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The authors consider the use of mobile learning environment ActionTrack in teacher education. Pre-service class teachers’ (N = 277) experiences of the mobile learning environment were measured with a 7-point Likert-scale questionnaire based on seven attributes of meaningful learning. Students’ ratings for different attributes were analysed quantitatively. The authors conclude that, based on this analysis, it is possible to create meaningful learning experiences using ActionTrack. All the measured attributes of meaningful learning obtained positive values. In the mobile learning events of this study, three attributes arose as the essential features: mobile learning in the outdoors was primarily considered collaborative, active and contextual.  相似文献   
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The present study investigates the effects that concreteness fading has on learning and transfer across three grade levels (4–6) in elementary school science education in comparison to learning with constantly concrete representations. 127 9- to 12-years-old elementary school students studied electric circuits in a computer-based simulation environment, where circuits remained concrete (bulbs) throughout the learning or faded from concrete to abstract (bulbs to resistors). The most important finding was that the outcomes seemed to be influenced by a developmental factor: the study found a significant interaction between condition and grade level in relation to learning outcomes, suggesting that the outcomes generally improved as a function of grade level, but that there were notable differences between the conditions regarding the improvement of outcomes across the three grades. According the results, learning with constantly concrete representations either took less time or resulted in better learning compared to concreteness fading. Because transfer is one of the central arguments for concreteness fading, a somewhat surprising finding was that the concrete condition succeeded at least as well as the fading condition on transfer tasks. The study also discusses why the results and issues related to the conceptualisation and operationalisation of central concepts in the study call for caution towards generalization and for more research with young learners across different grades.  相似文献   
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This case study reports the results of a 12-year (2005–2016) follow-up study of two Olympic champion rowers. The rowers were prospective athletes at the junior level when the study began, and we monitored their relevant physiological and performance data annually. Our findings indicated that their V?O2max gradually increased up to about 22 years of age and leveled off at a value of approximately 7 l·min?1 with minimal fluctuations thereafter. However, the variables that directly influence the V?O2max changed. There was an age-related decline in maximal heart rate of about 0.5 beats·year?1, while oxygen pulse, which serves as an indirect measure of stroke volume, correspondingly increased by about 1 ml O2·beat?1 per year, allowing the athletes to maintain exceptional V?O2max values. Maximal minute power of the studied rowers, derived each year from their ramp-wise tests, closely resembled the mean power output sustained during the 2000-m all-out tests on a rowing ergometer. A 12-year improvement of 28% and 33% occurred for the mean power output sustained over 2000 and 6000-m on a rowing ergometer, respectively. The findings contribute to the body of knowledge on athletes representing the true elites of their respective sports.  相似文献   
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This paper extends the existing research on the interplay of positive and negative feedback dynamics in the competition for business system dominance. By building on an analysis of the digital television launch in the United Kingdom, we find that the expectation of network externalities intensifies competition causing strong negative feedback effects to emerge. Actions aimed at improving one's position are systematically imitated and pre-emptied. Pressure builds up in the business system, and only when the weakest firms exit, the positive feedback effects are unleashed in their full magnitude. Our findings contribute to an improved understanding of institutional dynamics in new technology introduction.  相似文献   
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The aim of this study was to explore the variation of general subjective well-being on individual and school levels. The classroom survey data of the School Health Promotion Survey (SHPS) were gathered in 1998 (N = 39 886) and in 1999 (N = 47 455) in different parts of Finland. The subjects were 8th and 9th graders from 458 secondary schools. Well-being was measured using the General Subjective Well-being Indicator (GSWI). The variation was studied using linear multilevel modeling. One percent of the variation in GSW occurred at the school level. The great majority of subjective well-being variation occurred between pupils.  相似文献   
