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Shor Y Tsach T Vinokurov A Glattstein B Landau E Levin N 《Journal of forensic sciences》2003,48(2):368-372
A method for lifting two-dimensional dust footwear marks on rough or porous surfaces, such as cardboard or cloth, using a hydraulic press, was examined. It was found that exerting pressure on the lifter by the press usually improves the quality of the results. When the shoeprints were on rough or soft surfaces, the prints transferred to the gelatin lifters were better than those obtained by the conventional method. In other cases, using the press did not improve the results but was much simpler to apply. Based on the results of this study, the hydraulic press/gelatin lifter method (the "press method") is used at the authors' laboratory, depending on the surface from which the shoeprint is to be lifted. It is the authors' intention to apply the method to other surfaces after finding the optimal pressure for surfaces with loose fibers. 相似文献
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Youth from single-parent families report lower educational aspirations than those from two-parent families. This study explored
the influence of background factors (gender, grade, parental education and SES), parental involvement with education, academic self-concept, and peer influences on educational aspirations. The participants
were Canadian adolescents; 2751 from two parent and 681 from single-parent families. ANOVA results showed that adolescents
from single-parent families scored significantly lower than adolescents from intact families on educational aspirations, and
other predictor variables. Hierarchical regression analysis showed that the pattern of relationships between educational aspirations
and other factors was very similar for adolescents from both types of families; namely academic self-concept significantly
predicted educational aspirations. The family involvement and background factors predicted educational aspirations via academic
self-concept. Having academically oriented peers was especially beneficial to adolescents from single-parent families. Implications
for intervention programs are discussed.
The research was supported by a Social Sciences and Humanities Research Council of Canada Grant.
Rashmi Garg is an Associate professor in the Department of Psychology at Laurentian University. She received her PhD in 1983
from the University of Ottawa. Basically she is interested in applied research in the areas of educational and psychological
measurement and testing. More specifically she is interested in the adolescent's education and career development.
Stella Melanson received a master's degree in Human Development from Laurentian University in 2003. She is working as a research
data analysis coordinator for Ontario Early Years Education and Social Planning Council. Her interest is in early childhood
education.
Elizabeth Levin is an Associate Professor and Chair of the Department of Psychology at Laurentian University. She received
her PhD in 1986 from the University of Waterloo. Her major research interests focus on parenting styles and children's conceptions
of parenting. 相似文献
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Michael Levin Iain Walker David Moore Michael O. West Odile Goerg Anna Crozier 《Canadian journal of African studies》2013,47(2):362-417
Les relations de pouvoir façonnent le cours de l'existence du secteur pétrolier depuis la découverte et la commercialisation de l'or noir remontant au 19e siècle. Progressivement, quoique bien rapidement, cette substance devint le moteur de l'évolution économique mondiale toujours en vigueur. Étrangement, plusieurs études actuelles, que l'on rassemble sous la thèse de la malédiction des ressources (resource curse [RC]), semblent pourtant esquiver leur centralité à la compréhension de la paupérisation et des violences vécues chez les populations de certaines régions riches en ressources pétrolières. À travers la problématisation de la littérature analytique portant sur la RC appliquée à la situation chaotique de la région du delta du Niger au Nigéria et sa mise en relation avec les débats appréciatifs des pratiques de RSE (responsabilité sociale des entreprises), cet article démontre l'importance de prendre en compte l'ensemble des dimensions politiques du vécu de la RSE dans une réalité locale, nationale et internationale aux diverses ramifications "s'inter-constituant." 相似文献
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Zeev Rosenhek 《International Journal of Politics, Culture, and Society》2013,26(3):255-272
This article explores a key facet of the ideational dynamic underlying the politics of the global financial crisis, examining the interpretative and communicative practices through which the two most powerful central banks in the world—the Fed and the ECB—made sense of the events. Drawing on a constructivist neoinstitutional perspective, the study traces and analyzes the diagnoses and causal accounts of the global financial crisis formulated and voiced by these two actors, mapping and examining their evolution from the beginning of the events in the American subprime market in mid-2007 through the peak of the crisis in global financial markets in mid-2009. The analysis assesses the extent to which the two central banks diagnosed and explained the crisis in ways that challenged dominant notions and conceptual assumptions regarding the economic field, particularly the financial realm, or rather in ways that served to ratify them. While in the first stages of the crisis the diagnoses and causal accounts tended to ratify dominant notions and understandings of the financial field, they later evolved as involving a partial, but still significant, reassessment of established truths. These coherent and detailed sense-making plots touched upon some of the most basic attributes of global financial capitalism, carrying with them the potential for helping to open up the political space for a reevaluation of some of its ideational underpinnings. 相似文献