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This article examines the decline in mortality which occurred in Philadelphia in the late nineteenth and early twentieth centuries. Age- and cause-specific mortality rates accounting for the decline are isolated and the relative importance of several variables in explaining the reduction of overall mortality levels is assessed. By using small areas within the city we are able to establish the impact of particular innovations on specific causes of death. 相似文献
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This report illustrates how countertransference issues emerged for a consultant therapist whose guidance about practice was sought by an ill and dying colleague. The detechment necessary for consultation was difficult to maintain. Denial, avoidance, and isolation operated for both. Ambivalence about directive behavior developed. Unexpressed grief, shock, feelings of inadequacy, and identification with the colleague intruted but were managed. The occurrence of such countertransference phenomena can be anticipated and understood in a consultation process that represents one valuable, underutilized, and important means of encouraging quality clinical practice under extremely painful circumstances. 相似文献
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Polychlorinated dibenzo-p-dioxin's (PCDD) behavior in the agricultural food chain was modeled in this study. The source of PCDD was a municipal solid waste (MSW) incinerator. Of the farm livestock investigated only the beef cow and the milk cow were shown to contribute significant amounts of PCDD to humans. Milk was the single highest dietary source of PCDD. Comparison of the calculated human dose of PCDD from the agricultural food chain with an estimate human PCDD dose from inhalation of contaminated air revealed that the agricultural food chain could be responsible for a vast majority of the dose to an individual impacted by these facilities. Thus, these data suggest that operating MSW facilities in agricultural areas may result in enhanced PCDD exposure to individuals via the agricultural food chain. The data also suggest that milk and beef may be good sentinels to evaluate environmental impacts of these facilities. 相似文献
36.
A comparison between the two-sample t test and Satterthwaite's approximate F test is made, assuming the choice between these two tests is based on a preliminary test on the variances. Exact formulas for the sizes and powers of the tests are derived. Sizes and powers are then calculated and compared for several situations. 相似文献
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ABSTRACTCollective Impact (CI) is a framework for collaborative social change that has gained considerable attention over the past seven years. In this article we review the peer-reviewed academic research on the CI framework to understand what is known about its use. Nineteen articles were located. We identified four themes in the research: A need to adapt CI to the specific context, its technical nature, the importance of relationships, and concerns about power and equity. The literature on the CI framework is in its infancy and as such tends to focus on capacity building or model development. Whilst CI promotes important discussion about collaboration and social change, issues of power, equity and grass-roots engagement require further attention.IMPLICATIONS
Peer reviewed academic research on the application of CI is at an early stage and further research is needed.
Social workers should carefully consider critiques of CI before adopting this framework for social change.
39.
Autocratic leaders and authoritarian followers revisited: A review and agenda for the future 总被引:1,自引:1,他引:0
P.D. Harms Dustin Wood Karen Landay Paul B. Lester Gretchen Vogelgesang Lester 《The Leadership Quarterly》2018,29(1):105-122
Despite a long history within the field of leadership, the subject of authoritarianism and how it influences leadership and leadership processes has been neglected in recent decades. However, recent global events make it clear that a better understanding of authoritarianism is needed and that leadership researchers would benefit from a renewed interest in studying why followers embrace autocratic leaders. The nature of authoritarian character, how authoritarian values develop, and how it is measured will be discussed. We will also review autocratic leadership, the factors that make it more likely, its consequences for followers, and the moderators of its effects. A future research agenda for the study of authoritarian character and autocratic leadership will be provided. 相似文献
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This qualitative study of Kenyan non-governmental organizations (NGOs) identified strengths and challenges associated with service provision to orphans and vulnerable children (OVC). From September to December 2006, data were collected by Kenyan research assistants in 34 NGOs in Nairobi and Eldoret. In-depth interviews were used to explore the perceptions of directors and staff in relation to organizational strengths and challenges in serving OVC. Structuration theory and template analysis were used to identify higher-order codes related to strengths and challenges of human agents, organizations and societal forces. Emergent themes and supporting interview quotations are presented to highlight common patterns across organizations, including strengths such as staff commitment, client outcomes, and resourceful communities, as well as challenges such as lack of staff, funding, and parental involvement. Through the analysis we uncover insights about the recursive relationship between micro and macro realities in Kenyan NGOs and the accompanying human and social transformations that result from providing services to OVC. 相似文献