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231.
This article reports the results of a nationally representative survey of 1,209 Americans that examines their support for Social Security and six other major social welfare programs. It probes the extent to which members of the public are willing to demonstrate their support, the differences in support among population subgroups, and the extent to which perceptions of Social Security and Social Security recipients predict overall support for Social Security. The authors find high levels of support among members of the public, including a willingness both to write letters to congress members and to pay higher taxes. Some groups of citizens—especially blacks and those who classify themselves as liberals—are more supportive than others, but the differences are not great and contribute little toward explaining the variance in support. The perceptions that the program makes a worthwhile contribution to society and that recipients have no alternative sources of income other than Social Security contribute the most toward predicting overall support for Social Security.  相似文献   
232.
This analysis focuses on feminist methodology in the field of sociology by surveying the techniques used in recent research concerning gender-related topics as well as feminist analyses of epistemological assumptions underlying the conduct of inquiry. In addition to the critique and reformulation of standard research practice, feminist methodology involves the development of innovative methodological approaches, including visual techniques, conversational and textual analysis, and analysis of spontaneous events. Linked to the development of innovation is the feminist analysis of the epistemological assumptions which underlie different ways of knowing. These principles of feminist knowledge include (1) the necessity of continuously and reflexively attending to the significance of gender relations as a basic feature of all social life, including the conduct of research; (2) the centrality of consciousness-raising as a specific methodological tool and as a “way of seeing;” (3) the need to challenge the norm of “objectivity” that assumes a dichotomy between the subject and object of research; (4) the concern for the ethical implications of research; and (5) an emphasis on the transformation of patriarchy and the empowerment of women.  相似文献   
233.
Floyd Bennett Field (FBF), 579 ha in extent, is a division of Gateway National Recreation Area. It is the site of a former airfield, constructed by filling salt marshes with dredged materials. Except for the portion known locally as the North Forty, all sections of FBF have been cut over to maintain low vegetation. A grassland management plan (GRAMP) for 165 ha was initiated in 1986, to maintain habitats for open-country birds. Over the next few years, encroaching woody vegetation was removed manually and mechanically from the management area. Since then, it has been maintained as a grassland and receives annual mowing, as well as continued manual removal of the larger woody sprouts.A portion of the GRAMP management area (III) was selected for intensive study of vegetation composition. A grid system was created and vegetation cover was estimated in 127, 1 m × 1 m quadrats. The quadrats were subjected to cluster analysis (CA). Eleven clusters were recognized. These clusters were treated as plant associations. The following types were distinguished: (native) little bluestem–dewberry grassland, six-weeks fescue annual grassland, a grass marsh, a rush marsh, a switchgrass dry grassland, and a deer-tongue panicgrass grassland; (exotic) mugwort herbland, oriental bittersweet-Japanese honeysuckle vineland, Kentucky bluegrass-mixed grassland, Japanese knotweed tall herbland, and spotted knapweed-common St. Johnswort herbland. The little bluestem–dewberry association accounted for nearly half of all quadrats; six subclusters were recognized. The plant associations determined by CA were compared with plant lists compiled during traverses of all of the map categories in the six GRAMP Areas (I, II, III, IV, V, VI). A table was created to relate the quantitative data of the plant associations to the appropriate map categories. A nonmetric multidimensional scaling ordination (NMDS) was performed on the quadrat data. Finally, the plant associations were compared with those described in the literature of local vegetation studies. The mowing program has been effective in decreasing woody plant cover and has permitted the invasion of a few taxa into monospecific communities, but attendant disturbance of the substrate is likely to cause an increase in exotic plant taxa. As earlier studies noted, mowing has caused the increase in cover of sod-forming grass, and bare ground has virtually disappeared in the managed area. This has negative implications for the maintenance of those grassland bird species that require open ground for nesting.  相似文献   
234.
S.L. Cook 《Omega》1973,1(6):647-667
Operational Research (OR) can be regarded as the use of science and scientific methods to influence decisionsto the benefit of society. In military, industrial and government contexts, overall social objectives have so far been taken for granted: victory, profitability, expansion of production and services, and so on; but now such simple objectives are in question. Management, technology and growth are seen to conflict with humanity, quality of life and prosperity. OR at present puts much more effort into pursuing the former group than the latter. Even the scientific method is under attack as a way of deciding social issues. OR must be able to justify its methods and its application. The old simple minded objectives are still pursued, but less whole-heartedly. There will be less demand for major OR studies of that kind. If OR is to survive, it must re-examine its social role in the new world climate.  相似文献   
235.
Mental health problems in the college population appear to be increasing in number and severity. University counseling services are limited in the number of counselors they can hire to meet the increasing demands. In addition, it is believed that many students do not actually seek much-needed counseling services due to lack of knowledge about mental health problems or services, stigma, or denial of the severity of the problem. Left unrecognized and untreated, mental health problems may lead to students dropping out or failing out of college, attempting or committing suicide, or engaging in other risky, dangerous behaviors that may result in serious injury, disability, or death. Mental health nursing faculty can help address this problem on college campuses by offering courses on mental health issues and skills, becoming involved with NAMI-on-Campus groups, and seeking grant opportunities that can be used to help develop and enhance services for the college community. Information about how to establish a NAMI-on-Campus group can be obtained by accessing http://www.namioncampus.org or http://www.nami.org.  相似文献   
236.
