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Higher order analogues of currently favoured tests for autocorrelated dicturbances are presented. Comparisons of power, against autoregressive disturbances of a range of orders considered likely in practice, favour a version of a test originally proposed by King (1985). This superiority is particularly marked with regressors for which Ordinary Least Squares is least efficient and thus testing most crucial. Selected significance bounds are tabulated for the twelfth order analogue of this test statistic for use with monthly data. 相似文献
495.
‘Rural stress’ and ‘farming stress’ are terms that have become commonly appropriated by British health-based academic disciplines, the medical profession and social support networks, especially since the agricultural ‘crises’ of B.S.E. and Foot and Mouth disease. Looking beyond the media headlines, it is apparent that the terms in fact are colloquial catch-alls for visible psychological and physiological outcomes shown by individuals. Seldom have the underlying causes and origins of presentable medical outcomes been probed, particularly within the context of the patriarchal and traditionally patrilineal way of life which family forms of farming business activity in Britain encapsulate. Thus, this paper argues that insufficient attention has been paid to the conceptualization of the terms. They have become both over-used and ill-defined in their application to British family farm individuals and their life situations. A conceptual framework is outlined that attempts to shift the stress research agenda into the unilluminated spaces of the family farming ‘way of life’ and focus instead on ‘distress’. Drawing upon theorization from agricultural and feminist geography together with cultural approaches from rural geography, four distinct clusters of distress originate from the thoughts of individuals and the social practices now required to enact patriarchal family farming gender identities. These are explored using case study evidence from ethnographic repeated life history interviews with members of seven farming families in Powys, Mid Wales, an area dominated by family forms of farming business. Future research agendas need to be based firmly on the distressing reality of patriarchal family farming and also be inclusive of those who, having rejected the associated way of life, now lie beyond the farm gate. 相似文献
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Franco Dispenza Laurel B. Watson Y. Barry Chung Greg Brack 《The Career development quarterly》2012,60(1):65-81
In this qualitative study, the authors examined the experience of discrimination and its relationship to the career development trajectory of 9 female‐to‐male transgender persons. Participants were between 21 and 48 years old and had a variety of vocational experiences. Individual semistructured interviews were conducted via telephone and analyzed using grounded theory methodology. The emergent model consisted of forms of discrimination and impact of discrimination. These components intersected with the career development trajectory. Participants provided their own suggestions for improving the workplace environment. Counseling, advocacy, and future research implications are discussed. 相似文献
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We describe three children with organic disease presenting as possible physical abuse. The first child was an infant with an ‘unexplained’ transverse fibular fracture, who was initially placed on the child protection register. Subsequent progress and investigation revealed that the fracture was caused by a haemangioma arising from the surrounding tissues. Two further children presented with bruising, in one case due to acute lymphoblastic leukaemia and in the other neuroblastoma. In both, the correct diagnosis became evident following assessment by an experienced paediatrician. These cases demonstrate the importance of obtaining an accurate history and of performing a careful examination when considering physical abuse, but also the need to review that diagnosis if subsequent contradictory evidence comes to light. Copyright © 2000 John Wiley & Sons, Ltd. 相似文献
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A. M. Kemp K. W. Kemp R. Evans L. Murray Z. E. S. Guildea F. D. J. Dunstan J. R. Sibert 《Child Abuse Review》1998,7(3):178-188
Objectives. To perform a preliminary study to compare the patterns of bruises in a physically abused group of children and a control group; to investigate whether these could be modelled statistically to enable probabilities of typical bruise patterns to be calculated; to apply Bayes' Theorem to find the probability that a child with a given bruise pattern has been the subject of physical abuse. Design. An observational study. Setting. Cardiff and Vale of Glamorgan. Subjects. Children who have suffered child physical abuse, 0–14 years. The diagnosis was confirmed at a case conference in all cases. A control group of 289 children who presented to the Accident and Emergency Department at the Cardiff Royal Infirmary after an accidental injury. Main outcome measures. The distribution bruise pattern in three regions of the body. The posterior probability of abuse for a given bruise pattern. Results. The bruise distribution in physically abused and control children was well described by a negative binomial distribution. There was a different distribution for the three different regions of the body in physically abused children. The bruising frequency and distribution for the physically abused group was very different from that of the controls. We were able to use parameters derived from these distributions to calculate posterior probabilities of physical abuse given a particular pattern of bruises using Bayes' Theorem. Conclusions. This preliminary study demonstrates that we can use Bayes' Theorem to combine prior probabilities of physical abuse with observed patterns of bruising in given children to obtain posterior probabilities of abuse. This principle has considerable potential for better diagnosis of the physically abused child. © 1998 John Wiley & Sons, Ltd. 相似文献