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511.
Jocelyn L.N. Wong 《Asia-Pacific Journal of Teacher Education》2012,40(4):347-361
Curriculum reforms with a focus on helping students ‘learn to learn’ are now an established global educational phenomenon. China has been implementing such curriculum reform and this poses challenges to teachers as they need to develop new pedagogical skills and knowledge to deal with new educational demands that arise. This ethnographic study investigates the impacts of current curriculum reform on teacher learning using two subject departments from two schools in Shanghai, China. It shows that teachers direct much attention towards searching for good practices and norms of practice to encounter new curriculum challenges. Findings show that outside experts who act as ‘boundary brokers’ are crucial in teacher learning. They also identify two modes of teacher learning activities: hierarchical, which relies on imported expert knowledge; and reciprocal, which depends on exploiting local knowledge. Striking a balance between these two approaches may be the way forward. 相似文献
512.
Angela F. L. Wong Sylvia Chong Doris Choy Kam Ming Lim 《Educational Research for Policy and Practice》2012,11(2):105-117
This study examined the levels of pedagogical knowledge and skills as perceived by student teachers who were enrolled in the Post Graduate Diploma in Education program at the National Institute of Education, Singapore, from the beginning of their initial teacher preparation program to the end of their first year of teaching. Their perceptions were assessed using the Pedagogical Knowledge and Skills in Teaching (PKST) survey which comprised six factors, namely, Student Learning, Lesson Planning, Instructional Support, Accomodating Diversity, Classroom Management, and Care and Concern. A sample of 812 student teachers participated in the study. The MANOVA conducted showed that there were significant increases in both their pedagogical knowledge and skills in teaching in all six factors from the start of their initial teacher preparation (ITP) program till the end of their first year of teaching. However, between the exit from the program to the end of the first year of teaching, they only perceived that their level of pedagogical knowledge in classroom management and care and concern continued to increase significantly. In the case of self-perceived skills, their level increased significantly between entry and exit of the program for all factors, except for care and concern, while the increase between the exit and first year of teaching was significant for all six factors. These results may have implications for preservice teacher education and this will be discussed in this article. 相似文献
513.
514.
研究了复合材料叠层板的初始缺陷和拉伸-弯曲耦合对于其振动、屈曲和非线性动力稳定性的影响,推导了控制方程,这是一个修正的非线性Mathieu方程,进行了5种典型复合材料的数值计算,它们是玻璃环氧Scotch-1002,芳纶环氧Kevlar-49,硼环氧B4/5505,石墨环氧T300/5208和AS/3501,结果表明,由于初始缺陷以及耦合效应的存在,使叠层板对于进入参数共振更加敏感,并且其振幅大于无初始缺陷或者无耦合效应的叠层板,对于不同材料的复合叠层板,尤其是层数较少的板,耦合效应是不相同的,在板结构的屈曲和动力稳定性设计中,如果忽略了耦合效应的影响,其不安全性将超过10%以上。 相似文献
515.
Agnes S.K. Wong Matthew Moreno Samantha Burns Earl Woodruff 《Journal of Research in Reading》2023,46(2):143-162