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81.
Alex Kulick Laura J. Wernick Mario Alberto V. Espinoza Tarkington J. Newman Adrienne B. Dessel 《Sport, Education and Society》2013,18(9):939-953
ABSTRACTSchool-based sports and physical education play an important role in the development of youth (Jones, Edwards, et al., 2017), but participation in athletics is unequal for lesbian, gay, bisexual, transgender, and queer (LGBTQ) youth compared to their straight/cisgender peers [Greenspan, S. B., Griffith, C., & Murtagh, E. F. (2017). LGBTQ youths’ school athletic experiences: A 40-year content analysis in nine flagship journals. Journal of LGBT Issues in Counseling, 11(3), 190–200]. Sport cultures, generally, recreate dynamics of exclusion for marginalized youth. However, there are opportunities to transform these spaces into more inclusive and positive environments to support positive growth for all young people [Newman, T., Alvarez, A., & Kim, M. (2017). An experiential approach to sport-based positive youth development. Journal of Experiential Education, 40(3), 308–322]. Our study uses a data set of adolescents, collected as part of a community-based participatory action research project led by high school students in southeast Michigan, USA. Respondents reported their sexual and gender identities, as well as experiences in youth sport, as well as safety using sex-segregated facilities (i.e., bathrooms and locker-rooms). Using mediation models based on linear regression, we found evidence that LGBQ high school students play sports at a significantly lower rate compared to straight students, and among those who play sports, LGBTQ respondents felt significantly less safe compared to straight and cisgender students. Opposite to the LGBQ and trans youth in this study, straight/cisgender youth also reported feeling safer using all facilities. The mediation models suggest that these inequalities help to explain disparities in rates of sports participation and feelings of safety while participating. These findings have important implications for policy, practice, and future research. 相似文献
82.
Elena Seminati Alessandra Marzari Oreste Vacondio Alberto E. Minetti 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(2):216-231
Repetitive stresses and movements on the shoulder in the volleyball spike expose this joint to overuse injuries, bringing athletes to a career threatening injury. Assuming that specific spike techniques play an important role in injury risk, we compared the kinematic of the traditional (TT) and the alternative (AT) techniques in 21 elite athletes, evaluating their safety with respect to performance. Glenohumeral joint was set as the centre of an imaginary sphere, intersected by the distal end of the humerus at different angles. Shoulder range of motion and angular velocities were calculated and compared to the joint limits. Ball speed and jump height were also assessed. Results indicated the trajectory of the humerus to be different for the TT, with maximal flexion of the shoulder reduced by 10 degrees, and horizontal abduction 15 degrees higher. No difference was found for external rotation angles, while axial rotation velocities were significantly higher in AT, with a 5% higher ball speed. Results suggest AT as a potential preventive solution to shoulder chronic pathologies, reducing shoulder flexion during spiking. The proposed method allows visualisation of risks associated with different overhead manoeuvres, by depicting humerus angles and velocities with respect to joint limits in the same 3D space. 相似文献
83.
Alberto Melo 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1980,26(3):325-334
Résumé Depuis 1974 le Portugal a fait l'expérience de changements spectaculaires dans les pratiques de l'enseignement au niveau local. L'école a été ouverte à la communauté et la communauté à l'école. Le programme de formation des enseignants comprend maintenant une nouvelle matière: l'étude de la communauté afin de les préparer au rôle actif d'ouvrir l'école à la communauté et de les aider à mieux comprendre les différents milieux sociaux dont sont issus leurs élèves. Parmi les innovations il convient de noter la publication de journaux ou bulletins d'information locale qui aide les enseignants et les élèves à mieux comprendre la communauté à laquelle ils appartiennent. La création d'un jardin scolaire où les élèves cultivent fleurs et légumes jette un pont supplémentaire entre l'école et la communauté. Autres exemples d'action de la communauté: les classes d'alphabétisation des adultes, la création de mouvements volontaires de femmes, l'organisation de clubs de jeunes, la constitution de coopératives, les initiatives locales comme d'acheter un vieux tramway pour le transformer en bibliothèque. Une des innovations les plus importantes a été l'introduction de 'l'Education Civique et Polytechnique' à l'école (classes de 13 à 16 ans). Deux heures par semaine devaient être consacrées à une intervention active de l'école dans la communauté locale, à l'engagement des jeunes, agents d'évolution, dans la vie de la société, à l'articulation entre les études scolaires et l'application pratique, au travail social et productif, et à la participation des jeunes à la solution des problèmes nationaux, en partant d'une connaissance concrète de la vie locale et régionale. Cependant, depuis 1976, la politique de l'enseignement au Portugal a pris une tournure plus conservatrice et ce n'est que dans localités où le consensus du corps enseignant a été très fort que les relations nouvelles entre l'école et la communauté ont pu être maintenues.
