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91.
The moulding of the future of a nation depends on the teachers and the education they provide in schools. Research evidence from the US. National Assessment of Educational Progress (NAEP) confirms this to be the case. Quantitative analysis of data indicates that measures associated with pre-service teacher preparation are by far the strongest correlates of student achievement (Darling-Hammond 2000). The research report of Wilson, Floden, and Ferrini-Mundy (2001) also suggests a strong relationship between teacher preparation and teacher effectiveness. Other research studies similarly indicate that differences in teacher quality are the most crucial for student achievement when compared with variables such as class size, streaming, or the amount of homework (Anderson & Helms 2001; Mendro 1998; Powell & Anderson 2002; Rivkin, Hanushek & Kain 2001; Saunders & Horn 1994; Strong & Tucker 2000) as possible contributory factors. In the pursuit of improved student achievement, we therefore need to examine seriously the role of teacher variables, ranging from teacher qualifications and their subject matter knowledge, to what motivates them to take up teaching as a career and as a consequence, how they teach in classrooms.  相似文献   
92.
摘要:研究目的:直板横打技术为日渐衰弱的直板打法注入了新的活力,对王皓直板横打及战术体系的全过程进行梳理和挖掘,旨在为竞技乒乓球直板选手的训练、比赛提供客观的借鉴和思考。研究方法:文献资料法、专家访谈法和个案研究法对王皓直板横打的训练过程进行分析、研究。研究结论:只有技术不断创新,才能保持在世界乒坛的领先地位;创新需要教练员、运动员和科研人员的团队合作;教练员在技术创新中起着主动作用。技术打法无定式,教练员在决策运动员的技术风格时,要遵循运动员的个人特点。  相似文献   
93.
作为新型的凝胶材料,超分子凝胶的制备受到越来越多的关注.基于超分子自组装的方法,制备了响应性超分子凝胶、氢键组装超分子凝胶、有机无机杂化超分子凝胶、主客体超分子凝胶等凝胶材料.文章主要综述了这几种超分子凝胶的制备策略,并对其进一步研究进行了展望.  相似文献   
94.
美国教师教育面临的诸多问题既为教师培养方案改革带来了新的挑战,也创造了新的机遇。美国教育部最新发布的《我们的未来,我们的教师:奥巴马政府教师教育改革与提高计划》,旨在通过建立制度报告与各州问责、总统教学激励以及少数民族服务机构的目标性投资,来遴选、培养、补充、支持、留任、发展教师,以将教师的资质提升到与教学这一伟大专业相匹配的水平和高度。  相似文献   
95.
This paper reports on a longitudinal study that examines how a national reform introduced in England in the field of adult literacy, language, and numeracy is affecting teachers. The paper focuses on the use of a mixed methodology to explore teachers' attitudes to the reform and how these change over time. The quantitative strand includes the construction and use of a Likert-type instrument for measuring the attitudes of a panel of 1,500 teachers. The qualitative strand builds on the quantitative results and includes focus groups and in-depth interviews with a subsample of teachers in the panel. As the study is still in its initial phase, the purpose is not to present findings, but to discuss how quantitative and qualitative evidence can be combined in evaluation research.  相似文献   
96.
金纳米粒子(AuNPs),其直径在1100 nm范围内,具有很好的稳定性、灵敏的光学特性、易进行表面修饰以及良好的生物相容性.本文重点介绍了AuNPs的制备发展过程、制备方法、形貌和应用前景.  相似文献   
97.
Current research indicates that new teachers want to be involved in school‐level decision‐making. Upon entering the profession, many novice teachers are surprised and disillusioned to find they have considerably less involvement and influence than expected. Based on strategies that have been developed, revised, and refined over a number of years in two teacher preparation programs in the eastern US, the current discussion proposes that teacher preparation programs incorporate training in school‐based management as a means to better prepare new teachers for the political realities of the profession. Intended for teacher educators, this paper describes how the research component common to most teacher education programs can be used as a venue to train teacher candidates in school‐based management.  相似文献   
98.
分别采用佛尔哈德返滴定法和间接碘量法测定了由废液制得硫氰酸亚铜产品中硫氰酸根和总铜的含量。硫氰酸根的待测试液由样品与NaOH溶液通过加热反应制备;测定总铜的试液分别采用硫酸—硝酸和过氧化氢—硝酸与样品反应制备,实验结果表明,用两种方法制备铜试液所测得的总铜含量无差异。所提出的用过氧化氢—硝酸制备总铜试液的方法较硫酸—硝酸制备方法具有方便、快捷的优点。  相似文献   
99.
100.
The ability to differentiate classroom behaviour management (CBM) strategies is an important skill for novice teachers in increasingly diverse classrooms. Worldwide, little is known about the curriculum content offered to pre-service teachers in the area of CBM. This article reports the findings from the first nationwide survey of Australian primary pre-service teacher educators coordinating units and programmes with CBM content. Twenty-five Australian tertiary institutions with primary programmes participated, providing information on 102 of the 118 units with CBM content. Stand-alone units were offered in 68% of programmes and embedded in 96% of programmes. Unit coordinators included a mean of 8.3 approaches/models per unit. They commonly included applied behaviour analysis, decisive discipline, positive behaviour intervention and support, and choice theory/reality therapy, among the 36 approaches/models listed. More than half (57.9%) of the stand-alone units and only 20% of embedded units were coordinated by an academic with a stated CBM research interests. Units coordinated by an academic with CBM research interests contained more hours/model and included research-based models more often than those without CBM research interests, although they still included non-research-based models.  相似文献   
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