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21.
Topics in Microbial Risk Assessment: Dynamic Flow Tree Process   总被引:5,自引:0,他引:5  
Microbial risk assessment is emerging as a new discipline in risk assessment. A systematic approach to microbial risk assessment is presented that employs data analysis for developing parsimonious models and accounts formally for the variability and uncertainty of model inputs using analysis of variance and Monte Carlo simulation. The purpose of the paper is to raise and examine issues in conducting microbial risk assessments. The enteric pathogen Escherichia coli O157:H7 was selected as an example for this study due to its significance to public health. The framework for our work is consistent with the risk assessment components described by the National Research Council in 1983 (hazard identification; exposure assessment; dose-response assessment; and risk characterization). Exposure assessment focuses on hamburgers, cooked a range of temperatures from rare to well done, the latter typical for fast food restaurants. Features of the model include predictive microbiology components that account for random stochastic growth and death of organisms in hamburger. For dose-response modeling, Shigella data from human feeding studies were used as a surrogate for E. coli O157:H7. Risks were calculated using a threshold model and an alternative nonthreshold model. The 95% probability intervals for risk of illness for product cooked to a given internal temperature spanned five orders of magnitude for these models. The existence of even a small threshold has a dramatic impact on the estimated risk.  相似文献   
22.
Values are an essential part of the identity of non-government organizations (NGOs), distinguishing them from other sectors and contributing to their legitimacy. Values are neither uncontested nor wholly self-determined, but rather are products of the broader social and political environment. The meaning of values must be negotiated with multiple actors, such as funding agencies, the state, and the general public including their “clients.” This paper looks at the ways that the meaning of a particular NGO value—voluntarism—is negotiated and contested in India. I argue that conceptualizations of voluntarism are neither singular, nor static, and that NGOs draw on these to claim legitimacy, or contest them through counter-narratives. These struggles over the meaning of voluntarism are in themselves productive, shaping organizational identity, and functioning. Values can thereby be a useful analytical tool to understanding NGOs.  相似文献   
23.
This evaluation assessed whether participation in Parents Anonymous mutual support groups was associated with child maltreatment prevention. Parents new to groups across the United States were interviewed at baseline, one month, and six months. Using standardized scales, all parents showed improvements in some child maltreatment outcomes, risk factors, and protective factors. Parents starting out with particularly serious needs showed statistically significant improvement on every scale. Results indicated that Parents Anonymous participation contributes to child maltreatment reduction.  相似文献   
24.
Although cross-cultural research concerning children's emotions is growing, few studies have examined emotion dysregulation in culturally diverse populations. This study compared 6- to 8-year-old children's reported methods of expressing and controlling anger, sadness, and physical pain, and their justifications for doing so across four groups in urban India: those with internalizing problems (N = 31), externalizing problems (N = 32), somatic complaints (N = 25), and an asymptomatic control group (N = 32). Results revealed that in comparison to physical pain, Indian children were less likely to report expressing anger and sadness through direct facial/verbal means. Control-group children reported expressing anger and sadness through indirect verbal cues more so than pain, whereas the internalizing and externalizing groups considered their expressions of anger and sadness uncontrollable and reported crying and utilizing aggressive behaviors, respectively, more than the control group. The somatic complaints group considered emotions trivial and reported withdrawing more than the control group.  相似文献   
25.
ABSTRACT

The importance of fathers' involvement in their children's lives is irrefutable. Supportive, warm, and positive involvement of fathers leads to children being well-adjusted. Indeed, involved fathers positively influence their children's cognitive ability, social behavior, psychological well-being, and educational achievement. For children in foster care, when fathers are involved they have significantly shorter stays in foster care than those whose fathers are not involved. For parents to demonstrate fitness to parent they must show the successful completion of goals specified in a case plan that promotes safety and permanence of their child. This cross-sectional study investigated how fathers' perception of social workers' attitude and practice skills was associated with fathers' understanding and confidence with regard to completing the case plan goals. A purposive sample of 56 child welfare-involved fathers completed the Child Welfare Father Involvement Questionnaire. The findings indicated that the more positive fathers perceived social workers' attitude and skills, the greater their understanding about the case plan goals and greater confidence to complete case plan goals. The results were statistically significant. These results have implications for child welfare training to build the social worker-client relationship in a compassionate manner while maintaining a rigorous assessment and monitoring of fathers' parenting capabilities.  相似文献   
26.
