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51.
This paper investigates whether encouraging children to become more physically active in their everyday life affects their primary school performance. We use data from a field quasi-experiment called the Active Living Program, which aimed to increase active modes of transportation to school and active play among 8- to 12-year-olds living in low socioeconomic status (SES) areas in the Netherlands. Difference-in-differences estimations reveal that while the interventions increase time spent on physical activity during school hours, they negatively affect school performance, especially among the worst-performing students. Further analyses reveal that increased restlessness during instruction time is a potential mechanism for this negative effect. Our results suggest that the commonly found positive effects of exercising or participating in sports on educational outcomes may not be generalizable to physical activity in everyday life. Policymakers and educators who seek to increase physical activity in everyday life need to weigh the health and well-being benefits against the probability of increasing inequality in school performance.  相似文献   
52.
Climate policy is a relatively young and dynamic area of public policy making. However, its development has attracted far more attention than the results it delivers in practice, which of course are the concern of policy evaluators. This article attempts to provide the first systematic cataloging of the emerging patterns of policy evaluation undertaken in different parts of the European Union. Theories of policy evaluation suggest that these evaluation practices should acknowledge the inherent complexity of climate policy making, be reflexive by questioning official policy goals, and be participatory. A meta-analysis of 259 climate policy evaluations suggests that current practice engages with some but not all of these issues. This article concludes by analyzing the implications of this finding for those in the academic and practitioner community who are keen to understand the extent to which climate policy evaluation is delivering on its promises.  相似文献   
53.
Using a rich dataset that links the Census Bureau's Survey of Income and Program Participation calendar-year 2004 file with Social Security benefit records, this article provides a portrait of the sociodemographic and economic characteristics of Social Security child beneficiaries. We find that the incidence ofbenefit receipt in the child population differs substantially across individual and family-level characteristics. Average benefit amounts also vary across subgroups and benefit types. The findings provide a better understanding of the importance of Social Security to families with beneficiary children. Social Security is a major source of family income for many child beneficiaries, particularly among those with low income or family heads with lower education and labor earnings.  相似文献   
54.
There is a myth in popular psychology, often echoed in police literature, but as yet untested, that specific eye movements pertain to lying and truth telling. According to this line of thought, eye movements to the sender??s right indicate lying, as the sender??s eyes are drawn to the side of his/her brain where their fabrication is being created. We have put this hypothesis, derived from ??Neuro-Linguistic Programming?? to the test in two experiments. In Experiment 1, a total of 204 participants (all air passengers) were interviewed at an international airport about their forthcoming trip. All participants answered one question truthfully and one question deceptively. Some participants answered a third question truthfully, whereas others answered the same question deceptively. No conclusive evidence was found for a relationship between specific eye movements and deception. In Experiment 2, a total of 31 participants discussed their real occupation in one interview and a pretend occupation in another interview. Only three of the 31 participants revealed the eye movement pattern predicted by NLP. Reasons for the existence of the myth that liars display specific eye movements are discussed.  相似文献   
55.
This article draws on the recent work of Mariana Valverde on jurisdiction and scale to frame a study of the interaction between mandatory possession proceedings brought by one particular type of social housing provider – housing associations – and national as well as human rights law. It was the explicit political choice to focus social housing provision on housing associations, as opposed to local authorities, which opened up the mandatory possession jurisdiction. The essence of the argument is that, despite the apparent incommensurability of these different scales and jurisdictions, they are able to accommodate each other quite happily. Two sets of texts are used to develop this argument. First, consideration is given to the legal technicality through which mandatory possession proceedings might be challenged. Second, we draw on data from a study of housing associations practices and policies on the use of one particular mandatory ground of possession for rent arrears, demonstrating the way in which scale and jurisdiction, political rationality and technologies intertwine.  相似文献   
56.
Across t h e nation, the number o f mentally ill inmates in local jails has increased over the past decade. Moreover, mentally ill inmates are not typically receiving adequate services from either the jail or mental health service systems. In response to the problem, several jurisdictions are attempting to utilize community mental health (CMH) services to provide treatment for these inmates. This paper discusses organizational problems inherent to integrating CMH services into jails and recommends approaches for dealing with those problems. Much of the information and thinking in this paper is based upon the recent experience of the authors with the Michigan Department of Mental Health and local jails as trainers and consultants in integrating CMH workers into jail settings.  相似文献   
57.
Anti-depressants, suicide, and drug regulation.   总被引:6,自引:0,他引:6  
Policymakers are increasingly concerned that a relatively new class of anti-depressant drugs, selective serotonin re-uptake inhibitors (SSRI), may increase the risk of suicide for at least some patients, particularly children. Prior randomized trials are not informative on this question because of small sample sizes and other limitations. Using variation across countries over time in SSRI sales and suicide, we find that an increase of one pill per capita (a 13 percent increase over 1999 levels) is associated with a 2.5 percent reduction in suicide rates, a relationship that is more pronounced for adults than for children. Our findings suggest that expanding access to SSRIs for adults may be a cost-effective way to save lives, although policymakers are right to remain cautious about pediatric use of SSRIs.  相似文献   
58.
This article reflects on the use of macro social theoretical perspectives to explain micro social issues, using social housing allocations as a case study. In contrast to a number of social theoretical examinations of social housing allocation schemes in recent years, spanning socio‐legal studies, we argue that ‘cookie‐cutter’ theories may overlook other positions and counter‐factual scenarios. We draw on a sample of local authority allocation schemes to reflect on the growing category of households (commonly termed ‘unhouseables’ by housing officers) which are excluded from appearing on such schemes because of their former housing deviance or some other disqualification. We offer a set of reflections grounded in our data, which focus on sustainability. Thus, rather than point to particular rationalities or the like, we offer particular housing issues as explanatory factors – including the declining stock and financial ‘competitiveness’ of social housing management – as well as a rise in punitiveness.  相似文献   
59.
60.
Eaton  Dave 《African affairs》2008,107(426):89-110
Peace-building NGOs are frequently at work along the Kenya–Ugandaborder. But in this desolate region, results have been extremelysparse. This article contends that this is due to the inadequaciesof contemporary understandings of cattle raiding. Most NGOsand many academics ascribe cattle raids to a familiar arrayof factors such as resource scarcity, small arms proliferation,and generational conflict. While each issue is obviously ofsome relevance, such explanations are too cumbersome to reallyenhance our knowledge of cattle raiding. This article proposesa new approach to the problem by utilizing popular conceptionsof ethnicity and criminal responsibility for raids. Given thatmost major raids originally stem from seemingly insignificantthefts, the process of retaliation is seen as crucial to understandingwhy violence escalates in certain situations and defuses inothers. The failure of NGOs engaged in peace work to addressthis important issue in a meaningful way is the reason theyhave failed to achieve much success along the Kenya–Ugandaborder. This is in turn responsible for the widespread cynicismand corruption that has crept into their work, and is the subjectof the second part of this article. The author would like to acknowledge the Killam Trust, the SocialSciences and Humanities Research Council of Canada and DalhousieUniversity for their generous support during the writing ofthis article. Special thanks are owed to Andrew Juma, MilcahAchola, Rachel Andiama, Kelly-Jo Bahry, Rob Blunt, MichelleBourbonniere, Kim de Vries, Gary Kynoch, Mark Longole, GabrielleLynch, Friederike Mieth, and Danielle Walters, as well as twoanonymous reviewers.  相似文献   
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