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This study concerns students’ ideas about the superposition of electric fields. Two paper‐and‐pencil questionnaires were given to university students to investigate possible obstacles to a correct use of this principle.

The results confirm an expected difficulty about Gauss's theorem, i.e., the idea that only ‘internal’ charges create a field on a given closed surface. Another more surprising finding is that students are reluctant to admit that a field can penetrate into, or go out of, an insulator, particularly because ‘charges cannot move’.

These first findings are discussed in connection with common features of students’ reasoning about mechanics and about multivariable problems. Some directions of future research are proposed.  相似文献   

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The University of Hong Kong (HKU), following its establishment in 1911, has assumed the mission of bridging British and Chinese cultures, to prepare European and Chinese elite youth for political and other professional careers, and thus to improve Britain’s cultural influence in competition with other western powers with regard to China. Dominated by its colonial character and pragmatic orientation, Chinese education at HKU was confined to no more than a supplementary subject at the initial stage. However, colonial crisis and cultural changes in the 1920s and 1930s, together with the endeavours of local cultural and commercial elites, made advanced Chinese education at HKU necessary and possible, and led to an independent unit for Chinese education and Chinese studies being established and strengthened. Organisational and curricular reforms before the outbreak of the Pacific War in 1941 led to further modernisation and solidified the structure of Chinese education at this university, laying the essential foundation for its post-war recovery and development. The evolution of Chinese education at HKU demonstrated well the subtle entanglements of education, culture and politics in a colonial context, through which coexistence and tensions between tradition and modernity, between China and the West, and between the imperial and republican intellectuals were also vividly revealed.  相似文献   

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In response to global climate change, loss of biodiversity, and the immense human impact on the carrying capacity of the earth systems, attention has been given to sustainable development worldwide. In this paper, we explore the emerging field of sustainability science within the context of the socio‐cultural milieu of Malawi, a sub‐Saharan African country. Through interviews in vernacular languages and observations in the field, our research explores how traditional agriculture practices of African elders may contribute to the sustainability of the environment and culture in Africa. Findings indicate that traditional farmers and food preservationists choose to practice indigenous ways of living with nature to live sustainably in a globalized economy. Further discussion elucidates how merging worldviews and hybridized knowledge and languages can be leveraged to create a third space for dialogue and curriculum development by connecting indigenous ways of living with Eurocentric science.  相似文献   

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The Open University has been working with the University of Fort Hare on its Distance Education Project since 1997, helping to develop its innovative distance education programme for primary teachers in the Eastern Cape. Recently the OU has been involved in researching the impact of this programme on teachers’ perceptions of their practice and their classroom practice. This case study explores the context in which the programme was developed, the philosophy that underpinned its development, its structure, materials and the role played by the Open University. Using preliminary findings of teacher‐learner perceptions of the programme, the case study examines the effectiveness of the teacher support and their responses to the programme. Initial findings from questionnaires and semi‐structured interviews highlight the cohesive and holistic impact of the programme. The focus on context and culture in developing the programme is seen as significant by all teacher‐learners in challenging and motivating different ways of thinking about their teaching, learning and their practice.  相似文献   

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The allocation of resources within an institution should be consistent with other elements in the planning process. This paper describes and discusses the existing and proposed resource allocation processes of the Australian National University. The discussion is set against the background of a model for institutional planning.  相似文献   

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In this essay, I argue that Roy Bhaskar's philosophy of meta‐Reality creates the middle way to theorize emancipation in critical science education: between empiricism and idealism on the one hand, and naïve realism and relativism, on the other hand. This theorization offers possibilities to transcend the usual dichotomies and dualisms that are often perpetuated in some feminist and multiculturalist accounts of critical science education. Further, meta‐Reality suggests a radically new way to re‐visit the suspect notion of emancipation. The implications for critical science education are discussed.  相似文献   

