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排序方式: 共有102条查询结果,搜索用时 31 毫秒
91.
Abstract

This article reports on a project which involved enabling teachers in Hong Kong primary schools to use an online integrated learning environment (ILE) to design lesson plans to cater for students with different learning abilities. Teachers explored ways of using technology to enhance student learning. A case-study approach was used to collect data on individual teacher developments and document evolving classroom teaching strategies. The findings revealed that when using the ILE teachers were able to: 1. effectively design and create lessons which catered for different ability groups within the class; 2. employ varied teaching strategies to cater for different learning needs of students in the class; 3. shift from more traditional pedagogical approaches to embracing learner-centred principles which achieve a higher degree of classroom interaction; and 4. collaborate with others, discuss their feelings more honestly, evaluate and reflect on their own practice.  相似文献   
92.
As a subject concerned with the study of human activities in relation to the physical environment, geography should have a strong appeal to young people. Yet in many instances the subject evokes little interest and has even to justify its place in the curriculum. It is regrettable but true that in many of our schools geography is still largely taught as a compendium of facts about the world. Although more enlightened approaches are available, many teachers still cling to the traditional method for putting the subject across and emphasize learning of facts rather than understanding of principles. How can teachers avoid burdening the minds of children with mere factual information and make Geography more realistic, meaningful and intellectually challenging?  相似文献   
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Reading and Writing - As readers struggle to coordinate various reading- and language-related skills during oral reading fluency (ORF), miscues can emerge, especially when processing complex texts....  相似文献   
94.
Delivery of sexuality education to secondary school students in Malaysia started since 1989. However, this area of education was neglected for secondary students with learning disabilities. Therefore, in order to explore their needs for sexuality education, society's perceptions especially teachers’ towards this matter should be considered. To achieve this objective, it is important to conduct a needs analysis on teachers’ perceptions towards this topic. An instrument with good psychometric properties is needed to obtain consistent and reliable information. This paper describes the development and psychometric testing of the Sexuality Education Survey for Teachers of Secondary School Students with Learning Disabilities (SES). SES showed acceptable content validity, construct validity, and achieved satisfactory reliability. The instrument also has good stability (intraclass correlation coefficient = 0.95) to be adopted as an instrument for analysing the health and sexuality education needs of secondary students with learning disabilities in Malaysia.  相似文献   
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The paper draws on the underpinnings of SERVQUAL (a Service Quality measurement model) and explores three key aspects of service standards as adopted by an Engineering School in Singapore: customer orientation, course design/delivery and support services. Qualitative methodology was employed and data were collected by means of structured in-depth interviewing with 24 respondents. Findings reveal that the way students are perceived, whether as customers or products, has a direct influence on the type of learning dynamics developed both inside and outside the classroom. Service quality needs to be evaluated on the basis of an integrated experience within a network of learning spaces created to promote dialogue, inquiry and reflection. By looking at the correlations of two sets of findings measuring gaps and perceived performance from a foreign study, a number of attributes were uncovered, illuminating our conceptual framework. It reveals another dimension of SERVQUAL such that the internal gaps would be made more explicit through the lenses of performance-based measures.  相似文献   
96.
Biomolecular separation is crucial for downstream analysis. Separation technique mainly relies on centrifugal sedimentation. However, minuscule sample volume separation and extraction is difficult with conventional centrifuge. Furthermore, conventional centrifuge requires density gradient centrifugation which is laborious and time-consuming. To overcome this challenge, we present a novel size-selective bioparticles separation microfluidic chip on a swinging bucket minifuge. Size separation is achieved using passive pressure driven centrifugal fluid flows coupled with centrifugal force acting on the particles within the microfluidic chip. By adopting centrifugal microfluidics on a swinging bucket rotor, we achieved over 95% efficiency in separating mixed 20 μm and 2 μm colloidal dispersions from its liquid medium. Furthermore, by manipulating the hydrodynamic resistance, we performed size separation of mixed microbeads, achieving size efficiency of up to 90%. To further validate our device utility, we loaded spiked whole blood with MCF-7 cells into our microfluidic device and subjected it to centrifugal force for a mere duration of 10 s, thereby achieving a separation efficiency of over 75%. Overall, our centrifugal microfluidic device enables extremely rapid and label-free enrichment of different sized cells and particles with high efficiency.  相似文献   
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吴小玲  杨丹 《科技通报》1992,8(1):30-36
本文借助于室内和原位测试方法,以福建泉州花岗岩残积土为例,研究了残积土的基本工程地质特性、微观结构特性、动剪切模量、动应力-应变关系和时间效应,并将其与粘土及砂土进行比较.从大量的共振柱试验和动三轴试验,得到该土饱和及非饱和时的动力参数,非饱和效应,动应力-应变关系以及时间效应的变化规律,并用原位SASW(表面波颇谱分析)法验证了动力参数G_0的可靠性.  相似文献   
100.
Research in Science Education - This study focuses on the relationship between students’ use of language resources and their conceptualisation of phenomena in producing scientific...  相似文献   
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