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21.
The creation of the Baccalaureat Professionnel : a case study of decision making in French education
Antoine Prost 《教育政策杂志》2013,28(1):19-31
Prime Minister Fabius's announcement (May 1985) of the creation of a new baccalauréat, the baccalauréat professionnel, and of the official objective of having 80% of high school students reach the level of the baccalauréat in 2000, was the most important decision in French education since the Gaullist reforms of the early sixties. This article shows the impact of that decision on student numbers and on the morphology of the educational system, mainly its vocational track. The detailed chronology of the reform makes it possible to specify the responsibility of each agent: the teachers' unions, the executive officers of the ministry, the politicians and the employers' pressure groups. The decision was not a response to employers' demands. It was state policy based on politicians' view of the long-term needs of the economy, on their desire to upgrade the vocational track and give the educational system a new dynamic turn, and finally, on short-run political considerations of the positive impact of such a measure on public opinion in view of the legislative election of 1986. 相似文献
22.
Vincent Fohanno Antoine Nordez Richard Smith 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(3):310-322
Between limb movement asymmetries and foot force production asymmetries are thought to be detrimental for both rower's performance and risk of injury, particularly when rowing frequently on ergometers. Several ergometers with different designs can be used by rowers as part of their indoor training. Hence, this study aimed to compare asymmetries in lower limb joint kinematics and foot force production with respect to ergometer design and rowing intensity. A new symmetry index was proposed to assess these asymmetries in elite rowers during a test on three ergometers. Additionally, the asymmetry in lower limb length was assessed to investigate its relationship with kinematic and kinetic asymmetries. Parameters describing medium (5–10%) or high (>10%) asymmetries were compared between rowing ergometers and intensities. Results indicated medium asymmetries for the ankle joint angle and hip–knee joint accelerations and high asymmetries for the resultant force and the ankle joint acceleration associated with a low inter-stroke variability. Kinetic asymmetry was neither correlated to kinematic asymmetry nor with lower limb length asymmetry. The use of a mobile ergometer led to higher joint acceleration asymmetries. Further studies are necessary to investigate the relation between these findings and muscular adaptations that may increase the risk of lower-back injury. 相似文献
23.
Paul D Saias L Pedinotti JC Chabert M Magnifico S Pallandre A De Lambert B Houdayer C Brugg B Peyrin JM Viovy JL 《Biomicrofluidics》2011,5(2):24102
A broad range of microfluidic applications, ranging from cell culture to protein crystallization, requires multilevel devices with different heights and feature sizes (from micrometers to millimeters). While state-of-the-art direct-writing techniques have been developed for creating complex three-dimensional shapes, replication molding from a multilevel template is still the preferred method for fast prototyping of microfluidic devices in the laboratory. Here, we report on a "dry and wet hybrid" technique to fabricate multilevel replication molds by combining SU-8 lithography with a dry film resist (Ordyl). We show that the two lithography protocols are chemically compatible with each other. Finally, we demonstrate the hybrid technique in two different microfluidic applications: (1) a neuron culture device with compartmentalization of different elements of a neuron and (2) a two-phase (gas-liquid) global micromixer for fast mixing of a small amount of a viscous liquid into a larger volume of a less viscous liquid. 相似文献
24.
The winner’s curse is a well-known phenomenon in the auction theory. The main aim of this article is to verify its existence in football broadcasting rights. The underlying objective is to assess whether some indices of this situation are verified and can cause a winner’s curse. The methodology is based on the application of Andreff (2014)’s six indices and a seventh index (disappointment) to the domestic markets for broadcasting rights of the French and English football leagues. These two markets have seen an increase in the number of packages offered to broadcasters, with the possibility of several ‘winners’. The article shows that the winner of the major packages in the auction is not cursed. The curse is more likely to happen for the second mover. As such, the article suggests a practical recommendation for broadcasters interested in football rights: win the best package or keep away. 相似文献
25.