As a reaction against neo‐liberalism, Social Entrepreneurship has been promoted as the solution to welfare problems brought about by social change and persistent unemployment. The Social Entrepreneurship Movement (SEM) proposes the reconstruction of welfare by building social partnerships between the public, social and business sectors. Major aspects of this agenda include non‐profit organisations undertaking entrepreneurial ventures and the pooling of government welfare funding under the control of local communities. In this paper we argue that the SEM literature is based on two false premises: the failure to understand the true causes of mass unemployment, and the assumption that the government faces financial constraints in the provision of welfare services. We also argue that implementation of the SEM proposals would erode the rights‐based eligibility to universal welfare services based on the principle of social justice. We also conclude that the SEM is indistinguishable from neo‐liberalism and as such does not represent a viable solution to unemployment and the welfare needs that accompany it.  相似文献   
237.
ABSTRACT

While the family is increasingly being recognised as pivotal to migration, there remain too few studies examining how migration impacts on intergenerational relationships. Although traditional intergenerational gaps are intensified by migration, arguably there has been an over-emphasis on the divisions between ‘traditional’ parents and ‘modern’ children at the expense of examining the ways in which both generations adapt. As Foner and Dreby [2011. “Relations Between the Generations in Immigrant Families.” Annual Review of Sociology 37: 545–564] stress, the reality of post-migration intergenerational relations is inevitably more complex, requiring the examination of both conflict and cooperation. This article contributes to this growing literature by discussing British data from comparative projects on intergenerational relations in African families (in Britain, France and South Africa). It argues that particular understandings can be gained from examining the adaptation of parents and parenting strategies post-migration and how the reconfiguration of family relations can contribute to settlement. By focusing on how both parent and child generations engage in conflict and negotiation to redefine their relationships and expectations, it offers insight into how families navigate and integrate the values of two cultures. In doing so, it argues that the reconfiguration of gender roles as a result of migration offers families the space to renegotiate their relationships and make choices about what they transmit to the next generation.  相似文献   
238.
Wolbachia bacteria are obligatory intracellular parasites of arthropods and have been detected in about 70 species of parasitic wasps and three parasitoid flies. Wolbachia are transmitted cytoplasmically (maternally) and modify host reproduction in different ways to enhance their own transmission: parthenogenesis induction (PI), cytoplasmic incompatibility (CI), or feminization (F) of genetic males. Only PI and CI are known in parasitoids. PI-Wolbachia cause thelytoky in otherwise arrhenotokous parasitoids by generating diploid (rather than haploid) unfertilized wasp eggs. CI-Wolbachia cause incompatibility of crosses between infected males and uninfected females because the paternally derived chromosomes fail to decondense and are destroyed after syngamy. More complex situations arise when hosts harbor multiple infections, which can lead to bidirectional incompatibility and may be involved in parasitoid speciation. The relative fitness of infected and uninfected hosts is important to the population dynamics of Wolbachia, and more data are needed. Evolutionary conflict should be common between host genes, Wolbachia genes, and other "selfish" genetic elements. Wolbachia-specific PCR primers are now available for several genes with different rates of evolution. These primers will permit rapid screening in future studies of spatial and temporal patterns of single and multiple infection. Molecular phylogenies show that CI- and PI-Wolbachia do not form discrete clades. In combination with experimental transfection data, this result suggests that host reproductive alterations depend on the interaction between attributes of both Wolbachia and host. Moreover, Wolbachia isolates from closely related hosts do not usually cluster together, and phylogenies suggest that Wolbachia may have radiated after their arthropod hosts. Both results support considerable horizontal transmission of Wolbachia between host species over evolutionary time. Natural horizontal transmisson between parasitoids and their hosts, or with entomoparasitic nematodes or ectoparasitic mites, remains a tantalizing but equivocal possibility. Received: November 27, 1998 / Accepted: January 15, 1999  相似文献   
239.
In our effort to study women's experiences of participating in the #MeToo social movement and the effects it has had on their lives, we employed YouTube vlogs posted under that hashtag, instead of interviews, as our source of experiential data. Few scholars have engaged in detailed reflections on vlogs as a source of qualitative data. Even fewer evaluate vlogs in relation to studying sexual violence, particularly women's experiences of participating in #MeToo. In this paper we contribute to these methodological discussions by reflecting on our use of vlogs in such a study, appraising the productive potentials and concerns related to qualitative vlog data. They afforded us several methodological benefits, but also entailed ethical and analytical challenges.  相似文献   
240.
High levels of prenatal alcohol exposure (PAE) result in significant cognitive deficits in children, but the exact nature of the dose-response relationship is less well understood. To investigate this relationship, data were assembled from six longitudinal birth cohort studies examining the effects of PAE on cognitive outcomes from early school age through adolescence. Structural equation models (SEMs) are a natural approach to consider, because of the way they conceptualise multiple observed outcomes as relating to an underlying latent variable of interest, which can then be modelled as a function of exposure and other predictors of interest. However, conventional SEMs could not be fitted in this context because slightly different outcome measures were used in the six studies. In this paper we propose a multi-group Bayesian SEM that maps the unobserved cognition variable to a broad range of observed outcomes. The relation between these variables and PAE is then examined while controlling for potential confounders via propensity score adjustment. By examining different possible dose-response functions, the proposed framework is used to investigate whether there is a threshold PAE level that results in minimal cognitive deficit.  相似文献   
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