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Research on policy impact has increasingly focused on the practical application of social science research. This paper outlines four roles—substantive expert, information processor, change agent, and scholar—which have helped to increase the potential usefulness of our research while maintaining linkages to the academic community. This paper suggests the general nature of these roles and suggests specific implementation strategies, which need to be pursued as an early and continuing aspect of the research enterprise. Balancing these multiple roles presents several analytical and ethical difficulties, but helps to establish credibility in both the scientific and policymaking communities.  相似文献   
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It is argued that variation in uncertainty about social program goals and causal processes should influence the selection of evaluation designs and methods. Eighteen prominent evaluation reports are examined to contrast predicted evaluation strategies derived from theory about organizational uncertainty with the actual evaluation methods used. It was found that the actual design, measurement, and analysis procedures were frequently different from procedures that were compatible with the kinds of program uncertainty described in the evaluation reports. It is suggested that theory and practice in program evaluation can be improved by systematically incorporating organizational concepts that would contribute to the selection of evaluation methods.  相似文献   
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Excavations at Muweilah have uncovered twelve buildings encircled by two pairs of walls and ditches. We have published preliminary studies of several buildings. Research has now progressed to a stage where it is possible to produce a more complete analysis of the architecture. In this report, we present a detailed discussion of the fortifications and each building with its installations. Our assessment of the architecture identified the repeated combination of three rooms in many of the buildings in the Central Area of Muweilah. Moreover, a detailed study of the fortifications revealed several means of accessing Building II, the columned hall, in the Western Area. These findings offer insights into the organisation of Iron Age II settlements in south‐eastern Arabia.  相似文献   
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Scholars of Canadian politics have noted that the Prime Minister plays a dominant role in shaping domestic and foreign policy. This article examines the role of the Prime Minister in shaping Canadian foreign policy toward Israel since 1993 and shows the central role that the Prime Minister has played on this issue. It specifically argues that Stephen Harper produced a noticeable pro-Israel shift in Canada’s policy and moved Canada away from the multilateralist approach pursued by Jean Chrétien and, to a lesser extent, Paul Martin. But this article also argues that Justin Trudeau has so far embraced a policy that largely reinforces the approach of Harper rather than rejecting it. Thus, one practical implication of the dominant role of the Prime Minister in shaping Canada’s policy toward Israel is that Canada has become more one-sided in its support of Israel in the past two decades.  相似文献   
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