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951.
952.
We report on a series of experiments in which participants first completed a simple game of chance and then competed in a tournament based on a multiple cue probability learning task. The results show that men made riskier choices in the simple game of chance, but women adopted the high-variance strategy more frequently in the tournament. However, after controlling for differences in forecasting skill, we find no significant differences in the rates at which men and women adopted a high-variance strategy. Although altering the difficulty of the forecasting task produces differences in the rate at which participants selected the high-variance strategy, it did not produce a significant difference in the rate at which men and women selected the strategy. Thus, this paper suggests that although women are more risk-averse than men, women are no less likely to adopt a high-variance strategy in a tournament competition.  相似文献   
953.
The nature and integration of strategy and human resource management practices, and the effects of such integration on firm performance were examined in two groups of mid-sized flrms: fast-growth firms and a random sample of similar sized mature firms. The results indicated that the fast-growth firms emphasized fewer human resource activities and experienced a lower degree of strategy-human resource integration than the mature firms. Some evidence was found that the relation between the level of integration and firm performance was moderated by the organization's stage of development.  相似文献   
954.
955.
We consider a 2r factorial experiment with at least two replicates. Our aim is to find a confidence interval for θ, a specified linear combination of the regression parameters (for the model written as a regression, with factor levels coded as ?1 and 1). We suppose that preliminary hypothesis tests are carried out sequentially, beginning with the rth‐order interaction. After these preliminary hypothesis tests, a confidence interval for θ with nominal coverage 1 ?α is constructed under the assumption that the selected model had been given to us a priori. We describe a new efficient Monte Carlo method, which employs conditioning for variance reduction, for estimating the minimum coverage probability of the resulting confidence interval. The application of this method is demonstrated in the context of a 23 factorial experiment with two replicates and a particular contrast θ of interest. The preliminary hypothesis tests consist of the following two‐step procedure. We first test the null hypothesis that the third‐order interaction is zero against the alternative hypothesis that it is non‐zero. If this null hypothesis is accepted, we assume that this interaction is zero and proceed to the second step; otherwise, we stop. In the second step, for each of the second‐order interactions we test the null hypothesis that the interaction is zero against the alternative hypothesis that it is non‐zero. If this null hypothesis is accepted, we assume that this interaction is zero. The resulting confidence interval, with nominal coverage probability 0.95, has a minimum coverage probability that is, to a good approximation, 0.464. This shows that this confidence interval is completely inadequate.  相似文献   
956.
The work of Michel Foucault has been widely used in the social sciences to explore relationships of power and knowledge. This paper utilises Foucault's methods in an initial formation of discourse in the problem of care of people with learning disabilities in the twentieth century, and focuses on the problematisation of people with learning disabilities and their care needs. Little has been published regarding the contingencies of past and current practices in any form of systematic way within learning disability services. Neither has literature on disablism been utilised to support these contingencies. In order to establish a basis for the establishment of this discussion, the work and methodologies of Foucault have been utilised to develop ideas and a textual framework, and links are made with disablist literature. This paper is split into two halves; first classification and support structures, and secondly an architexture of learning disability services.  相似文献   
957.
The present study examined the associations among perfectionism, marital coping, and marital functioning in a community sample of 76 couples. A theoretical model was tested in which maladaptive coping mediates the relationship between trait perfectionism and poorer marital functioning. As predicted, one of the interpersonal dimensions of perfectionism, socially prescribed perfectionism, was associated with maladaptive marital coping and poorer marital adjustment for both the self and the partner, even after controlling for depression and neuroticism. Finally, the use of negative coping strategies mediated the relationship between socially prescribed perfectionism and poorer marital functioning for both the self and the partner. Overall, this study highlights the importance of spouse‐specific forms of perfectionism in marital adjustment.  相似文献   
958.
This paper argues that Scott Lash's Critique of Information is one of the most important works of the new informational order: the Order. However, despite its comprehensive and insightful analysis, it illustrates a common trend amongst theorists whereby the inherent pessimism of their arguments' logic tends to be replaced by an unwarranted optimism regarding their conclusions. This criticism is applied to Lash's critique, which is further supplemented by a rejection of Lash's argument that the transcendent perspective necessary for critical theory has been supplanted in the information age by an immanent all-at-onceness. The much more negative perceptions of the social and cultural effects of the Order to be found within literature and cultural history are defended as valuable sources of critical perspectives that may still help to aid theory as it struggles to keep up with the Order's discombobulating flows.  相似文献   
959.
In this paper we use a penalized likelihood approach to image warping in the context of discrimination and averaging. The choice of average image is formulated statistically by minimizing a penalized likelihood, where the likelihood measures the similarity between images after warping and the penalty is a measure of distortion of a warping. The notions of measures of similarity are given in terms of normalized image information. The measures of distortion are landmark based. Thus we use a combination of landmark and normalized image information. The average defined in the paper is also extended by allowing random perturbation of the landmarks. This strategy improves averages for discrimination purposes. We give here real applications from medical and biological areas.  相似文献   
960.
This paper discusses a qualitative and quantitative study of the circumstances of 20 Pakistani and Bangladeshi families with one or more severely disabled children living in Birmingham, England. Parents and other adult carers were interviewed using a combination of structured questionnaires and a semi-structured interview schedule focusing on the families' material circumstances, their use of formal services, informal care arrangements, and aspects of the parents' social and psychological well-being. The study suggests that previous national surveys of disabled families may have under-estimated the extent of material disadvantage, while it confirms that health and social care professionals should not assume that Pakistani and Bangladeshi parents have recourse to high levels of extended family support. The combination of disadvantaged circumstances and difficulties in securing access to appropriate services, which are found for the majority of families with a disabled child, was particularly acute for these ethnic minority families, suggesting the additional dimension of institutional racism.  相似文献   
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