Dominique Hansen Jan-Willem van Dijk Antoine Zorenc Lennert Minten Kevin Smeets 《European Journal of Sport Science》2018,18(9):1245-1254
Aims: Exercise combined with adipose tissue lipolytic inhibition augments intramuscular lipid and glycogen use in type 2 diabetes patients. The present study investigates the impact of adipose tissue lipolytic inhibition during exercise on subsequent postprandial glycemic control in type 2 diabetes patients.Methods: Fourteen male type 2 diabetes patients (age 65?±?2 years, HbA1c 6.7?±?0.1% (50?±?2?mmol/mol)) participated in a double-blind placebo-controlled randomized cross-over study in which subjects performed endurance-type exercise after being administered 250?mg of a nicotinic acid analogue (acipimox; ACP) or a placebo (PLA). A control experiment was included in which no exercise was performed (CON).Results: Sixty minutes of endurance-type exercise (at 45% Wpeak) did not significantly lower circulating plasma glucose and insulin excursions in PLA when compared with CON (P?=?.300). Acipimox administration strongly reduced circulating plasma FFA concentrations during exercise (P?.001). Circulating plasma glucose and insulin excursions were substantially lower during 7.5?h of recovery from exercise (i.e. postprandial) in ACP when compared with either CON (P?=?.041 and P?=?.002, respectively) or PLA (P?=?.009 and P?=?.001, respectively).Conclusions: Collectively, exercise with adipose tissue lipolytic inhibition reduces postprandial blood glucose and insulin excursions and, as such, further improves glycemic control in male type 2 diabetes patients. 相似文献
26.
Yann Le Mansec Benjamin Pageaux Antoine Nordez Sylvain Dorel 《Journal of sports sciences》2018,36(23):2751-2759
ABSTRACTThis study aimed at evaluating the effects of mental and muscle fatigue on table tennis performance. Mental fatigue (MF) was induced by completion of 90 minutes of the AX-CPT; muscle fatigue was induced by completion of an eccentric exercise performed with the elbow flexors (biceps fatigue, BF) or the knee extensors (quadriceps fatigue, QF). The control condition consisted of watching a movie. Stroke parameters (speed and accuracy of the ball), as well as feelings of fatigue and force production capacity of the elbow flexors (BF, MF and control conditions) and knee extensors (QF condition), were assessed pre and post fatigue protocols. Feelings of fatigue increased post fatigue protocols. Force production capacity decreased only in the BF and QF conditions. BF and MF induced a decrease in accuracy. This decrease in accuracy was associated with an increased ball speed in the BF condition, and a decreased ball speed in the MF condition. QF had a negligible effect on stroke performance. Our results suggest that both mental fatigue, and muscle fatigue, significantly impair table tennis performance and therefore coaches should take into account both the physical and mental state of table tennis players to optimize performance. 相似文献
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28.
Antoine C. M. van den Bogaart Marco Mazereeuw Hans G. K. Hummel Paul A. Kirschner 《Scandinavian Journal of Educational Research》2019,63(3):363-377
A characteristic of being a professional is the internalisation of the collective professional theory (CPT)—the shared insights of professionals. Problems arise when different opinions stemming from professionals’ personal professional theories (PPTs) obscure a CPT’s content. This study argues that cooperating professionals’ CPTs form a so-called field and can be represented by concept maps. The relations between PPTs, CPTs, and fields are examined for the fields of accountancy and teaching. The results indicate that CPTs are more complex than PPTs, and that the teachers’ field is more diverse than the accountants’ field. These insights are important because socialisation in a field may be fostered if one is aware of CPTs and the surrounding field in relation to one’s PPT. 相似文献
29.
Celine Leverrier Antoine Gauthier Arnaud Nicolas Corinne Molinaro 《Research quarterly for exercise and sport》2013,84(3):458-465
Abstract The purpose of this study was to observe the effects of a submaximal isometric training program on estimation capacity at 25, 50, and 75% of maximal contraction in isometric action and at two angular velocities. The second purpose was to study the variability of isometric action. To achieve these purposes, participants carried out an isokinetic extension movement of the dominant lower limb during six test sessions and nine training sessions. Following the training program, estimation capacity in the different actions did not improve. However, an improvement in performance was observed with a reduction in the variability of submaximal isometric actions. The proprioceptors activated in isometric action seemed to adapt to the training program itself, which would promote better adaptation by a greater solicitation of internal feedback. 相似文献