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91.
We consider asymptotic properties of the maximum likelihood and related estimators in a clustered logistic joinpoint model with an unknown joinpoint. Sufficient conditions are given for the consistency of confidence bounds produced by the parametric bootstrap; one of the conditions required is that the true location of the joinpoint is not at one of the observation times. A simulation study is presented to illustrate the lack of consistency of the bootstrap confidence bounds when the joinpoint is an observation time. A removal algorithm is presented which corrects this problem, but at the price of an increased mean square error. Finally, the methods are applied to data on yearly cancer mortality in the US for individuals age 65 and over. 相似文献
92.
93.
Traditionally, young people's transitions from a state of dependent childhood to an independent adult identity have been measured in terms of a developmental stage model. However, it is increasingly being recognised that young people are not a universal category and that their transitions need to be understood within the diverse context of peers, family, and communities. This paper draws on a rich body of work from the interdisciplinary field of Deaf studies and original research with D/deaf young people – a group generally overlooked by sociological research – to challenge and to advance conventional interdisciplinary debates about youth transitions in two ways. In the first half of the paper we examine D/deaf young people's conventional school‐to‐work, housing and domestic transitions and in doing so reflect upon the ways that their experiences shed a new light on understandings of these traditional markers of independent adulthood. In the second half of the paper we challenge conventional definitions of what marks an important transition by focusing on the transition that many D/deaf young people themselves define as the most significant in their lives, learning BSL and the transition to an independent D/deaf identity that this enables them to make. In doing so the paper mainstreams within sociology an important body of research about D/deaf people's experiences from Deaf studies. 相似文献
94.
On December 8, 2004, the Selendang Ayu, a Malaysian‐flagged freighter, ran aground off Unalaska Island in Alaska's Aleutian chain. Despite rescue efforts by the United States Coast Guard, six of the Selendang Ayu's crew members died. In addition to the deaths, more than 300,000 gallons of heavy bulk fuel oil spilled into the sea. Much of the oil washed onto the island's shores, into areas providing cultural, recreational, subsistence, and commercial fishing resources for residents of the renewable resource community of Dutch Harbor/Unalaska. The purpose of this article is to identify and examine different dimensions of risk, based on qualitative research conducted in 2005. We use a contextual constructionist approach to understand risk, which conceptualizes risk as an objective hazard, threat, or danger that is mediated through social and cultural processes. Research methods included 31 personal interviews, participatory observation, and a review of media coverage. Findings revealed several dimensions of risk perceived by residents: the incident in relation to Dutch Harbor/Unalaska as a high‐risk community and more general current events; threats to the community's annual $1 billion seafood industry; threats to Alaska Native subsistence culture; and issues of future risk and uncertainty. Interviews and observations support our conclusion that the Selendang Ayu incident represented a “shot across the bow” that could have been a “worst case” if oil had contaminated commercial fish processing. Residents believe that it is only a matter of time before another, more damaging accident occurs. Given this general perception, it is important to more clearly assess risk in Dutch Harbor/Unalaska and help the community increase resilience to the multiple hazards it faces. More broadly, Dutch Harbor/Unalaska serves as an example—all communities could benefit from better risk assessments and increased attention to resiliency. 相似文献
95.
Ladouceur R Bouchard C Rhéaume N Jacques C Ferland F Leblond J Walker M 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2000,16(1):1-24
The South Oaks Gambling Screen (SOGS) is widely used to assess the prevalence of pathological gambling. For a variety of reasons, this instrument may not provide an accurate rate of the prevalence of pathological gambling. In this paper, one source of error in data provided by the SOGS is investigated. It is argued that individuals may not fully understand the meaning of some items, and that clarification of the meaning of misunderstood items may in some cases lead to a changed score on the scale. The present study evaluates respondents' understanding of the SOGS items. The results from three studies are reported, each using a different sample: grade school children, adolescents and adults. It was hypothesised that (1) participants would not understand some items of the SOGS, (2) problem gamblers and probable pathological gamblers would be more inclined to interpret items incorrectly than would non-problem gamblers and, (3) consistent with the first two hypotheses, clarification of items would decrease the number of participants identified as problem gamblers or probable pathological gamblers. The data obtained supported hypotheses 1 and 3. Furthermore, hypothesis 2 was supported for grade school children, but not for adolescents or adults. These results are consistent with recent literature on endorsement and acquiescence phenomena, and have implications for prevalence studies of probable pathological gambling. 相似文献
96.
