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排序方式: 共有209条查询结果,搜索用时 15 毫秒
1.
Françoise Tondre 《Higher Education in Europe》1990,15(1):35-45
This article examines the operation and the results of TRUC, the Transfrontier Regional University Co‐operation Programme which was launched by the CC‐PU of the Council of Europe more than two years ago. It is a response to the growing recognition that regions which straddle international frontiers play an important political and economic role in Europe and that regional university‐industry links can contribute to the economic viability of such regions. Projects which were initiated in eight out of nine designated regions are examined. The conclusion is that in some cases the existence of pre‐existing regional political and financial agreements can stimulate the implementation of inter‐university agreements. 相似文献
2.
Stéphanie Peltier Françoise Benhamou Mamoudou Touré 《Journal of Cultural Economics》2016,40(4):393-412
A growing body of literature is devoted to testing the reality of the “long-tail” phenomenon. This literature is mostly, if not exclusively, focused on the impact of Internet on the distribution of sales by product. However, the long tail also raises the issue of a possible change in the usual market structure of cultural industries: an oligopoly with a competitive fringe. To our knowledge, no paper addresses the following question: If the long-tail effect does exist, is it of more benefit to small or dominant publishers? The aim of this paper was to address this issue in the context of the French publishing industry. Our main findings are as follows: (1) the market concentration of the French book industry is lower online than offline and (2) the difference in concentration between the two channels of distribution tended to widen over the period 2004–2010. Strategies adopted by leading publishers on the Web do not allow them to maintain the market share obtained with bricks-and-mortar retailers. Furthermore, we show that the market share lost by dominant firms is captured by small publishers online and by medium-sized publishers in conventional stores. 相似文献
3.
Maxime Caru François Lalonde Hugo Gravel Chantal Daigle François Tournoux Vincent Jacquemet 《European Journal of Sport Science》2016,16(8):1005-1013
The protective action of remote ischaemic preconditioning (RIPC) has been demonstrated in the context of surgical interventions in cardiology. Application of RIPC to sports performance has been proposed, but its effect on the electrocardiogram (ECG) during exercise remains unknown. This exploratory study aims to measure the changes in ventricular repolarization observed during exercise following RIPC in healthy subjects. In an experimental randomized crossover study, 17 subjects underwent two bouts of constant load exercise tests at 75% and 115% of gas exchange threshold (GET). Prior to exercise, they were allocated to either control or RIPC intervention with four cycles of 5?min of ischaemia followed by 5?min of reperfusion. ECG was continuously recorded during the protocol. QT and RR intervals were measured every 30?s (on an average tracing of the preceding 10?s). Although the time course of RR intervals did not differ between the two interventions (p?=?.56 at 75% GET and p?=?.74 at 115% GET), a significant shortening of QT intervals (measured from Q onset to T end) was observed during exercise (mean?±?standard deviation of RIPC vs. control: ?32?±?19?ms at 75% GET (p?.001) and ?34?±?12?ms at 115% GET (p?.001)) as well as during recovery (?21?±?8?ms at 75% GET (p?.001) and ?16?±?11?ms at 115% GET (p?.001)). This effect was not present at rest. These RIPC-related changes were clearly identifiable on the QT–RR loops after hysteresis reduction. RIPC therefore induces heart rate-independent shortening of QT intervals that is revealed during exercise. 相似文献
4.
Peer relations across 2 contexts (in school and after school) were examined for 577 participants, approximately 12 years old, from 3 middle schools in Milan, Italy. The primary research questions were: Do peer networks from different contexts uniquely contribute to explaining variance in individual behavior? Do measures of peer preference and peer network inclusion across contexts uniquely contribute to explaining individual depressive symptoms? Structural equation models showed that both the in-school and the after-school peer networks uniquely contributed to explaining variance in 2 types of individual problem behavior (in-school problem behavior, after-school delinquency), and that similarity with the 2 peer networks varied according to behaviors specific to each context and across gender. Finally, both in-school and after-school peer network inclusion contributed to explaining variance in depressive symptoms, after controlling for classroom peer preference. 相似文献
5.
Françoise Cordier Mohamed Es Saidi Jean Cordier 《European Journal of Psychology of Education - EJPE》1997,12(3):305-314
Privileged (typical, basic-level) representations are cognitive representations in which figurative features play a significant part. We specifically consider studies on the conventional point of view in object perception (Palmer, Rosch, & Chase, 1981). We propose an analysis of solid geometrical problems in the field of typicality theory and more generally in the theoretical field of mental models. Applied to this geometrical domain, the analysis suggests that individual cognitive representations — corresponding with different points of view from which a figure can be seen — are more or less representative examples of the category, that is to say they correspond more or less with the mental model built by the subject in this domain. Task 1 emphasizes the most representative point of view for four solid geometrical figures chosen by the experimenter. Then, we analyse two tasks on each figure from both the typical and non typical points of view. Errors occur most frequently when the geometrical figure is seen from its non typical viewpoints. Particular attention should be paid to this factor in analysing errors made by subjects. 相似文献
6.
