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41.
42.
A task involving simple mathematics, yet complex in its call for the generation of multiple solution methods, was administered to about 150 U.S. students, most of whom were in fourth grade. Written responses were examined for correctness, evidence of strategy use and mode of explanation. Results for the U.S. sample were also compared to those obtained from about 200 Japanese fourth-grade students. Students in both countries (a) produced multiple solutions and explanations of their solutions, (b) exhibited almost identical patterns and frequency of strategy use across response occasions, and (c) used the same kinds of explanations, with a majority of the responses involving solution explanations that combined both visual and verbal/symbolic features. Nevertheless, Japanese students tended to produce explanations involving more sophisticated mathematical ideas (multiplication rather than addition) and formalisms (mathematical expressions rather than verbal explanations) than did U.S. students.  相似文献   
43.
Has the quality movement in universities become so sophisticated that it has outpaced the capacity of academic leaders to respond? The authors of this paper argue that this has been their experience within the context of New Zealand universities. In response, the University of Otago has developed an innovative programme to provide academic and administrative leaders with an opportunity to enhance those skills and attributes needed to meet the challenges of change arising from audit and other reforms.  相似文献   
44.
Vocabulary knowledge was tested in a native (Cantonese-Chinese) and foreign (English) language in 150 twins and 150 singletons aged 6–11 years, matched on age, gender, grade level, nonverbal intelligence, parents’ education, family income, and number of siblings and household members. The singletons clearly outperformed the twins on the native vocabulary, but this “twinning effect” was much less noticeable for the foreign vocabulary. The effect on English vocabulary was further reduced after exposure to English at home was controlled. Given that these participants learned most of their English in school rather than home, the present findings support the notion that the twinning effect is associated with increased competition for family interaction in twins compared with singletons.  相似文献   
45.
Previous Possessions, New Obligations was launched by Museums Australia Inc. in 1993, the International Year for the World's Indigenous People, as a policy framework to guide the development of relationships between museums in Australia and Indigenous Australians. The policy was based on consultation with Indigenous people to develop protocols, policies and procedures for more sensitive collection management and for including Indigenous people in research and public programs; and to address issues of governance. It expressed the values that would underpin new relationships between museums in Australia and Indigenous Australians. An evaluation of the policy was conducted in 2000 in a collaboration between the Australian Museum Audience Research Centre, Sydney, and Museums Australia Inc., Canberra. The evaluation found that the policy had substantially met its goals, particularly in establishing the primary rights of Indigenous people to control their cultural material in museum collections. However, a range of substantially new issues emerged which require new policy responses and initiatives.  相似文献   
46.
A method for monitoring the biological exocytotic phenomena on a microfluidic system was proposed. A microfluidic device coupled with functionalities of fluorescence imaging and amperometric detection has been developed to enable the real-time monitoring of the exocytotic events. Exocytotic release of single SH-SY5Y neuroblastoma cells was studied. By staining the cells located on integrated microelectrodes with naphthalene-2,3-dicarboxaldehyde, punctuate fluorescence consistent with localization of neurotransmitters stored in vesicles was obtained. The stimulated exocytotic release was successfully observed at the surface of SH-SY5Y cells without refitting the commercial inverted fluorescence microscope. Spatially and temporally resolved exocytotic events from single cells on a microfluidic device were visualized in real time using fluorescence microscopy and were amperometrically recorded by the electrochemical system simultaneously. This coupled technique is simple and is hoped to provide new insights into the mechanisms responsible for the kinetics of exocytosis.  相似文献   
47.
The present research examined the relationships between two social axiom dimensions, reward for application and fate control, with various achievement-related indexes across a wide range of cultures. Results showed that there was no relationship between reward for application and academic achievement or economic competitiveness, but reward for application was positively related to effort exertion and favorable attitudinal reactions to striving. In contrast, fate control was positively related to academic achievement and economic competitiveness, but not to effort exertion and attitudes toward striving. A number of speculations are provided to account for these intriguing findings.  相似文献   
48.
This study investigates the experience of teaching of 19 teachers who are teaching on university courses involving face-to-face and on-line learning. The teachers are asked about how they think about learning technologies and how they approach the design and teaching of their courses across these two contexts. Results show that there are qualitatively different ways of thinking about learning technologies that relate logically and positively to qualitatively different ways of designing and teaching using learning technologies. The results have implications for teachers and those interested in maximising the likelihood of learning for university students when teachers teach with learning technologies.  相似文献   
49.
基于支持全英开放教育资源项目(英国开放教育资源项目,简称UKOER项目)的经验,本文将探讨该项目开展过程中所涌现出的各种不同的开放教育资源描述方法,及其对资源共享、工作流程计划、资源聚集观的影响.由于UKOUER项目包括个人层面的项目、学科层面的项目和院校层面的项目,而这三种类型的项目又有各自不同的特点,显然难以用一种技术或者描述性的解决方案来适合所有的项目.因此,目前这些项目只提供有限的描述性信息,包括项目标签、作者、题目、日期、链接地址、文件格式、文件大小、权限,以及一些附加信息,包括语言、学科分类、关键词、标签、评论和描述.所有项目可以自由选择编码、存储和分享上述信息的方法.本文通过大量的例证介绍了项目的描述方法,其中还包括工作流程和所作出的尝试.我们将考虑所选择的工具(资源库、Web2.0应用、虚拟学习环境)与标准选择的关系,以及本地需求和更广泛社区需求之间的关系.我们会考虑这些选择对资源传播和发现的影响,例如,资源描述对大量开放教育资源的发现服务的影响.  相似文献   
50.
The objectives of this study were twofold: to examine the interaction of academic stress and student resourcefulness on subject grades and to identify the factors of parental support that contribute to student resourcefulness. The participants of this cross‐sectional study were 695 fifth and sixth graders from four major districts in Shanghai. Student resourcefulness was observed to moderate academic stress and subject grades. Moreover, perceived paternal emotional support and maternal informational support contributed significantly to student resourcefulness. The implications of this study for parent education are discussed.  相似文献   
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