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排序方式: 共有32条查询结果,搜索用时 140 毫秒
1.
Recent articles have argued from principles of bioethics for the right of research subjects to receive the results of the studies in which they have participated. We argue that accountability is a powerful tool of meso-level analysis appropriate to reasoning about answerability in research ethics, and that it captures the responsibility of researchers to disseminate study results to research subjects. We offer the following features of the research situation as relevant to the manner of dissemination to study subject, in addition to factors already proposed in the literature (risk and impact on health outcome): (a) features of the research subject in relation to identity, personal investment, disease, and community; (b) characteristics of the research study and field of inquiry in relation to certainty and significance; and (c) relationships among the research subjects and the healthcare workers involved in their care and in the research.  相似文献   
2.
This article reviews the literature on the psychological consequences of dieting. In particular, the authors examine the impact of dieting on mood, self-esteem, cognition, and eating behavior. The famous Keys study of starvation is discussed in relations to impaired concentration, food preoccupation, negative affect, and binge eating behavior. Overall, the literature indicates that dieting has a negative impact on psychological well-being. As a result, alternative nondieting approaches toward eating are presented and recommended to promote psychological health.  相似文献   
3.
Abstract

Firms increasingly introduce HRD ‘best practices’ developed somewhere else, but results often fall short of expectations. Much of existing theory fails to guide the implementation of HRD best practices because it does not recognize how introduced practices interact with existing practices in the firm. In this paper, we contrast the dominant perspective ‘Implementation as Replication’ with a perspective of ‘Implementation as Re-creation’. Through four stages of the implementation process, we identify and discuss how these contrasting perspectives yield different implications for how firms go about introducing HRD best practices. First, when firms take up a practice, is this a process of adoption or translation? Second, is it assumed that new knowledge can be implanted directly and lead to new behaviour, or is active experimentation a necessary precondition to gain new knowledge? Third, are deviations from the intended plan considered errors to be corrected or sources for learning? Fourth, are introduced best practices treated in isolation or as integral parts of the firm's management system? We argue that implementation efforts guided by the re-creation perspective increase the prospects of HRD best practices succeeding as a useful tool in the receiving firm.  相似文献   
4.
Stochastic modeling of the geology in petroleum reservoirs has become an important tool in order to investigate flow properties in the reservoir. The stochastic models used contain parameters which must be estimated based on observations and geological knowledge. The amount of data available is however quite limited due to high drilling costs etc., and the lack of data prevents the use of many of the standard data driven approaches to the parameter estimation problem. Modern simulation based methods using Markov chain Monte Carlo simulation, can however be used to do fully Bayesian analysis with respect to parameters in the reservoir model, with the drawback of relatively high computational costs. In this paper, we propose a simple, relatively fast approximate method for fully Bayesian analysis of the parameters. We illustrate the method on both simulated and real data using a two-dimensional marked point model for reservoir characterization.  相似文献   
5.
This paper asks if Estonian and Chinese tweens’ access to pocket money influences their brand valuation, as well as value orientations in the context of perceived peer popularity and personal well‐being. Surveys conducted in autumns 2006 (China n = 188) and 2007 (Estonia n = 111) show an inherent cultural resistance among tweens in both countries towards using material standards to evaluate people and social relations. Access to own money correlates strongly with more consumerist values and strengthen the initial indications that individualist and expressive values are more highly esteemed by Estonian tweens, while social inclusion and approval are more vital for the Chinese.  相似文献   
6.
In this article, we demonstrate how the cultural conceptions of a team of five researchers from different cultural and national backgrounds can be used as a source of knowledge during a collective, self‐reflexive analytical process. While collectively analysing texts describing daily life produced by first‐grade children and their parents in China, Norway, South Africa and the United States, the research team engaged in a collectively negotiated analytical process, which we refer to as an ‘analytic negotiating method’. The strength of this process rests on the ability to examine critically the boundaries between the researcher's contextual conceptions and conceptions derived from the texts. Engaging in this kind of negotiated analytical process contributes to scholarship by working towards a level of self‐reflexivity that makes the link between empirical data and researcher interpretation more transparent and produces a sensitivity to context that allows insights into the conceptions of childhood that operate cross‐culturally.  相似文献   
7.
This paper addresses some methodological and theoretical issues of the role that concepts and conceptualization play in the process of analysing qualitative data. Studying children as research subjects, and reflecting upon their movement and relational dynamics in day‐care institutions in Norway, led to a critical consideration of the process of conceptualization and the concepts themselves. It is argued that reflexivity and a dialectical relationship between empirical data, theory and relevant literature are vital components in this process. This is illustrated and discussed in relation to two main approaches of analysing empirical data: a top–down approach, where established theoretical concepts are applied; and a bottom–up approach, where theoretical concepts grounded in empirical data are generated. Two concepts from ethnographic research in day‐care centres are introduced to illustrate both approaches and to illustrate the effort of avoiding adult‐centricism.  相似文献   
8.
Shale units with low permeability create barriers to fluid flow in a sandstone reservoir. A spatial stochastic model for the location of shale units in a reservoir is defined. The model is based on a marked point process formulation, where the marks are parameterized by random functions for the shape of a shale unit. This extends the traditional formulation in the sense that conditioning on the actual observations of the shale units is allowed in an arbitrary number of wells penetrating the reservoir. The marked point process for the shale units includes spatial interaction of units and allows a random number of units to be present. The model is defined in a Bayesian setting with prior pdfs assigned to size–shape parameters of shale units. The observations of shales in wells are associated with a likelihood function. The posterior pdf of the marked point process can only partially be developed analytically; the final solution must be determined by sampling using the Metropolis–Hastings algorithm. An example is presented, demonstrating the consequences of increasing the number of wells in which observations are made.  相似文献   
9.
Within the context of Norwegian Child Welfare Services, children's best interests are often promoted through inter‐professional collaboration. Although children have the right and desire to participate, research reveals that professionals do not listen to them. On the basis of qualitative interviews with 10 children about their experiences collaborating with professionals, we have identified ways in which professionals can facilitate children's participation. The findings show that trusting relationships, emotional support, and pedagogical approaches increase children's participation in their interactions with professionals. The results show the importance of including a relational understanding of participation as a theoretical concept in child welfare and an awareness that power and dominance are in play.  相似文献   
10.
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