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Teaching assessment at higher education level is required in order to improve the quality of teaching in universities. As both teaching staff and students are equally involved in the teaching/learning process, the views of both must be taken into account when determining the quality of teaching. Basically, a self‐evaluation process has two aspects. On the one hand, there is the source of information, the teacher in this particular case. He or she has the opportunity to reflect upon the actual teaching situation by evoking his or her own point of view in regard to his or her vision of reality even if it might be judged as a complementary view as opposed to other views. On the other hand, the objective of the process might be one either of providing a means of checking (process evaluation) or of improving (result evaluation). A detailed analysis of the two characteristics will enable us to appreciate properly their inter‐connectedness. This analysis, as well as the prior experience of the authors in the domain of teaching assessment within their university, enables them to present a model of self‐evaluation applicable to the context in which they are working.  相似文献   

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In answer to economic needs and social demands, a structural innovation was introduced in secondary education in most West European countries, mainly in the 1960s. Contrary to the traditional schools, organized in vertical categories, the so‐called comprehensive schools brought together all branches in one school. There was protest against this type of school from the start but it was mainly in the 1980s and 1990s that comprehensive schools came under siege. In most countries the comprehensive structures have been abandoned or adjusted to a more moderate form.

This paper tries to explain the factors that stimulated innovation in the 1960s, and those that counteracted comprehensive education. As will be shown, these factors were not always related to ideological positions. In fact, the reasons for local educational authorities to “go comprehensive” (or not) were often practically rather than ideologically inspired. Theories of “dominant rationality” by Matthijssen and the “referential” by Jobert succeed in surpassing ideological parameters, and can be interesting tools to explain changing mentalities. However, a satisfying explanation for the history of comprehensive education cannot be offered without paying attention to everyday pragmatics, that – in the author's view – have been decisive for the evolution of comprehensive education.

The paper will be illustrated with examples from the Belgian case. Comprehensive schools were introduced in Belgium in 1969. All state public schools went comprehensive in the 1970s, and the number of comprehensive private schools grew rapidly until growth ceased around 1980. The ongoing struggle between Catholic comprehensive and traditional schools led to a compromise created by the Catholic educational authorities, a fusion of comprehensive and traditional elements. This structure was imposed by the Flemish government as a unitary structure for all secondary schools in the Dutch‐speaking part of Belgium in 1989.  相似文献   

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The ‘learning society’ expresses principles of a universal humanity and a promise of progress that seem to transcend the nation. The paper indicates how this society is governed in the name of a cosmopolitan ideal that despite its universal pretensions embodies particular inclusions and exclusions. These occur through inscribing distinctions and differentiations between the characteristics of those who embody a cosmopolitan reason that brings social progress and personal fulfilment and those who do not embody the cosmopolitan principles of civility and normalcy. Mapping the circulation of the notion of the ‘learning society’ in arenas of Swedish health and criminal justice, and Swedish and US school reforms is to examine the mode of life of the citizen of this society, the learner, as an ‘unfinished cosmopolitanism’ and also directs attention to its ‘other(s)’—those that are outside.  相似文献   

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A growing body of research argues that teachers’ beliefs and practices should be studied within the sociocultural contexts of their work because the relationship between their beliefs and practices is both complex and context-dependent. There is a need for further research in this area in understudied contexts such as developing countries, in order to promote effective education in schools and the professional development of teachers. This paper argues that if this ‘black box’ of sociocultural contexts in which science teachers are embedded is better understood, it may be possible to identify specific aspects of these contexts related to educational organizations that act as either supports or barriers to pedagogical reform or to implementing innovations in science education. Consequently, the main purpose of this study is to explore the sociocultural contexts of ten Egyptian science teachers and to what extent these sociocultural contexts help in understanding teachers’ pedagogical beliefs and practices. This paper, by utilizing a multi-grounded theory approach and qualitative methods, reveals a variety of sociocultural contexts that are related to teachers’ pedagogical beliefs and practices.  相似文献   

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