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31.
This article presents an asset‐level security risk management framework to assist stakeholders of critical assets with allocating limited budgets for enhancing their safety and security against terrorist attack. The proposed framework models the security system of an asset, considers various threat scenarios, and models the sequential decision framework of attackers during the attack. Its novel contributions are the introduction of the notion of partial neutralization of attackers by defenders, estimation of total loss from successful, partially successful, and unsuccessful actions of attackers at various stages of an attack, and inclusion of the effects of these losses on the choices made by terrorists at various stages of the attack. The application of the proposed method is demonstrated in an example dealing with security risk management of a U.S. commercial airport, in which a set of plausible threat scenarios and risk mitigation options are considered. It is found that a combination of providing blast‐resistant cargo containers and a video surveillance system on the airport perimeter fence is the best option based on minimum expected life‐cycle cost considering a 10‐year service period.  相似文献   
32.
Leadership efficacy: Review and future directions   总被引:1,自引:0,他引:1  
The concept of leader efficacy has received relatively little attention in the leadership literature. This is somewhat surprising given that effective leadership requires high levels of agency (i.e., deliberately or intentionally exerting positive influence) and confidence. This review uses existing theory and research on leader efficacy as a point of departure for proposing an expanded and multi-level framework for understanding the domain of leadership efficacy that includes leader, follower, and collective efficacies. The primary goals are to provide a conceptual framework to stimulate future theory and research on building efficacious leadership and to understand how such leadership develops and has implications for effective performance.  相似文献   
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Forty children with prelingual, profound deafness who received the Nucleus multichannel cochlear implant between the ages of 2 and 13 years participated in this study. The children had an average of 63.3 months (SD=24 months) of experience with their cochlear implants. A majority of the children used simultaneous communication and attended public-school programs at the time of testing. Reading achievement was assessed using the Paragraph Comprehension subtest of the Woodcock Reading Mastery Test-Revised, Form G (1987). This study compared the reading-achievement levels of this group of cochlear-implant users with the results of previous studies of children with profound hearing losses who did not have the benefit of cochlear implants. Results indicated that nearly one half of the children in this study were reading at or within 8 months of their grade level. The reading-grade quotient of .74 was calculated based upon the slope of the regression line for the plot of years in school and reading grade-level achieved. This finding indicates that using a cochlear implant has a positive effect on reading achievement level.  相似文献   
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This paper discusses the impact of central government's rent restructuring policy on social housing in rural areas in England. It examines the effect that restructuring will have on the rents set by social landlords in a set of case study areas then considers some of the likely impacts on affordability and on new investment in rural social housing. One of the primary aims of rent restructuring policy is to reduce unjustifiable differences between the rents of similar dwellings in the local authority and Registered Social Landlord sectors locally. This aim seems likely to be achieved. In doing so, it is likely that affordability will be reduced in the local authority sector but enhanced for tenants of some RSLs. However, the reduction in real RSL rents that improve affordability may further constrain RSLs’ ability to invest in new social housing in rural areas. The paper concludes that rent restructuring by itself will not materially improve the housing prospects of the less well off in rural areas.  相似文献   
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Subjects' evaluation apprehension (anxiety about being judged by the experimenter) and commitment to (involvement in) the experiment were manipulated in an experimental study of subjects' honesty in postexperimental interviews. Previous studies have shown that subjects are typically dishonest in postexperimental interviews by refusing to admit prior knowledge of the experiment imparted to them by a confederate. It was found that both high apprehension and low commitment lead to greater subject honesty. Other features of the experimental design were successful in inducing subjects to be generally more honest than their counterparts in previous confederate tip-off studies.  相似文献   
39.
Links between religion and prejudice have been interpreted to suggest that religion can both reduce and exacerbate prejudice. Here, the analysis of religion as a meaning system illuminates how religion can affect intergroup attitudes. Traditional psychological perspectives on religion and prejudice are summarized, followed by a discussion of religion and prejudice in cross-cultural and cross-religious contexts, involving varying target groups. Next, we explore possible explanatory mechanisms by proposing how four levels of meaning associated with religion—cognitive, motivational, societal, and intergroup—may both promote and attenuate prejudice. Finally, additional factors that might facilitate the paradoxical coexistence of religious egalitarian intentions with prejudiced attitudes are considered, and we speculate about the potential for religious groups to reduce prejudice within their adherents.  相似文献   
40.
Since the early 1980s Australian public policy has undergone the most major transformation since Federation. This transformation has been underwritten by two key principles: liberalism – the view that citizens are autonomous individual actors whose interests are best served when they are free from coercive government interventions into individual action; and marketisation – the belief that free markets are arenas which best enable individual autonomy and produce efficient economic outcomes. These principles define ‘neoliberalism’ or ‘hard liberalism‘. After summarising the major policy changes identified with neoliberalism in Australia, the paper introduces a new research project that examines its impact on socioeconomic inequality, gender inequality and politics and culture. Inspection of relevant data indicates that there are important trends in inequality, public opinion and political behaviour that warrant this investigation.  相似文献   
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