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101.
We investigated balance in 33 competitive dancers (17 females, 16 males) and 22 controls (17 females, 5 males) (age 16-27 years) on a force plate in two conditions: single task (quiet stance) and dual task (with a concurrent mental task). Balance was evaluated using centre-of-pressure shift (sway) variability, mean speed, frequency, and sample entropy. The effect of the dual task in the medio-lateral plane was comparable in both groups, decreasing sway variability (P < 0.05) and increasing mean speed (P < 0.001), frequency, and sample entropy (P < 0.001), showing that the participants effectively increased the level of automaticity. In the antero-posterior plane, the dual task also increased sway frequency and sample entropy (P < 0.01) in dancers without affecting their standing performance. In contrast, postural control in non-dancers was vulnerable to reduced cognitive investment, which adversely interfered with baseline performance. There were very high correlations between sway sample entropy and frequency in each group, plane, and task (r = 0.92-0.98, P < 0.001), indicating that both parameters may measure the same characteristic of postural control and that higher sway frequency may play an important role in protecting stability in dual tasking. The postural control of dancers and non-dancers appears to be similar, although dancing seems to facilitate the increased level of automatic control in the antero-posterior plane. 相似文献
102.
This paper presents a benchmark proposal for the Open Government and its application from the open data perspective using data available on the U.S. government's open data portal (data.gov). The benchmark is developed over the adopted Open Government conceptual model, which describes Open Government through data openness, transparency, participation and collaboration. Resulting in two measures, that is, one known as the e-government openness index (eGovOI) and the other Maturity, the benchmark indicates the progress of government over time, the efficiency of recognizing and implementing new concepts and the willingness of the government to recognize and embrace innovative ideas. 相似文献
103.
Leonora Dugonjić 《Paedagogica Historica: International Journal of the History of Education》2014,50(1-2):138-150
Today, the International School of Geneva is known as the world’s oldest and largest private international school, having opened in 1924 under the name “International School”. Many schools have attempted to foster an international environment in a general sense; this school is the first to claim an inter-national identity with reference to a specific political ideology. In this article, I argue that neither student statistics, nor official discourse, nor the individual experience of consecrated School founders can account for this claim. After careful analysis of different forms of capital invested in the School, its founding no longer appears to be a simple response to a "need" or a "demand" but a complex process of social distinction. 相似文献
104.
Darko Dukić 《Library Collections, Acquisitions, and Technical Services》2013,37(1-2):56-65
The main aim of this study was to determine the extent to which Croatian university teachers use online databases as a research support tool, and what role librarians have in their promotion. Although the results show that within Croatian higher education online databases are widely acknowledged as important, they are used less frequently than in many other countries, especially more developed ones. The differences in online database perception between certain user groups were also tested. The study has revealed the problems in database usage and indicated the ways in which librarians can respond to users' needs more efficiently and effectively. 相似文献
105.
106.
Tatjana Lorković 《Slavic & East European Information Resources》2013,14(2-3):120-135
In this article, the author discusses the internship program of the Slavic and East European Collection at Yale University Library, which provides semester-long fellowships to library professionals from Eastern and Central Europe and the former Soviet Union. The program began in 1993 and is ongoing. The author details its history, including how it has been funded, and discusses what the program includes and the logistics of running it. Participants are listed, along with excerpts from some of their final reports and selected post-fellowship activities. 相似文献
107.
This paper offers an efficient sliding manifold design method that minimizes the impact of unmatched disturbances onto SM dynamics and system accuracy. System sensitivity upon unmatched constant or slowly varying external disturbance vector is evaluated by the steady-state dependent criterion function. An infinite set of sliding manifolds that minimize the chosen optimization criterion is determined and a way of selecting a manifold out of that set that provides adopted SM dynamics is suggested. The proposed approach has been demonstrated on numerical examples and verified by simulations. 相似文献
108.
This essay inquires into the pedagogical and political dimensions of art in the contemporary moment. Specifically, it seeks to reanimate Fredric Jameson's notion of “cognitive mapping,” which he introduced as a response to the postmodern problem of representing the social totality. To that end, the essay begins by explicating the twin impulses of cognitive mapping. It, then, undertakes a sustained rhetorical analysis of Jens Lien's award-winning 2006 Norwegian film, The Bothersome Man, demonstrating how the film employs entropic satire to, at once, map and critique the cultural logic of late capitalism. The essay concludes by reflecting on the important contributions rhetorical scholars can make to a renewed interest in cognitive mapping. 相似文献
109.
Ines Dužević 《Tertiary Education and Management》2013,19(1):66-79
The notion that ‘customer satisfaction’ should be the ultimate measure of quality provision of any service organization is often accepted in the higher education context. However, measuring the quality of an educational institution based on students’ satisfaction is insufficient as it diverts the focus from student development, advancement and growth to an affective evaluation of the service. More appropriate measures of quality of higher education institutions are student engagement and learning. This study describes the likely impact of perceived overall quality of higher education institutions on student engagement. The contribution of this study is twofold. First, it draws attention to the importance of higher education institution quality as the main institutional-level determinant of student engagement and, second, it suggests a comprehensive multilevel conceptual framework for its empirical testing. 相似文献
110.