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81.
In this vignette study, three hypotheses concerning differencesin social workers assessment off single fathers and mothersare tested: first, that single fathers with custody of theirchildren, who have problems similar to those often faced bysingle mothers, are assessed as having more serious problemsthan the mothers; secondly, that single fathers in such a situationtend to be assessed as being less deserving of support thansingle mothers in the same situation; thirdly, that the helpoffered to both sexes follows gender-traditional patterns. Theresults support the hypotheses. The overall problems and mentalhealth tended to be assessed as more serious in the case ofthe father than in the case of the mother. The single fatherwas assessed as being more responsible for his situation. Thesingle mother was assessed as being in need of assistance inmore areas and more varied social welfare measures were recommendedfor her than for the father. Finally, the results also showthat only support which could enable the client to obtain paidwork and be able to pay off the debts on his car was given higherpriority in the case of the father. 相似文献
82.
This paper explores a wide range of cross-country determinants of life satisfaction exploiting a database of 90,000 observations
in 70 countries. We distinguish four groups of aggregate variables as potential determinants of satisfaction: political, economic,
institutional, and human development and culture. We use ordered probit to investigate the importance of these variables on
individual life satisfaction and test the robustness of our results with Extreme Bounds Analysis. The results show that only
a small number of factors, such as openness, business climate, postcommunism, the number of chambers in parliament, Christian
majority, and infant mortality, robustly influence life satisfaction across countries while the importance of many variables
suggested in the previous literature is not confirmed. This remains largely true when the analysis splits national populations
according to gender, income, and political orientation also.
We thank Stephen Lea, participants at the 30th IAREP conference in Prague and the referees of this journal for comments on
earlier versions. Gilles Winkler provided excellent research assistance. 相似文献
83.
Christian Kleiber 《Statistical Papers》2013,54(4):1121-1130
The Benini distribution is a lognormal-like distribution generalizing the Pareto distribution. Like the Pareto and the lognormal distributions it was originally proposed for modeling economic size distributions, notably the size distribution of personal income. This paper explores a probabilistic property of the Benini distribution, showing that it is not determined by the sequence of its moments although all the moments are finite. It also provides explicit examples of distributions possessing the same set of moments. Related distributions are briefly explored. 相似文献
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One of the basic functions of an MRP system is to issue rescheduling messages that urge the planner tospeed up or slow down open orders. It seems in practice that these messages are not used at all by planners. This is mostly due to the inaccuracy of MRP, that more or less ignores safety time, safety stocks and lotsize flexibility in the calculation of reschedule-in messages. Reschedule-out messages are usually ignored because planners do not see the value of the message. Other reasons for not adhering to rescheduling messages are a lack of maintenance of MRP parameters or simply the wrong use of the MRP function. In the future, MRP rescheduling functionality will be used even less than today, due to the changing role of MRP within the planning framework. With the uprise of finite capacity scheduling packages, MRP is being pushed one level upward in the planning hierarchy. This means that rescheduling functionalities for the short term will become completely obsolete in MRP systems. 相似文献
86.
Engendering Response: Professional Gesture and the Assessment of Eyesight in Optometry Consultations
Many of the procedures undertaken within healthcare require specialized forms of participation that may be unfamiliar, even disturbing, to patients or clients. The practitioner has to encourage and enable participation in the investigation in an appropriate fashion while preserving the structure and integrity of the procedure. In this article, we consider optometry and the deployment of a vision test, known as subject refraction, that provides data to help determine the characteristics of any corrective lens that may be required by clients. The procedure's ability to establish robust and reliable data relies upon the optometrist's ability to encourage the client to respond to a series of stimuli without consideration or reflection. That is, the client is required to produce an unwitting response—conduct that might be considered nonsymbolic rather than symbolic. In this article, we also consider the optometrist's talk and bodily comportment during subjective refraction and how it serves to shape and determine the quality of the client's response and participation, and in turn to produce reliable test results. 相似文献
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加拿大采矿业注重培养技术工人 总被引:1,自引:0,他引:1
采矿业面临着内外因素困扰,前进路上步履艰难,外部矿产品价格低迷,内部作业条件与环境恶劣.在这种严峻的情况下,矿业要千方百计克服矿产品开采与加工中的各种困难(挖掘深度加大、矿种品位降低、环保要求严格等等),除了提高生产效率、降低成本,最重要的是加快人才培养,改善人力资源管理.要达到上述目的,依靠传统办法,无法实现.所幸的是,进入21世纪后,以微电子技术为核心的科技进步为此提供了可靠的技术保证.这种需要与可能相结合就会诱导出一场变革,即技术革新,其中矿山自动化是这场变革中的主角. 相似文献
90.
Christian Genest Jean‐Franlois Quessy Bruno Ramillard 《Revue canadienne de statistique》2002,30(3):441-461
The authors propose new rank statistics for testing the white noise hypothesis in a time series. These statistics are Cramér‐von Mises and Kolmogorov‐Smirnov functionals of an empirical distribution function whose mean is related to a serial version of Kendall's tau through a linear transform. The authors determine the asymptotic behaviour of the underlying serial process and the large‐sample distribution of the proposed statistics under the null hypothesis of white noise. They also present simulation results showing the power of their tests. 相似文献