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301.
This is a translation of the “Preface” and “Introduction” to Georges Gurvitch'sDialectique et Sociologie, published in Paris by Flammarion in 1962. It appears here for the first time in English. The translator's remarks place Georges Gurvitch's dialectical method in an historical and theoretical context, and criticize some of the major assumptions of Gurvitch's position. I am grateful to the Librairie Ernest Flammarion for its kind permission to reproduce these pages. I wish to thank Ian and Evelyn Daix-Jones and Nathalie Babel Brown for their help in rendering Gurvitch's thought into English. The work is copyright Flammarian Publishers.  相似文献   
302.
Ambidexterity is of central importance to the competitive advantage of the firm, yet to date there is limited understanding of how it is managed. The theorization of ambidexterity is inadequate for complex, practical realities and, in turn, this hinders the way in which it can aid the management of ambidexterity in practice. This paper asks: What are the mechanisms for achieving ambidexterity? The authors use a systematic review to develop a research framework which integrates intellectual capital resources (organizational, social and human capital) across various levels of analysis (organization, group and individual). This review extends understanding of the generic mechanisms (i.e. temporal, structural and contextual ambidexterity) that dominate the literature. This allows for a more fine‐grained understanding of how ambidexterity is achieved and enables avenues for further research to be identified.  相似文献   
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The concept of "science" usually includes commitments to reason, objectivity, and disinterest in the search for truth about the nature of the world. In this view, politics, in the sense of maneuvering to gain power, corrupts both the process and the product of science. However, we show that science is political through and through—in the process of constructing scientific knowledge, in maintaining disciplines, and in being responsive to partisan sponsorship. Nevertheless, the practitioners of both science and politics maintain the boundary between the two fields; in fact, the disciplines most dependent upon government support tend also to be the most autonomous. This situation becomes understandable when both fields are considered as discursive practices. Then, scientific debates can be seen as productive precisely because they derive from an objective agreement about science as an autonomous intellectual enterprise, and science itself can be seen as a politics of truth .  相似文献   
306.
Multivariate multilevel analyses of examination results   总被引:1,自引:0,他引:1  
Summary. In the study of examination results much interest centres on comparisons of curriculum subjects entered and the correlation between these at individual and institution level based on data where not every individual takes all subjects. Such `missing' data are not missing at random because individuals deliberately select subjects that they wish to study according to criteria that will be associated with their performance. In this paper we propose multivariate multilevel models for the analysis of such data, adjusting for such subject selection effects as well as for prior achievement. This then enables more appropriate institutional comparisons and correlation estimates. We analyse A- and AS-level results in different mathematics papers of 52 587 students from 2592 institutions in England in 1997. Although this paper is concerned largely with methodology, substantive findings emerge on the effects of gender, age, intakes of General Certificate of Education pupils, examination board and establishment type for A- and AS-level mathematics.  相似文献   
307.
An occupational risk assessment for manganese (Mn) was performed based on benchmark dose analysis of data from two epidemiological studies providing dose-response information regarding the potential neurological effects of exposure to airborne Mn below the current Occupational Safety and Health Administration (OSHA) Permissible Exposure Level (PEL) of 5 mg Mn/m3. Based on a review of the scientific evidence regarding the toxicity of Mn, it was determined that the most appropriate measure of exposure to airborne Mn for the subclinical effects measured in these studies is recent (rather than historical or cumulative) concentration of Mn in respirable (rather than total) particulate. For each of the studies analyzed, the individual exposure and response data from the original study had been made available by the investigators. From these two studies benchmark concentrations calculated for eight endpoints ranged from 0.09 to 0.27 mg Mn/m3. From our evaluation of these results, and considering the fact that the subtle, subclinical effects represented by the neurological endpoints tested in these studies do not represent material impairment, we believe an appropriate occupational exposure guideline for manganese would be in the range of 0.1 to 0.3 mg Mn/m3, based on the respirable particulate fraction only, and expressed as an 8-hour time-weighted average.  相似文献   
308.
In accord with scholars who have suggested extending the symbolic interactionist perspective to investigate interactions with macrolevel structures, we argue that symbolic interactionism provides valuable tools to understand how bureaucratic breakdowns are interpreted by individuals. In this article, we use the experience of interacting with a Kafkaesque bureaucracy as a natural breaching experiment in order to outline the subjective effects of large‐scale institutional failure. In particular, we look at homeowners' interpretations of a flawed program initiated by the Obama administration to stem the tide of foreclosures. We conclude that persistent interaction failures with the bank divisions charged with modifying mortgages led frustrated and confused homeowners to question the nature of the bureaucratic interaction. This produced a search for a blame‐worthy agency and revealed the ways that agency was conceptualized in this complex and obscure institutional setting.  相似文献   
309.
We estimate the increment in Massachusetts Medicaid program costs attributable to smoking from December 20, 1991 to 1998. We describe how our methods improve upon earlier estimates of analogous costs at the national level. Current costs to the Massachusetts Medicaid program approximate the payments to Massachusetts under the tobacco settlement of November 1998. Whether these payments are viewed as appropriate compensation for Medicaid costs over time depends upon the rate of increase in future health care costs, the rate of decline in smoking, the proportion of smoking that should be attributed to the actions of the tobacco companies and the likelihood the state would have prevailed at trial. The costs to the Medicaid program are dwarfed by the internal costs to smokers themselves.  相似文献   
310.
Summary.  A general latent normal model for multilevel data with mixtures of response types is extended in the case of ordered responses to deal with variates having a large number of categories and including count data. An example is analysed by using repeated measures data on child growth and adult measures of body mass index and glucose. Applications are described that are concerned with the flexible prediction of adult measurements from collections of growth measurements and for studying the relationship between the number of measurement occasions and growth trajectories.  相似文献   
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