Susan B. Wetstein-Kroft James W. Vargo 《International journal for the advancement of counseling》1984,7(3):181-195
A first step towards the design and implementation of a successful mainstreaming program requires a careful examination of two key issues. First, what are children's attitudes towards disability, and second, what are the critical elements involved in facilitating attitude change? This paper examines the current research literature on children's attitudes towards disability and programs aimed at attitude change. The review culminates in a synthesis of the key themes and issues involved and provides a foundation for further study. 相似文献
7.
Vaughan Van Hecke A Mundy PC Acra CF Block JJ Delgado CE Parlade MV Meyer JA Neal AR Pomares YB 《Child development》2007,78(1):53-69
Infant joint attention has been observed to be related to social-emotional outcomes in at-risk children. To address whether this relation is also evident in typically developing children, 52 children were tested at 12, 15, 24, and 30 months to examine associations between infant joint attention and social outcomes. Twelve-month initiating and responding to joint attention were related to 30-month social competence and externalizing behavior, even when accounting for 15-month temperament ratings, 24-month cognition and language, and demographic variables. These results suggest that, in addition to associations with language and cognition, infant joint attention reflects robust aspects of development that are related to individual differences in the emergence of social and behavioral competence in childhood. 相似文献
8.
Despite the lack of a clear definition of the concept, “cultural diversity” has remained a core issue for more than a decade
(WTO, UNESCO, etc.). The aim of this paper is to begin to fill this gap. We argue that cultural diversity is a multi-dimensional
concept and that accurate metrics must rely on three criteria: variety, balance and disparity. We also stress that supplied
and consumed diversity have to be distinguished. We apply this set of multiple measures of diversity to publishing data for
France over the period 1990–2003. Our main result is that the situation of the publishing industry in terms of cultural diversity
is highly dependent on the dimension considered. Hence, diversity increases when variety is the sole consideration, whereas
taking balance or disparity into account leads to the opposite conclusion. This issue raises a series of questions about the
use of diversity measures in a policy debate concerned with furthering cultural diversity.
相似文献
Stéphanie PeltierEmail: |
9.
Effect of different recovery patterns on repeated-sprint ability and neuromuscular responses 总被引:1,自引:0,他引:1
We examined the effect of recovery pattern on mechanical and neuromuscular responses in active men during three repeated-sprint ability tests consisting of ten 6-s cycling sprints. Within each test, the recovery duration was manipulated: constant, increasing, and decreasing recovery pattern. Maximal voluntary contractions of the knee extensors were performed before and after the repeated-sprint ability tests to assess strength and electromyographic activity [root mean square (RMS)] of the quadriceps muscle. We observed different fatigue patterns for peak and mean power output between recovery patterns, with earlier decrements recorded during the increasing recovery pattern. Total work performed over the ten sprints was also lower in the increasing recovery pattern (43.8 +/- 5.4 kJ; P < 0.05). However, the decreasing recovery pattern induced a greater overall power output decrement across the sprints (-15.8%; P < 0.05), compared with the increasing recovery pattern (-5.1%) but not the constant recovery pattern (-10.1%). The decreasing recovery pattern was also associated with higher post-sprint RMS values (+16.2%; P < 0.05). Therefore, the recovery pattern within successive short sprints may influence repeated-sprint ability, and may lead to greater post-sprint neuromuscular adjustments when recovery intervals decrease between sprints. We conclude that peripheral impairments caused the major differences in repeated-sprint ability between recovery patterns. 相似文献
10.
Joel Blanchard Samuel Blais Philippe Chetaille Michele Bisson François P. Counil Thelma H. Girard 《Journal of sports sciences》2019,37(11):1265-1269
The purpose of this study was to identify which averaging methods most accurately measures peak cardiorespiratory fitness (CRF) parameters [peak O2 uptake (VO2), peak O2pulse and peak respiratory exchange ratio (RER)] in a sample of healthy children and adolescents. In this cross-sectional multicenter study, we recruited 278 healthy children aged 12–17 years. We compared the mean peak value of three CRF parameters using the recommended averaging methods (30-second block average) with alternative averaging methods such as moving averages or shorter smoothing periods. We also assessed averaging methods for accuracy by individually reviewing breath-by-breath scatter plots. The 30-second block average method resulted in a lower mean peak VO2 and in an increased proportion of underestimated peak values. Using a 30-second moving average significantly increased mean peak values which increased accuracy. Similar results were found for peak RER and peak O2pulse. In conclusion, the currently recommended averaging method (30-second block average) increased the risk of misinterpretation of peak CRF values in children. Using a moving average approach decreased misinterpretation and increased accuracy. 相似文献