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This study investigated changes in elementary school students’ (n = 140) situational interest as a function of achievement goal orientation profiles and task characteristics. The authors repeatedly measured situational interest during a simulated science learning task in 2 task conditions that differed in the concreteness of the task elements. The authors identified 3 groups of students with different goal orientation profiles: success-, mastery-, and avoidance-oriented. Results of repeated-measures analysis of covariance showed that students with different profiles displayed different patterns of changes in situational interest in the 2 task conditions. The results confirmed the importance of acknowledging the interaction of student and task characteristics in the arousal and maintenance of situational interest across a learning task.  相似文献   
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The main problems of educational reform in post-communist countries are identified, by use of an interactive model of education and developmental dimensions of society. The relation of implicit and explicit educational goals and characteristics of a society is reviewed, and a typology of the relations between political and economic state regulation on the one side, and the structure of educational goals on the other is suggested. It is established that the so-calledsocialist pedagogy decreases the transparency of educational goals and obstructs a systematic analysis of education. The role of education in the transition policy of post-communist countries in discussed, with a special emphasis on economic and political reforms, and ideological changes. It is concluded that the Europeanization of education in Eastern European countries will be impeded because of the stalemate in the transformation of ownership and political modernization, as well as ideological conservatism. The educational effects of European cooperation in the economic recovery of the East are to be expected in the areas of standardization and unification of education, while the effects in the internalization of modern values and attitudes are expected to be much less prominent.
Zusammenfassung Die Hauptprobleme der Bildungsreform in post-kommunistischen Ländern werden mit Hilfe eines interaktiven Modells über die Ausmaße der gesellschaftlichen Bildung und Entwicklung ermittelt. Die Beziehung zwischen hintergründigen und vordergründigen Bildungszielen und den Charakteristika einer Gesellschaft wird dargelegt. Der Autor befürwortet eine Typologie der Beziehungen zwischen politischen und wirtschaftlichen Regelungen durch den Staat einerseits und der Struktur von Zielen im Bildungsbereich andererseits. Er stellt fest, daß die sogenanntesozialistische Pädagogik die Transparenz erzieherischer Ziele mindert und eine systematische Analyse der Bildung behindert. Die Rolle der Bildung in der Übergangspolitik post-kommunistischer Länder wird unter besonderer Beachtung der wirtschaftlichen und politischen Reformen und der ideologischen Veränderungen erörtert. Es wird gefolgert, daß die Europäisierung der Bildung in den osteuropäischen Ländern durch Stillstand der Privatisierungsmaßnahmen und der politischen Erneuerung und durch ideologischen Konservatismus behindert wird. Für das Erziehungswesen sind die Auswirkungen der europäischen Zusammenarbeit beim Wiederaufbau der Wirtschaft im Osten in den Bereichen Standardisierung und Vereinheitlichung der Bildung zu erwarten, während der Einfluß bezüglich der Aufnahme moderner Wertvorstellungen und Haltung als viel geringer angesehen wird.

Résumé Les problèmes majeurs de la réforme éducative dans les pays postcommunistes sont identifés en faisant appel à un modèle interactif fondé sur l'éducation et les dimensions développementales de la société. On examine la relation entre les objectifs éducatifs implicites et explicites et les caractéristiques d'une société. On suggère une typologie des relations entre le fonctionnement politique et économique de l'Etat d'une part, et la structure des buts de l'éducation d'autre part. Il est établi que la pédagogie ditesocialiste réduit la transparence des buts éducatifs et empêche leur analyse systématique. On analyse le rôle de l'éducation dans la politique de transition des pays postcommunistes en mettant en relief les réformes économiques et politiques et les changements idéologiques. On conclut que l'européanisation de l'éducation dans les pays de l'Est sera retardée par la situation de point mort à laquelle sont arrivées la transformation de la propriété et la modernisation politique, ainsi que par le conservatisme idéologique. Les effets en matière d'éducation de la coopération européenne sur le redressement économique des pays de l'Est se feront sentir dans les domaines de la standardisation et de l'unification de l'éducation, tandis que ceux produits par l'assimilation de valeurs et attitudes modernes seront vraisemblablement beaucoup moins importants.
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