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排序方式: 共有192条查询结果,搜索用时 15 毫秒
1.
The authors consider Bayesian analysis for continuous‐time Markov chain models based on a conditional reference prior. For such models, inference of the elapsed time between chain observations depends heavily on the rate of decay of the prior as the elapsed time increases. Moreover, improper priors on the elapsed time may lead to improper posterior distributions. In addition, an infinitesimal rate matrix also characterizes this class of models. Experts often have good prior knowledge about the parameters of this matrix. The authors show that the use of a proper prior for the rate matrix parameters together with the conditional reference prior for the elapsed time yields a proper posterior distribution. The authors also demonstrate that, when compared to analyses based on priors previously proposed in the literature, a Bayesian analysis on the elapsed time based on the conditional reference prior possesses better frequentist properties. The type of prior thus represents a better default prior choice for estimation software. 相似文献
2.
Sara Moreno-Colom Carolina Recio Càceres Teresa Torns Martín Vicent Borràs Català 《Journal of women & aging》2017,29(3):200-215
The aim of this article is to analyze the difficulties in professionalizing the long-term care system in Spain. Since 2006, the new Spanish law has recognized care as a subjective right, and regulations are being designed to create a framework for its professionalization. Nowadays, family remains the most important group of providers who care for their elders, and women remain the main informal caregivers. Why do families resist using public long-term care services and professional carers included in the new law? The hypothesis highlights sociocultural factors as an obstacle to professionalization of long-term care services in addition to political and economic factors. The results show qualitative data about expectations, preferences, and discourses that women caregivers have in relation to their responsibility. The empirical material includes 25 interviews with different profiles of caregivers and six focus groups with family caregivers. The article suggests that the Spanish ideal of care is a problem for the professionalization of services because the family remains as the main provider of care—without specific skills, knowledge, and abilities. 相似文献
3.
Clécio S. Ferreira Reinaldo B. Arellano-Valle 《Journal of Statistical Computation and Simulation》2018,88(6):1039-1059
The skew-generalized-normal distribution [Arellano-Valle, RB, Gómez, HW, Quintana, FA. A new class of skew-normal distributions. Comm Statist Theory Methods 2004;33(7):1465–1480] is a class of asymmetric normal distributions, which contains the normal and skew-normal distributions as special cases. The main virtues of this distribution is that it is easy to simulate from and it also supplies a genuine expectation–maximization (EM) algorithm for maximum likelihood estimation. In this paper, we extend the EM algorithm for linear regression models assuming skew-generalized-normal random errors and we develop a diagnostics analyses via local influence and generalized leverage, following Zhu and Lee's approach. This is because Cook's well-known approach would be more complicated to use to obtain measures of local influence. Finally, results obtained for a real data set are reported, illustrating the usefulness of the proposed method. 相似文献
4.
Karla A. Lassonde Carolina Surla Jeffrey A. Buchanan Edward J. O'Brien 《Journal of Aging Studies》2012,26(2):174-181
Ageism is an important topic in our society, considering the burgeoning older adult population. Ageism is often measured using explicit questionnaires; however, given the impact of social desirability, implicit measures of ageism have been developed. In this study, the contradiction paradigm, an implicit measure of stereotypes (Lassonde, under review) was used to measure age-related stereotypes in passages describing older adults. Participants read passages with target sentences more slowly when these sentences described behaviors that were inconsistent rather than consistent with age-related stereotypes. Participants also completed a series of self-report questionnaires measuring ageism. Results demonstrated that reading times using the contradiction paradigm were not related to outcomes on the self-report questionnaires. A comparison of the contradiction paradigm to a social desirability scale revealed that it was not vulnerable to social desirability. This confirms the contradiction paradigm's use as an implicit measure of age-related stereotypes. Although there is no clear relation between the contradiction paradigm and popular explicit measures, a next important step would be to determine the point in which implicit knowledge and intentional behavioral responses interact. 相似文献
5.
Ester Carolina Apesoa-Varano 《Qualitative sociology》2007,30(3):249-274
This article examines the formation of occupational identity in a nursing program. The normative and ideological dimensions
of this process are revealed in the program’s goals and the views of educators and students through qualitative data from
observations and 30 in-depth interviews. Educators seek to socialize students toward professionalism to raise the occupation’s
status by emphasizing the scientific and technical basis of nursing. Yet students uphold a gendered discourse by identifying
a normative dimension of caring as central to their occupational identity. The dilemma between professionalism and caring
is reconciled as students construct an occupational identity based on “educated caring,” where these two dimensions are equally
valuable and significant.
