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Jean-Marc Juhel 《Peabody Journal of Education》2016,91(5):588-605
This article presents the findings of a qualitative study conducted in 2014 with 16 experienced heads of school in the New York metropolitan area. The study was designed to better understand the skills and practices that they view as critical to leading and managing independent schools. The data collected speak to each head's ability to manage the school's leadership team and board of trustees, communicate effectively and empathically with all constituencies, and build meaningful relationships based on trust. Due to the study's limited geographical scope, further qualitative research is needed to build a more complete understanding of independent school headship. The findings, however, provide a framework for leadership skills and models of tried management practices that may enhance the capacity of school heads, present and future. 相似文献
2.
Magali Brunet Audrey Cochard Christophe Deshayes Chantal Brouca-Cabarrecq Luc Robbiola Jean-Marc Olivier 《文物保护研究》2020,65(2):103-117
ABSTRACTIn many countries, collections of historic aircraft, conserved in Air and Space museums or local associations, reflect the importance of a national or local history. Mostly parked outdoors, aircraft suffer from significant corrosion requiring conservation operations. During renovation, metallic parts are often replaced by association members. This can lead to a major loss of information since industrial archives dealing with materials and processes do not always survive. However, if these elements can be considered, they could be a fundamental source of information on the materials originally used and of the technical history of aeronautics. This work reports a thorough study of aluminium-based alloy parts collected on a Breguet aeroplane dating from the 1950s, during its recent renovation. Thanks to an approach coupling multi-scale material characterisation and research in archives, information on the industrial knowledge is revealed. Several historic grades of aluminium-based alloys were found, namely A-U4G, A-U4G1, and A-U3G, depending on the role of the part. Similarly, different protective coatings were identified (anodic oxidation, primers, and paintings), depending on the role of the metallic part and its location in the plane. Knowledge of the materials from bulk metal to the coated surface is necessary for good conservation practices regarding aeronautical heritage artefacts. Related documents and archives also fundamentally help in understanding such complex artefacts. 相似文献
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本文主要分析斯坦因1907年在敦煌所得的星图手卷,认为此星图是用精确的数学方式绘制的。推断星图绘制于公元649—684年间,而非先前推断的公元940年。并与后世的星图做了比较。 相似文献
4.
Jean-Marc Giannoli Stphanie Albarede Thierry Avellan Jean-Pierre Bouilloux Rgine Cartier Richard Cohen Nathalie Colard Luc Essemilaire Jean-Louis Galinier Mathieu Kuentz Mickaël Paris Henri Portugal Florian Scherrer Jean-Pascal Siest Anne Vassault Jean-Michel Vialle 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2021,31(2)
This is a translation of the paper “Recommendations for the application and follow-up of quality controls in medical biology laboratories” published in French in the journal Annales de Biologie Clinique (Recommandations pour la mise en place et le suivi des contrôles de qualité dans les laboratoires de biologie médicale. Ann Biol Clin (Paris). 2019;77:577-97.). The recommendations proposed in this document are the result of work conducted jointly by the Network of Accredited Medical Laboratories (LABAC), the French Society of Medical Biology (SFBC) and the Federation of Associations for External Quality Assessment (FAEEQ). The different steps of the implementation of quality controls, based on a risk analysis, are described. The changes of reagent or internal quality control (IQC) materials batches, the action to be taken in case of non-conform IQC results, the choice of external quality assessment (EQA) scheme and interpretation of their results as well as the new issue of analyses performed on several automatic systems available in the same laboratory are discussed. Finally, the concept of measurement uncertainty, the robustness of the methods as well as the specificities of near-patient testing and rapid tests are described. These recommendations cannot apply for all cases we can find in medical laboratories. The implementation of an objective alternative strategy, supported with documented evidence, might be equally considered. 相似文献
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Valérie Saint-Dizier de Almeida Jean-Marc Colletta Emmanuelle Auriac-Slusarczyk Antonietta Specogna Jean-Pascal Simon Gabriela Fiema 《International journal of qualitative studies in education》2016,29(5):686-713
The paper proposes a theoretical and methodological framework based on a pluralistic, concerted approach to the study of activities that take place in and through speech interactions. The framework has a general scope, applying to any collective activity taking form through language interactions. It contributes to a fuller understanding of the dynamics of activity and the emergence of the phenomena observed. The framework fits a constructivist and interactionist paradigm. It allows an approach to different dimensions of the activity: communicational, functional, discursive and interlocutory. The theories, models, concepts and methods chosen to address each of the dimensions are presented. From the study of a collaborative philosophical inquiry produced in the first year of a French primary school, we illustrate the use of the framework and show how it can be enriched according to the nature of the activity studied and researchers’ aims. 相似文献
6.
