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1.
Postcards from the Edge of the Color Line: Images of African Americans in Popular Culture, 1893–1917
Wayne Martin Mellinger 《Symbolic Interaction》1992,15(4):413-433
This paper examines visual representations of African Americans on postcards from 1893 to World War I. Caricatures of African Americans found on these popular cultural artifacts frequently employ the visual metaphor of other-as-beast. To map the discursive features of this form of racist ideology, attention is paid to the icono-graphic and linguistic strategies employed to depict African Americans as physically, intellectually, and temperamentally distinct and inferior. While no oppositional readings to this racist discourse were located in the flip-side messages of the senders, resistance was located in the contemporaneous popular culture of African Americans. 相似文献
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Wayne McLeod 《Australian and New Zealand Journal of Family Therapy》1993,14(3):164-167
This paper is an attempt, using one case example, to highlight the struggle many men have with masculinity. The presenting problem for this young man, was his belief he had a small penis and was not a “man”. This resulted in him closing off his life more and more. The connection between intimacy and masculinity and the ideas that proved helpful for this man consequently to explore relationships will be discussed. 相似文献
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Kimberley Kolb Ayre Colleen A. Caldwell Jonah Stinson Wayne G. Landis 《Risk analysis》2014,34(9):1589-1605
Introduction and spread of the parasite Myxobolus cerebralis, the causative agent of whirling disease, has contributed to the collapse of wild trout populations throughout the intermountain west. Of concern is the risk the disease may have on conservation and recovery of native cutthroat trout. We employed a Bayesian belief network to assess probability of whirling disease in Colorado River and Rio Grande cutthroat trout (Oncorhynchus clarkii pleuriticus and Oncorhynchus clarkii virginalis, respectively) within their current ranges in the southwest United States. Available habitat (as defined by gradient and elevation) for intermediate oligochaete worm host, Tubifex tubifex, exerted the greatest influence on the likelihood of infection, yet prevalence of stream barriers also affected the risk outcome. Management areas that had the highest likelihood of infected Colorado River cutthroat trout were in the eastern portion of their range, although the probability of infection was highest for populations in the southern, San Juan subbasin. Rio Grande cutthroat trout had a relatively low likelihood of infection, with populations in the southernmost Pecos management area predicted to be at greatest risk. The Bayesian risk assessment model predicted the likelihood of whirling disease infection from its principal transmission vector, fish movement, and suggested that barriers may be effective in reducing risk of exposure to native trout populations. Data gaps, especially with regard to location of spawning, highlighted the importance in developing monitoring plans that support future risk assessments and adaptive management for subspecies of cutthroat trout. 相似文献
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Wayne K. Talley 《Journal of Labor Research》2007,28(3):515-524
I investigate the earnings differentials among union and nonunion seafarers, across seafarer occupations, and with respective
to other transport operatives. The empirical results suggest that the union and nonunion weekly earnings of captains/mates
are comparable, and the union earnings gap for sailors/deckhands is positive. The union (nonunion) weekly earnings of captains/mates
are 14.7 (30.5) percent greater than those of sailors/deckhands; the union weekly earnings of captains/mates (sailors/deckhands)
are 12.6% greater (9.5% less) than those of truck drivers; and the nonunion weekly earnings of captains/mates (sailors/deckhands)
are 33.0% greater (6.2% less) than those of truck drivers. The sailor/deckhand and truck driver earnings differentials are
contrary to the general belief that the earnings of truck drivers are less than those of other operative occupations involved
in transporting intermodal cargo.
相似文献
Wayne K. TalleyEmail: |
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Peter Brown Yuedong Yang Yaoqi Zhou Wayne Pullan 《Journal of Combinatorial Optimization》2017,33(2):551-566
The linear sum assignment problem is a fundamental combinatorial optimisation problem and can be broadly defined as: given an \(n \times m, m \ge n\) benefit matrix \(B = (b_{ij})\), matching each row to a different column so that the sum of entries at the row-column intersections is maximised. This paper describes the application of a new fast heuristic algorithm, Asymmetric Greedy Search, to the asymmetric version (\(n \ne m\)) of the linear sum assignment problem. Extensive computational experiments, using a range of model graphs demonstrate the effectiveness of the algorithm. The heuristic was also incorporated within an algorithm for the non-sequential protein structure matching problem where non-sequential alignment between two proteins, normally of different numbers of amino acids, needs to be maximised. 相似文献
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A onestep estimator, which is an approximation to the unconditional maximum likelihood estimator (MLE) of the coefficient matrices of a Gaussian vector autoregressive process is presented. The onestep estimator is easy to compute and can be computed using standard software. Unlike the computation of the unconditional MLE, the computation of the onestep estimator does not require any iterative optimization and the computation is numerically stable. In finite samples the onestep estimator generally has smaller mean square error than the ordinary least squares estimator. In a simple model, where the unconditional MLE can be computed, numerical investigation shows that the onestep estimator is slightly worse than the unconditional MLE in terms of mean square error but superior to the ordinary least squares estimator. The limiting distribution of the onestep estimator for processes with some unit roots is derived. 相似文献
10.
DeSouza Andresa A. Akers Jessica S. Fisher Wayne W. 《The Analysis of verbal behavior》2017,33(2):229-259
The Analysis of Verbal Behavior - Sundberg and Michael (2011) reviewed the contributions of Skinner’s (1957) Verbal Behavior to the treatment of language delays in children with autism... 相似文献