelets built by means of the lifting scheme (Sweldens, Wavelet Applications
in Signal and Image Processing III, Proc. SPIE, vol. 2569, pp. 68–79, 1995), designed to cope with irregular data. We investigate the theoretical properties of our proposed periodogram, and show that
it can be smoothed to produce a bias-corrected spectral estimate by adopting a penalized least squares criterion. We demonstrate
our method with real data and simulated examples. 相似文献
29.
30.
Marina Balboa José Martí Nina Zieling 《Innovation: The European Journal of Social Science Research》2011,24(4):449-466
This paper contributes to the literature on the effect of venture capital (VC) on the economic development of areas in which those specialized investors are active. The work focuses on the separate consideration of two effects that are supposed to explain the superior performance of a large sample of Spanish VC-backed firms, namely funding and value-added services provided by VC managers to their investee firms. The results show that funding is significant regardless of the stage of development of the investee firm. The value added, however, is only significant for the subsample of firms at the expansion stage. 相似文献