Ester Carolina Apesoa-Varano is a Ph.D. candidate in the Department of Sociology at the University of California, Davis. Her areas of interest include work, occupations, and professions, medical sociology, gender, and inequality. She is currently working on her dissertation, entitled “Medicine and Caring: Healthcare Providers at Work.” Her previous research focused on a historical analysis of ideologies in the official publication of a large nursing organization. In 2004, a version of her qualifying paper “A Professional Project: Science, Caring, and Ideology in a Baccalaureate Nursing Program” was awarded the Graduate Student Paper Award from the Carework Network (an American Sociological Association affiliate organization). In 2004 she also co-authored with Charles Varano an article entitled “Nurses and Labor Activism in the United States: The Role of Class, Gender, and Ideology,” published in a special issue of Social Justice. 相似文献
Ester Carolina Apesoa-VaranoEmail: |
Ester Carolina Apesoa-Varano is a Ph.D. candidate in the Department of Sociology at the University of California, Davis. Her areas of interest include work, occupations, and professions, medical sociology, gender, and inequality. She is currently working on her dissertation, entitled “Medicine and Caring: Healthcare Providers at Work.” Her previous research focused on a historical analysis of ideologies in the official publication of a large nursing organization. In 2004, a version of her qualifying paper “A Professional Project: Science, Caring, and Ideology in a Baccalaureate Nursing Program” was awarded the Graduate Student Paper Award from the Carework Network (an American Sociological Association affiliate organization). In 2004 she also co-authored with Charles Varano an article entitled “Nurses and Labor Activism in the United States: The Role of Class, Gender, and Ideology,” published in a special issue of Social Justice. 相似文献
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8.
A global count of the extreme poor in 2012: data issues,methodology and initial results 总被引:1,自引:0,他引:1
Francisco H. G. Ferreira Shaohua Chen Andrew Dabalen Yuri Dikhanov Nada Hamadeh Dean Jolliffe Ambar Narayan Espen Beer Prydz Ana Revenga Prem Sangraula Umar Serajuddin Nobuo Yoshida 《Journal of Economic Inequality》2016,14(2):141-172
The 2014 release of a new set of purchasing power parity (PPP) conversion factors (PPPs) for 2011 has prompted a revision of the World Bank’s international poverty line. In revising the line, we have sought to minimize changes to the real purchasing power of the earlier $1.25 line (in 2005 PPPs), so as to preserve the integrity of the goalposts for international targets such as the Sustainable Development Goals (SDGs) and the World Bank’s twin goals – which were set with respect to that line. In particular, the new line was obtained by inflating the same fifteen national poverty lines – originally used by Ravallion et al. (World Bank Econ. Rev. 23(2): 163–184 2009) to construct the $1.25 line – to 2011 prices in local currency units, and then converting them to US dollars using 2011 PPP conversion factors. With a small approximation, this procedure yields a new international poverty line of $1.90 per person per day. In combination with other changes described in the paper, this revision leads to relatively small changes in global poverty incidence for 2011: from 14.5 % using the old method to 14.1 % using the new method. In 2012, the new reference year for the global count, we find 12.7 % of the world’s population, or 897 million people, are living in extreme poverty. There are changes in the regional composition of poverty, but they are also relatively small. This paper documents methodological decisions taken in the process of updating both the poverty line and the consumption and income distributions at the country level, including issues of inter-temporal and spatial price adjustments. It also describes various caveats and limitations of the approach taken. 相似文献
9.
Family businesses (FBs) are a significant population in the world and therefore part of most practicing marriage and family therapists (MFTs) clientele; however, little is mentioned about FBs in the training of MFTs. This article offers some guidance to practicing MFTs who service this population, as well as MFTs who wish to expand their practice into a focused consultation practices with FB systems. This article uses Doherty's Levels of Family Involvement Model as a road map for MFTs to organize the vast amount of literature on FB systems as well as the many ways in which MFTs might serve FBs. We also offer suggestions for the necessary skills, experiences, and levels of engagement required at each level of intervention provided by MFTs. 相似文献
10.
This study streams from a perspective of Workers' Health as a field of intervention where worker's experience on the process of illness is essential to understand and generate changes in the work process, and to contribute to develop knowledge in this area. We intended to collaborate in the training of researchers and nursing workers as a means of contributing to amplify their knowledge related to work and health conditions. As a motto to promote dialogue between researchers and workers, we organized workshops to discuss the results of an epidemiological study on the work-health relationships in nursing. Ten workshops were conducted at two federal public hospitals, in the city of Rio de Janeiro, Brazil. The main aspects discussed during the workshops revealed (i) work nuances for which the questionnaire was not sufficiently sensitive, (ii) some associations between different aspects of the survey, dealt with in the questionnaires, and (iii) recognition that some aspects shown in the epidemiological results were experienced at work. One can appreciate that the proposal presented here contributed to the training of researchers and workers, amplifying their knowledge and contributing to the development of the activity. 相似文献