Since 1974 Portugal has experienced some dramatic changes in educational practices at the local level. The school has been opened to the community and the community to the school. Teacher education now includes community studies, designed to prepare teachers for an active role in this process and for the better understanding of the social background of pupils. One new practice is the publication of local newspapers or news-sheets to enhance the understanding of the community by teachers and pupils. The development of a school garden for the cultivation of flowers and vegetables serves as another bridge between school and community. Other examples of community action are adult literacy classes, the creation of voluntary organisations for women, the running of youth clubs, the formation of co-operatives, and local projects like the purchase of an old tram-car to be converted into a library. The introduction of Civic and Polytechnic Education for 13–16 year olds was an important innovation. One half-day a week was to be devoted to the integration of the school with the locality, young people's participation in society as agents of change, the linking of study and productive work, and the involvement of young people in the solution of national problems, working from a concrete knowledge of local and regional life. However, since 1976 there has been a more conservative approach, and only in places with a strong consensus amongst teachers has the new relationship between school and community been maintained.
Zusammenfassung Ab 1974 hat Portugal auf örtlicher Ebene ein paar dramatische Veränderungen in der Bildungspraxis erfahren. Die Schule wurde für das Gemeinwesen aufgeschlossen und das Gemeinwesen für die Schule. Nunmehr umfaßt die Lehrerbildung Studien des Gemeinwesens, dazu bestimmt, die Lehrer auf eine aktive Rolle in diesem Prozeß und auf ein besseres Verständnis für die soziale Herkunft der Schüler vorzubereiten. Eine der neuen Praktiken ist die Veröffentlichung lokaler Zeitungen oder Mitteilungsblätter, damit Lehrer und Schüler das Gemeinwesen gründlicher verstehen lernen. Eine weitere Brücke zwischen Schule und Gemeinwesen schlägt die Anlage eines Schulgartens zur Anzucht von Blumen und Gemüse. Andere Beispiele von Aktivitäten für das Gemeinwesen sind Klassen zur Alphabetisierung Erwachsener, der Betrieb von Jugendklubs, die Schaffung von Kooperativen und örtliche Projekte wie der Ankauf eines alten Straßenbahnwagens, um ihn in eine Bibliothek umzuwandeln. Die Einführung einer staatsbürgerlichen und polytechnischen Bildung für 13- bis 16-jährige war eine wichtige Neuerung. In jeder Woche sollte ein halber Tag der Integration der Schule in die örtliche Umwelt gewidmet sein, der Mitwirkung junger Leute in der Gesellschaft als Agenten des Wandels, der Verknüpfung des Lernens mit der produktiven Arbeit und der Beteiligung junger Menschen an der Lösung nationaler Probleme aufgrund einer konkreten Kenntnis des örtlichen und regionalen Lebens. Allerdings kam es ab 1976 zu einem konservativeren Ansatz, und nur dort blieb die Neue Beziehung zwischen Schule und Gemeinwesen aufrechterhalten, wo ein starker Konsens der Lehrer untereinander bestand.相似文献
84.
AbstractTransgenic learning is a disruptive approach in education. It encourages modification of moving parts of the educational chain. This article provides a view of transgenic learning focused on the delivery of enriched learning contents in STEAM areas. It discusses the mutagenic role that the virtual containers may play in current distance education. We focus on the containers’ technology and how it can bridge students, computing resources, teachers and specific IT needs. We also present an experiment carried out at UNIR University where we describe the transition from using conventional software distribution methods to the use of containers. Thanks to this virtualization approach, it is possible to deliver the necessary software-based lab scenarios. The results show that the participation and satisfaction of the students increased over time. Our experience shows that the combination of open educational resources, containers, and modern distribution channels can play a significant role in STEAM education. 相似文献
85.
