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91.
Indrajit Ray 《Social Choice and Welfare》2000,17(2):217-222
The relationships between the consistency (CONS) principle and two other axioms, dummy (DUM) and independence of irrelevant strategies (IIS) for solution concepts on families of strategic form games are studied. If a solution satisfies DUM and IIS, then it
also satisfies CONS (Peleg and Tijs 1996). The converse of this proposition is not true: CONS implies neither DUM nor IIS
as shown in two simple examples, using the concept of coalition-proof Nash equilibrium. The axiom of weak dummy (WDUM) is introduced. WDUM, along with IIS, implies CONS. Moreover, CONS implies WDUM.
Received: 13 August 1998/Accepted: 19 January 1999 相似文献
92.
A Brief Report on the Ethical and Legal Guides For Technology Use in Marriage and Family Therapy
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Michael Pennington Rikki Patton Amber Ray Heather Katafiasz 《Journal of marital and family therapy》2017,43(4):733-742
Marriage and family therapists (MFTs) use ethical codes and state licensure laws/rules as guidelines for best clinical practice. It is important that professional codes reflect the potential exponential use of technology in therapy. However, current standards regarding technology use lack clarity. To explore this gap, a summative content analysis was conducted on state licensure laws/rules and professional ethical codes to find themes and subthemes among the many aspects of therapy in which technology can be utilized. Findings from the content analysis indicated that while there have been efforts by both state and professional organizations to incorporate guidance for technology use in therapy, a clear and comprehensive “roadmap” is still missing. Future scholarship is needed that develops clearer guidelines for therapists. 相似文献
93.
In the computation of two-sided confidence intervals for the binomial parameter p (using the binomial mass function), it is known that such intervals achieve a confidence coefficient that in general is not equal to the confidence level 1 – α, say. In this article we present some general results on the confidence coefficient and tabulate them for selected pairs (α, n = number of trials). We treat only the nominal equal tail probability case because it is the most commonly taught and used. 相似文献
94.
The incidence of suicide is an example of rare event. A Cox cure model is adopted to examine the suicide risk of a cohort study of a sample of 65,000 Personal Emergency Link users over a 10-year observation period. Our objective is to investigate the effect of personal covariates on the failure time to suicide as well as the long-term survival from suicide. Based on the Cox cure model, a new and efficient estimation approach using retrospective sampling and multiple imputation was used. Compared with the standard Cox proportional hazards model, the Cox cure model provides a new perspective on analyzing the suicide data. 相似文献
95.
As companies look for better ways to managediversity, one of the approaches that is emerging is theuse of female and minoritynetwork groups. These groupsare not well understood, and there has been no quantitative analysis of their impact onminority employees. Social network theory suggests thatnetwork groups should enhance the social resourcesavailable to women and minorities and in that wayenhance their chance of career success, but somecritics of network groups suggest that backlash mightproduce greater social isolation and discrimination. Inthis paper, we analyze a survey of members of theNational Black MBA Association to find out whethernetwork groups have a positive impact on careeroptimism, what specific effects of these groups are mostbeneficial, and whether groups enhance isolation ordiscrimination. Results indicate that network groups have apositive overall impact on career optimism of Blackmanagers, and that this occurs primarily via enhancedmentoring. Network groups have no effect ondiscrimination, either positive or negative. There are someindications of greater isolation, but also someindications of greater contact with Whites. 相似文献
96.
Joann Ray Layne K. Stromwall Steven Neumiller Marilee Roloff 《Child and Adolescent Social Work Journal》1998,15(1):39-54
The murder of a 13-year-old young woman mobilized one community to initiate a wraparound service model for their most hard-to-reach families. These families struggled with parental substance abuse, youth at high risk, and associated complex needs cutting across existing categorical programs. The strength and empowerment based program, in which interventions were designed specific to each family, presented challenges in evaluating outcomes with traditional standardized instruments. This paper describes the project, its outcomes for families and youth, and the evaluation design that evolved to measure outcomes in a strength-based program with no uniform intervention. 相似文献
97.
Analysts have long noted an apparent discrepancy in the level of investment seemingly necessary to meet "acceptable" levels of public safety. At the margin of risk regulation, i.e., where safety determination is judged acceptable, the traditional cost-benefit calculus appears to contribute obvious rationale to the final political decision. Efforts are now being made to introduce a measure of consistency into the application of risk-cost benefit analysis to radiological protection. This paper reviews these efforts from a UK perspective. It also looks at how the issue was treated in a public setting through the Sizewell B Public Inquiry. 相似文献
98.
Manual material handling (MMH) is unavoidable because of the nature of jobs or tasks as and man-machine interfaces in a construction worksystem. Data were collected from six strata of workers viz., masons, mason helpers, carpenters, welders, gas cutters and ground-level helpers (259 out of 700 workers) from a construction site of a steel plant located in India to analyze different types of occupational risk factors, such as awkward posture, repetitive movements and others associated with MMH activities to assess their impact on musculoskeletal disorders (MSDs). It is essential that these risk factors are required to be under control through application of ergonomics-based design approaches for construction worksystem. In this context, multinomial logistic regression analyses were used to identify the significant risk factors among the workers. The results shows that masons, mason helpers, carpenters, welders/gas cutters and ground-level helpers are greatly affected by static body posture, type of tools used, excessive stress due to repetition, awkward postures and extreme climate, respectively. Appropriate preventive and corrective measures are suggested for minimization of risks associated with such jobs/tasks to improve health and performance of the workers. 相似文献
99.
Ray Rasker Patricia H. Gude Justin A. Gude Jeff van den Noort 《Journal of Rural Studies》2009,25(3):343-353
The western United States offers a case study on the importance of access to large population centers and their markets, via road and air travel, for economic development. The vast distances between towns and cities in the American West can be a detriment to business, yet they also serve to attract technology and knowledge-based workers seeking to live in a picturesque setting. In spite of the increasing importance of amenities to migration and business location, also needed is access to markets, particularly via commercial air service. We test a new county classification system for the western United States to reflect differing degrees of access to population centers and account for the increasing importance of airports. Past classifications are based on population size and cross-county commuting. We examine the validity of this new classification and test for differences in economic performance among the three county types. Our findings show that there are three distinct Wests that can be classified using economic performance measures and socioeconomic characteristics. The results show that “metro” and “isolated” counties are clearly distinct, but “connected” counties, those that are rural in nature but have ready access to metropolitan areas via air travel, can be difficult to distinguish from “metro” and “isolated” counties. Much of the variation is explained by travel distance to airports. The findings illustrate the importance of airports in rural development, and the limitations facing those communities that are isolated from markets and population centers. The results apply to other parts of the world with similar characteristics that include large expanses of open space, natural amenities that attract migrants and stimulate new business, and different degrees of access to large population centers via road or air travel, and therefore different rates of economic growth. 相似文献
100.