Classroom Community and Peer Culture in Kindergarten     

Martha Lash 《Early Childhood Education Journal》2008,36(1):33-38

This study reflects a naturalistic, interpretive 5-month study in a public school morning kindergarten regarding the children’s social development and creation of a peer culture during the transitional months into public education. The main focus of the research was the children’s perspectives on these transitions and their evolving classroom community and peer culture in response to the teacher, classroom and school environment. This study captures the dynamic and complex flow of activity that occurs in classrooms, the give and take of relationships, and the agency that children take in developing peer culture as one piece of community. Elements of the peer culture that are foregrounded include secondary adjustments as realized in clean-up strategies, protecting play materials over time, and hypothetical competition with the afternoon kindergarten class.  相似文献   

Interpersonal behaviour and student outcomes in vocational education classes     

David G. Henderson  Darrell L. Fisher 《Learning Environments Research》2008,11(1):19-29

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Education for the knowledge to teach mathematics: it all has to come together     

Peter Sullivan 《Journal of Mathematics Teacher Education》2008,11(6):431-433

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International Handbook of Higher Education     

Ute Lanzendorf 《Zeitschrift für Erziehungswissenschaft》2008,11(4):666-670

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Following Young Students’ Understanding of Three Phenomena in which Transformations of Matter Occur     

Lena Löfgren  Gustav Helldén 《International Journal of Science and Mathematics Education》2008,6(3):481-504

In order to develop successful teaching approaches to transformations of matter, we need to know more about how young students develop an understanding of these processes. In this longitudinal study, we followed 25 students from 7 to 13 years of age in their reasoning about transformations of matter. The questions addressed included how the students’ understanding of transformations of matter changed and how we can make sense of individual learning pathways. In interviews performed once or twice every year the students described and explained three situations: fading leaves left on the ground, a burning candle, and a glass of water covered with a glass plate on which some mist had formed. When analysing the interviews, we found a common pathway of how the students’ ideas changed over the years in each one of the situations. When analysing individual student’s interviews with Ausubel’s assimilation theory we could discern subordinate, superordinate and combinatorial learning. How these findings can contribute to an improvement of teaching about transformations of matter is discussed.  相似文献   

Editorial: Globalization and educational challenges of tertiary,vocational and community sectors in the Asia-Pacific     

Oon Seng Tan 《Educational Research for Policy and Practice》2008,7(2):71-72

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A study on the effects of education welfare action zone policy in Korea     

Hae-young Lee 《Educational Research for Policy and Practice》2008,7(1):35-45

This study was designed to analyze the effects of the support programs provided in education welfare action zones. Education welfare action zone policy came into effect by government from 2003 to guarantee actual educational opportunity to disadvantaged children in urban areas by providing educational, cultural, and welfare service. Education welfare action zones were selected in low-income group area in the metropolis. In this regard, both quantitative and qualitative analytical methods were used to ascertain the effects of the program. The qualitative analysis included a preliminary examination of conditions prior to the actual commencement of the program, which was then followed by an investigation of specific schools used, as case studies in order to identify the changes that had taken place during the program’s implementation process, and the program’s effect. Meanwhile, a quantitative analysis was employed to verify the actual changes that took place in several different aspects, changes that were revealed by the case studies.  相似文献   

Differentials in Mathematics Achievement among Eighth-Grade Students in Malaysia     

Noor Azina Ismail  Halimah Awang 《International Journal of Science and Mathematics Education》2008,6(3):559-571

This paper examines differences in mathematics achievement among eighth-grade students using a secondary analysis of the data. The students, who are from Malaysia, had participated in the Trend International Mathematics and Science Study (TIMSS) 1999. A series of school, home, demographic and socio-economic variables were used to investigate the differences in the mean student mathematics scores. Evidence from the data shows that gender, the language spoken at home, expected educational level, family background, and home educational resources and aids have a significant influence on the students’ level of mathematics achievement.  相似文献   

Research in non-equalization machining method for spatial cam   总被引：1，自引：0，他引：1  

Jun-hua Chen  Yi-jie Wu 《浙江大学学报(A卷英文版)》2008,9(9):1258-1263

Many kinds of devices with cam have been widely used in various mechanical equipments. However, non-equalization machining for spatial cam trough remains to be a difficult problem. This paper focuses on the analysis of running conditions and machining processes of spatial cam with oscillating follower. We point out the common errors in the biased distance cutting. By analyzing the motion of oscillating follower of spatial cam, we present a new 3D curve expansion model of spatial cam trough-outline. Based on this model, we have proposed a machining method for trochoidal milling with non-equalization diameter cutter. This new method has led to a creative and effective way for non-equalization diameter machining for spatial cam with oscillating follower.  相似文献   

Input-output approach to robust stability and stabilization for uncertain singular systems with time-varying discrete and distributed delays   总被引：3，自引：0，他引：3  

Hui-jiao Wang  An-ke Xue  Yun-fei Guo  Ren-quan Lu 《浙江大学学报(A卷英文版)》2008,9(4):546-551

Based on input-output approach, the robust stability and stabilization problems for uncertain singular systemswith time-varying delays are investigated. The parameter uncertainties are assumed to be norm-bounded and the time-varying delays include both discrete delay and distributed delay. By introducing a new input-output model, the time-delay system is embedded in a family of systems with a forward system without time delay and a dynamical feedback uncertainty. A sufficient and necessary condition, which guarantees the system regular, impulse-free and stable for all admissible uncertainties, is obtained. Based on the strict linear matrix inequality, the desired robust state feedback controller is also obtained. Finally, a numerical example is provided to demonstrate the application of the proposed method.  相似文献