This article discusses the impact of lesbian mothers' activism on legislation and personal well-being. Using a meaning reconstruction framework, the activism of lesbian parents is evaluated as a source of resilience and strength in the current political climate. A case history of one community where lesbian mothers formed a local coalition in response to a statewide proposition to ban same-sex marriage in Texas is described. This community example shows how the activism of lesbian parents can transform both community and activists. Implications for community organizers, therapists and LGBT parents/allies are discussed.  相似文献   
27.
The present study provides insight into the extent and rationale of fathers' involvement with their children and the child welfare system. This qualitative study explored 12 child welfare–involved fathers' perceptions of fatherhood and factors that facilitate and inhibit case planning involvement. The findings indicate that most fathers strongly desired to stay involved with their children but felt they needed to overcome social workers' negativity, unfair agency policies and practices, and economic difficulties in order to complete their case plan goals and remain in their children's lives. Recommendations are provided for child welfare policy, practice, and research.  相似文献   
28.
Abstract

This article investigates the relationship between science and nation, class and gender in the televised Nobel Banquet, held after the Nobel Prize ceremony. The representation of the body of the Swedish Queen is used as a lens through which to view intersectional power dimensions. Drawing on cultural, media and gender studies, this article examines the mediated persona of the Queen in the televised Nobel Banquet via contextualized textual analysis. The article suggests that the purpose of the Nobel Foundation in inviting the royals is to enhance the social status of science. But it is the Queen who has received more TV time than anyone else—scientist or royalty—since her TV debut in 1976. How can the camera focus on her silent body be interpreted in relation to science? This article suggests that the meaning of the Queen’s body also implies certain understandings of central power dimensions. The body of the Queen signifies that gender, heterosexuality, class affiliation, nationality, and race are important and normative factors in scientific discourse. At the Nobel Banquet, the representation of her body identifies science as associated with the heterosexual, white elites, and reproduces a traditional, ideal femininity.  相似文献   
29.
AimThe aim of this paper is to describe the factors that impact on the mental health of Australian and New Zealand (NZ) women in the perinatal period (pregnancy and the year following birth), and to determine the impact of perinatal mental health on women's subsequent health by summarising findings from prospective longitudinal studies conducted in Australia and NZ.MethodsA systematic search was conducted using the databases, Scopus, Medline, PsychInfo and Health Source to identify prospective longitudinal studies focused on women's social and emotional health in the perinatal period. Forty-eight papers from eight longitudinal studies were included.ResultsThe proportion of women reporting depressive symptoms in the first year after birth was between 10 and 20% and this has remained stable over 25 years. The two strongest predictors for depression and anxiety were previous history of depression and poor partner relationship. Importantly, women's mood appears to be better in the first year after birth, when compared to pregnancy and five years later. Becoming a mother at a young age is by itself not a risk factor unless coupled with social disadvantage. Women report a high number of stressors in pregnancy and following birth and the rate of intimate partner violence reported is worryingly high.ConclusionMidwives have an important role in the identification, support and referral of women experiencing mental health problems. As many women do not seek help from mental health services, the potential for a known midwife to impact on women's mental health warrants further examination.  相似文献   
30.
The Badan Keswadayaan Masyarakat (BKM—Board for Community Self-reliance) are organisations established by the state as implementing agents of a community-driven development programme in Medan, Indonesia. Members are elected from the local population, but they continue to be supported by, and associated with the state. They are therefore ‘straddler’ organisations: organisations that span the state–civil society divide. This paper seeks to answer two questions. First, can BKMs’ positioning between the state and civil society facilitate new forms of state/non-government organisations (NGO) collaboration, and if so, what is the nature of partnerships established through such collaborations? We find that straddle organisations offer a way for NGOs to collaborate with the state in the achievement of development objectives. Second what is the possibility and desirability of arrangements in which NGOs ‘channel’ funds to BKMs as a means to ensure the sustainability of the latter? We argue that while there is considerable promise in such arrangements, these should be designed around a model of ‘working together’ rather than merely ‘channelling’.  相似文献   
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