Monika Mühlbck Fabian Kalleitner Nadia Steiber Bernhard Kittel 《Social Policy & Administration》2022,56(1):48-72
Jobseekers, especially young people with little experience on the job market, face several challenges. They need to know which jobs are suited for them, where to find them, how to apply, and they need resilience in the face of repeated rejections. Previous research has shown that receiving information and reflecting on how to search for a job enhance self-efficacy and search motivation, thereby reducing the duration of unemployment spells. Following up on these results, we conducted an experiment in cooperation with the Austrian Ministry of Social Affairs which combines an “information nudge” in the form of a short video-clip with what we call “reflection nudge” in the form of an online survey. We find that a treatment combining reflection and information reduces job search duration of young unemployed people with a low level of formal education. Considering the low costs of the intervention, efficiency is very high. 相似文献
97.
ABSTRACTThe goal of this article is to provide a practical guidance for anyone who has experienced sexual harassment or assault in academia and is considering the possibility of pursuing disciplinary measures by means of filing a Title IX complaint. Sexual harassment is an abuse of power by those who possess it against those who do not; the Title IX process does not remedy this power imbalance. And, academic institutions often have interests that compete with the welfare of their students, and which may enable harassers. We address some of the risks that the Title IX process may create for those who are already vulnerable, and suggest that some of the responsibility for enacting reforms should be taken up by professional associations. Because they often control professional journals and conferences, they could be effective advocates for a more fair and equitable educational environment if they choose to take a more active role in discouraging misconduct in their disciplines. 相似文献
98.
This paper uses a case study to highlight the implicit political and developmental assumptions which underpin an indicator and index based prioritisation of developmental needs. A key issue for the successful implementation of development objectives in South Africa is the identification and prioritisation of development needs. Indicators could play an important role in terms of informing the decisions made by various levels of government. An indicator based index supported by a computerised system called the Development Indicators Monitoring System (DIMS) has been used to prioritise housing and service provision need within the province of Gauteng. The article shows that the prioritisation of areas in terms of service need is sensitive to the index construction method employed. It is argued that various choices around the index construction method depend on certain developmental assumptions which are fundamentally political choices. In particular, the choice between absolute and relative indicators of need has a considerable impact on the prioritisation of areas. However, this is not a total rejection of the use of indicators in the planning process. Rather, it is a call for the appropriate use of the tools that are available. 相似文献
99.
Re‐invigorating democracy?: White middle class identities and comprehensive schooling 总被引:2,自引:0,他引:2
Diane Reay Gill Crozier David James Sumi Hollingworth Katya Williams Fiona Jamieson Phoebe Beedell 《The Sociological review》2008,56(2):238-255
Recent research on social class and whiteness points to disquieting and exclusive aspects of white middle class identities. This paper focuses on whether ‘alternative’ middle class identities might work against, and disrupt, normative views of what it means to be ‘middle class’ at the beginning of the 21st Century. Drawing on data from those middle classes who choose to send their children to urban comprehensives, we examine processes of ‘thinking and acting otherwise’ in order to uncover some of the commitments and investments that might make for a renewed and reinvigorated democratic citizenry. The difficulties of turning these commitments and investments into more equitable ways of interacting with class and ethnic others which emerge as real challenges for this left leaning, pro‐welfare segment of the middle classes. Within a contemporary era of neo‐liberalism that valorises competition, individualism and the market even these white middle classes who express a strong commitment to community and social mixing struggle to convert inclinations into actions. 相似文献
100.