Research on college persistence has typically classified nonreturnees as dropouts. Recently, this practice has been criticized by Tinto (1987) who argues that such a practice merges together different types of withdrawal behavior whose determinants may vary as a function of the particular departure behavior under consideration. This paper empirically examines whether the determinants of decisions to withdraw from the institution are similar to those affecting decisions to transfer to other institutions of higher education for the 1984 entering freshman class at a large southern institution. Results provide support for Tinto's proposition of differentiating between different types of voluntary withdrawal behavior. While institutional commitment, academic performance, finance attitudes, and student perceptions of faculty concern for student development and teaching discriminated between persisters and dropouts, only final institutional commitment and final goal commitment discriminated between persisters and transfers.An earlier version of this paper was presented before the 1990 American Educational Research Association annual meeting. 相似文献
86.
87.
Alberto?ArenasEmail author 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2004,50(3-4):379-395
The voucher model of financing schooling is becoming increasingly common throughout Latin America, with at least 12 countries using vouchers or voucher-like schemes. The present study focuses on the voucher models of Colombia and Chile, which have the most extensive programs of this type and those of the longest standing in the region. Using empirical evidence, the author compares the two models along four evaluative dimensions: educational quality, segregation, choice and socialization. After weighing the successes and weaknesses of each system, he concludes that, among other characteristics, the most effective and equitable voucher model features: (a) a flexible interpretation of educational quality; (b) financial grants which target solely the poor; (c) vouchers which cover the entire cost of tuition; (d) open enrolment at participating schools; (e) the participation of both secular and religious private schools; (f) accessible and meaningful information to parents; and (g) strong systems of accountability. 相似文献
88.
Alberto Cordero 《Science & Education》2012,21(10):1419-1435
This paper presents and comments on Mario Bunge??s scientific realism. After a brief introduction in Sects. 1 and 2 outlines Bunge??s conception of realism. Focusing on the case of quantum mechanics, Sect. 3 explores how his approach plays out for problematic theories. Section?4 comments on Bunge??s project against the background of the current debate on realism in contemporary analytic philosophy. 相似文献
89.
Madalena Fonseca Diana Dias Carla Sá Alberto Amaral 《European Journal of Education》2014,49(1):144-158
Access to higher education in Portugal is governed by a quota system (numerus clausus). The purpose of this article is to answer two questions: First, how does the numerus clausus system shape the demand for medical studies? Second, how do non-enrolled medical candidates influence the global allocation system and generate waves of dissatisfaction? The results show that students who do not succeed in entering medicine register in other programmes, such as pharmacy, veterinary medicine and dental studies, generating a first wave of dissatisfaction. Because students who are not placed in medicine occupy a large share of the places available in those other programmes, the wave of dissatisfaction propagates, with students being pushed to other programmes, especially biology and biochemistry. This process has also been analysed from a spatial perspective. Apparently, when students are competing to obtain a study place in a programme with prestige and good professional career perspectives such as medicine moving to a more peripheral region becomes more frequent. 相似文献
90.
Alberto Bellocchi Stephen M. Ritchie Kenneth Tobin Maryam Sandhu Satwant Sandhu 《Cultural Studies of Science Education》2013,8(3):529-552
Classroom emotional climates (ECs) are interrelated with students’ engagement with university courses. Despite growing interest in emotions and EC research, little is known about the ways in which social interactions and different subject matter mediate ECs in preservice science teacher education classes. In this study we investigated the EC and associated classroom interactions in a preservice science teacher education class. We were interested in the ways in which salient classroom interactions were related to the EC during lessons centered on debates about science-based issues (e.g., nuclear energy alternatives). Participants used audience response technology to indicate their perceptions of the EC. Analysis of conversation for salient video clips and analysis of non-verbal conduct (acoustic parameters, body movements, and facial expressions) supplemented EC data. One key contribution that this study makes to preservice science teacher education is to identify the micro-processes of successful and unsuccessful class interactions that were associated with positive and neutral EC. The structure of these interactions can inform the practice of other science educators who wish to produce positive ECs in their classes. The study also extends and explicates the construct of intensity of EC. 相似文献