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81.
We provide a method for finding the optimal double sampling plan for estimating the mean value of a continuous outcome. It is assumed that the fallible and true outcome data are related by a multivariate linear regression model where only some of the explanatory variables are sampled. Conditions under which double sampling is preferred over standard sampling plans are determined. An application of the method to a well-known data set on air pollution is presented. 相似文献
82.
It is shown in this article that, given the moments of a distribution, any percentage point can be accurately determined from an approximation of the corresponding density function in terms of the product of an appropriate baseline density and a polynomial adjustment. This approach, which is based on a moment-matching technique, is not only conceptually simple but easy to implement. As illustrated by several applications, the percentiles so obtained are in excellent agreement with the tabulated values. Whereas statistical tables, if at all available or accessible, can hardly ever cover all the potentially useful combinations of the parameters associated with a random quantity of interest, the proposed methodology has no such limitation. 相似文献
83.
84.
This is a qualitative study of divorce‐related communication between mothers and children, as recounted by 20 Jewish Israeli mothers. We adopt the communication privacy management theory, focusing on mothers' subjective experiences of communication, their management of dialectic tension between concealment and disclosure – namely, not only what mothers choose to disclose to and hide from their children, but also the feelings, concerns and perceptions that drove their communication. The mothers' reports convey the challenges and dilemmas they faced when communicating with their children about their divorce and its repercussions; the main one being their obligation to maintain a good father image and their wish to preserve a strong maternal figure. The ‘child's well‐being’ was the dominant criterion in the mothers' decision to reveal or conceal divorce‐related information. Clinical suggestions are made. 相似文献
85.
Based on a survey and interviews, this article presents and analyses Israeli public opinion toward black‐market medicine (BMM) and the welfare state. In addition to providing quantitative and qualitative evidence of the existence of under‐the‐table payments in Israel, we suggest various insights into this phenomenon. While most citizens admit that they would consider making under‐the‐table payments in order to receive preferential medical treatment, when the questions mention words such as ‘illegal’ or ‘bribe’, respondents tend to be less tolerant of such activities. We find that, first, there is a basic willingness among Israeli citizens to use BMM. Second, despite this predilection, Israeli citizens are reluctant to articulate their willingness to engage in such illegal activities. This reluctance implies the existence of a moral barrier among the population as far as identifying themselves with illegal behaviour is concerned. We may infer the existence of a gap between declared attitudes and behaviour. Third, the fact that people's willingness to engage in BMM is greater than their willingness to adopt black‐market strategies in other areas signifies the special nature of health care. Finally, by connecting the phenomenon of BMM to public opinion regarding the welfare state, we point to a possible gap between normative attitudes and preferences produced by structural conditions. 相似文献
86.
Michèle Cohen Alain Chateauneuf Eric Danan Thibault Gajdos Raphaël Giraud Meglena Jeleva Fabrice Philippe Jean-Marc Tallon Jean-Christophe Vergnaud 《Theory and Decision》2011,71(1):1-10
Tribute to Jean-Yves Jaffray by the French Group of Decision Theory. 相似文献
87.
Sara Cohen 《Cultural Studies》2013,27(3):332-346
In this article I address the origins of America's national parks, particularly as they figure in the environmentalist discourse surrounding the institution of Yosemite Valley as a public park. Although technically speaking Yosemite did not become a national park until 1890, its cession to the State of California in 1864 provides an important cultural site for the emergence of environmentalism as part of a broader concern with the relations between aesthetic, social and natural agency. In mapping out these relations in Frederick Law Olmsted's 1865 report on the management of Yosemite, I claim that the preservation of Yosemite reproduces nature as a public park in which human agency can be simultaneously produced and elided by means of the aesthetic agency of nature. I read Olmsted's report as a discursive site on which we can trace the structural parallels between the preservation of Yosemite and several related cultural practices in which the origins of American environmentalism are embedded. I also read it as sketching out the configurations of human and natural agency within which these parallel practices are articulated. My study operates from the assumption that science and technology need to be understood not simply by explaining how they are socially or culturally constructed, but also by looking at how certain fundamental ideas of metaphors (like natural agency or the reproduction of nature) are worked out at the same historical moment in different discursive practices. In taking up the idea of America as it both defines and is defined by the network of relations among science, technology and culture, I outline certain myths of American environmentalist origins as played out across a number of diverse and heterogeneous discourses and technologies of representation and reproduction. I hope also to illuminate the way in which American cultural origins are simultaneously constructed and destabilized through the act of reproducing nature. 相似文献
88.
89.
Joseph Cohen Ph.D 《Studies in Gender and Sexuality》2013,14(2):102-105
The author ponders the various meanings of growing older in the gay male community, focusing on the phenomenon of shame and its intergenerational origins. 相似文献
90.
The Role of Active Listening in Teacher–Parent Relations and the Moderating Role of Attachment Style
Dotan R. Castro Cohen Alex Gilad Tohar Avraham N. Kluger 《International Journal of Listening》2013,27(3):136-145
This study tested the perceived effectiveness of “Listening-Ask questions-Focus on the issue–Find a first step” method (McNaughton et al., 2008) in a parent–teacher conversation using a scenario study (N?=?208). As expected, a scenario based on this method compared with a scenario of a conversation omitting the four steps of the method was perceived both by teachers and parents as more effective (d?=?1.43). Moreover, it was hypothesized that the effectiveness of this listening method would be found largely among secure participants. Indeed, the findings suggested that anxious people were less sensitive to the manipulation. Research hypotheses regarding avoidant attachment style were not supported, suggesting that more research is needed to better understand the moderating role of attachment style. 相似文献