Three experimentations are described in order to give a basis to an empirical psycho-social conception aimed at taking into consideration the essential role of social variables. The experimental paradigm «deals with» social comparison modes of social insertion and «success-failure attributions». The results show modifications in performance depending on the various social insertions that are dealt with. These modifications go as far as inverting success and failure in the reconstruction of information asked of them in the experiment. The interpretations are based on an explanation that links the weight of the socio-normative evaluation context in which subjects operate to the socio-cognitive mediations involved in the various social insertions. 相似文献
7.
Peters RD Bradshaw AJ Petrunka K Nelson G Herry Y Craig WM Arnold R Parker KC Khan SR Hoch JS Pancer SM Loomis C Bélanger JM Evers S Maltais C Thompson K Rossiter MD 《Monographs of the Society for Research in Child Development》2010,75(3):vii-viii, 1-174
Although comprehensive and ecological approaches to early childhood prevention are commonly advocated, there are few examples of long-term follow-up of such programs. In this monograph, we investigate the medium- and long-term effects of an ecological, community-based prevention project for primary school children and families living in three economically disadvantaged neighborhoods in Ontario, Canada. The Better Beginnings, Better Futures (BBBF) project is one of the most ambitious Canadian research projects on the long-term impacts of early childhood prevention programming to date. Bronfenbrenner's ecological model of human development informed program planning, implementation, and evaluation. Using a quasi-experimental design, the BBBF longitudinal research study involved 601 children and their families who participated in BBBF programs when children were between 4 and 8 years old and 358 children and their families from sociodemographically matched comparison communities. We collected extensive child, parent, family, and community outcome data when children were in Grade 3 (age 8–9), Grade 6 (age 11–12), and Grade 9 (age 14–15). The BBBF mandate was to develop programs that would positively impact all areas of child's development; our findings reflect this ecological approach. We found marked positive effects in social and school functioning domains in Grades 6 and 9 and evidence of fewer emotional and behavioral problems in school across the three grades. Parents from BBBF sites reported greater feelings of social support and more positive ratings of marital satisfaction and general family functioning, especially at the Grade 9 follow-up. Positive neighborhood-level effects were also evident. Economic analyses at Grade 9 showed BBBF participation was associated with government savings of $912 per child. These findings provide evidence that an affordable, ecological, community-based prevention program can promote long-term development of children living in disadvantaged neighborhoods and produce monetary benefits to government as soon as 7 years after program completion. 相似文献
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The article sets the international context for the development of a curriculum of education for sustainable development and shows the directions being taken in the Francophone community. Building on a significant number of studies carried out in France, we constitute a typology of the positions of French-speaking researchers involved in those studies and contributing to the establishment of the national curriculum. This typology is constructed using a methodology based on the frequency of lexical occurrences in a bibliographic database, combined with a methodology of research on the social representations of the researchers of this community. We first present a broad comparison with the Anglo-Saxon sphere, we postulate that these positions influence the curriculum construction and raise the issue of the social responsibility of education science researchers in the face of international political demands. 相似文献
10.
Bouget M Rouveix M Michaux O Pequignot JM Filaire E 《Journal of sports sciences》2006,24(12):1297-1302
In this study, we examined the effect of rapidly increased training volume and intensity on hormonal responses (salivary cortisol [C] and urinary dehydroepiandrosterone sulphate [DHEA-S]) and recovery-stress state perceived by 12 female cyclists. Over the 4-day experimental period, there was an average increase in training load of approximately 122% compared with that during the previous 12 days. Scores on subscales of the Recovery Stress Questionnaire for Athletes increased for the somatic component of stress (Fatigue, Emotional Stress and Social Stress; P<0.05) and decreased the factor indicating recovery (General Well Being; P<0.05) after the heavy training period. The training programme increased resting concentrations of salivary cortisol (P<0.05) and decreased the DHEA-S/C ratio (P<0.05). The increase in training load of cyclists was correlated with this hormonal ratio (r=-0.48, P<0.05). Changes in resting cortisol concentration as a result of heavy training stress were positively related to the change in Physical Complaints (r=0.69, P<0.01). Negative relationships were also found between changes in the DHEA-S/C ratio and changes in the somatic component of stress. The present results suggest that there is a dose-response relationship between increased training load, resting DHEA-S/C ratio and subjective assessment of stress and recovery, implying that this ratio could be used as an indicator of training status in female athletes. 相似文献