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91.
Editor's Note: From time to time,Academic Questions, under the heading “Voces Academicae,” publishes interviews with teachers and scholars whose experiences and reflections provide a telling commentary on the nature of contemporary university life. In this interview four faculty members at San Francisco State University discuss the great strike of 1968 and its continuing impact on the life of their institution.  相似文献   
92.
Although children’s literature has long alluded to cultural connections between Africans and African Americans, very few texts establish clear lines of influence between particular African ethnic groups and African American characters and communities. Joyce Hansen’s The Captive (1994) and Sharon Draper’s Copper Sun (2006) stand out in portraying protagonists Kofi’s and Amari’s reliance on their past upbringing as Ashanti and Ewe, respectively. As Kofi and Amari endure the traumas of the Middle Passage and slavery in eighteenth-century America, they adapt by relying on their past socialization in traditional West African societies. The two novels challenge the idea of cultural erasure promoted in Elizabeth Yates’ Amos Fortune, Free Man (1950), which is still a fixture on multicultural reading lists for middle school students. The Captive and Copper Sun do provide sharply contrasting visions of their protagonist’s relationships to American society. Copper Sun indicates that a black girl’s concerns, including her need for subsistence and protection, and her desire for creative expression and personal autonomy, can complement the economic and military interests of the state. By contrast, The Captive insists on the necessity for its emancipated protagonist to maintain an adversarial role within a stratified, white-dominated U.S. culture. The novels thus highlight the very different messages about social identity and participation that recent multicultural children’s literature can convey.  相似文献   
93.
A key goal of Biosphere Reserves (BR) is to foster environmental education for sustainable development. In this study we systematically analyse two cases in which environmental art is used as a mechanism to engage communities in ‘building environmental understanding’, in Noosa BR in Australia and North Devon BR in the United Kingdom. Data were derived through document analyses, site visits, questionnaires and semi-structured interviews conducted with the audience, artists, and residents. The study concludes that environmental art can build understanding through (1) exchanging ideas and providing dialogue (2) building a sense of place (3) clarifying and enhancing the understanding of information and issues, and (4) generating concern. Consequently environmental art should be considered an innovative addition to the suite of environmental education tools used in other BRs and community organisations that aim to educate about the environment.  相似文献   
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The Internet segment of the information and communications technology industry has been forecast to reach nearly 1.5 billion users by 2007. Generally referred to as broadband, a number of alternative technologies are now deployed broadly across the United States. This article utilizes a unique data set of 9000 survey responses generated by the Pew Internet and American Life Project in 2004 to examine the impact of several spatial factors, including population size and economic structure, on the likelihood of broadband utilization, after controlling for a set of demographic characteristics. The utilization of broadband is found to be greater with larger cities and in cities with large telecommunications-intensive economic sectors. However, demographic characteristics are also found to be quite significant and relatively stronger than geographic factors in determining broadband utilization.  相似文献   
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The cross-cultural program of research presented here is about matters of temporal persistence--personal persistence and cultural persistence--and about solution strategies for solving the paradox of "sameness-in-change." The crux of this paradox resides in the fact that, on threat of otherwise ceasing to be recognizable as a self, all of us must satisfy at least two constitutive conditions. The first of these is that selves are obliged to keep moving or die, and, so, must continually change. The second is that selves must also somehow remain the same, lest all notions of moral responsibility and any commitment to an as yet unrealized future become nonsensical. Although long understood as a problem demanding the attention of philosophers, we argue that this same paradox arises in the ordinary course of identity development and dictates the different developmental routes taken by culturally mainstream and Aboriginal youth in coming to the identity-preserving conclusion that they and others are somehow continuous through time. Findings from a set of five studies are presented. The first and second studies document the development and refinement of a method for parsing and coding what young people say on the topic of personal persistence or self-continuity. Both studies demonstrate that it is not only possible to seriously engage children as young as age 9 or 10 years in detailed and codable discussions about personal persistence, but that their reasoning concerning such matters typically proceeds in an orderly and increasingly sophisticated manner over the course of their early identity development. Our third study underscores the high personal costs of failing to sustain a workable sense of personal persistence by showing that failures to warrant self-continuity are strongly associated with increased suicide risk in adolescence. Study four documents this same relation between continuity and suicide, this time at the macrolevel of whole cultures, and shows that efforts by Aboriginal groups to preserve and promote their culture are associated with dramatic reductions in rates of youth suicide. In the final study we show that different default strategies for resolving the paradox of personal persistence and change--Narrative and Essentialist strategies--distinctly characterize Aboriginal and non-Aboriginal youth.  相似文献   
96.
Empirical studies within a cognitive load framework have determined that for novice learners, worked examples provide appropriate levels of instructional guidance. As learners advance in specific subject domains, worked examples should be gradually replaced by practice problems with limited guidance. This study compared performance, both immediately post‐instruction and delayed, following instruction under different conditions: using example–problem pairs, using gradual fading of worked examples, and using pure problem‐solving. The study was conducted with employees of a financial services company in a classroom environment. Results indicated that the fading condition consistently outperformed the example–problem and problem‐solving conditions, and the advantage of this condition was enhanced, with statistically significant differences in performance, in delayed and transfer posttest performance.  相似文献   
97.
Abstract

Lateral ankle sprains (LAS) are one of the most common musculoskeletal injuries and as a response, clinicians often use external ankle taping prophylactically to reduce the prevalence of injuries. External ankle taping techniques have been shown to significantly reduce passive ankle range of motion; however, there is limited research on the effects of external ankle taping on lower extremity kinematics or kinetics during sport specific tasks. Therefore, our objective was to compare the effects of external ankle taping on ankle, knee and hip kinematics and kinetics compared to no taping during an anticipated sidestep cutting task and a straight sprint task. We conducted a cross-over laboratory study with 16 healthy males. Three-dimensional kinematics and kinetics were collected with a motion capture system and in-ground force plate during 5 trials of a sprint and anticipated side-step cut with or without external ankle taping. Group means and associated 90% confidence intervals were plotted across 100 data points for each task, significance being identified when the confidence intervals did not overlap for three consecutive data points. No significant kinetic or kinematic differences were identified between conditions for the tasks. External ankle taping does not influence lower extremity biomechanics during a control cutting task.  相似文献   
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