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INTRODUCTION Conventional materials have positive magnetic permeability and mostly positive electrical permittiv- ity. Veselago (1968) initially assumed a material with negative permittivity and permeability simultane- ously and theoretically demonstrated the abnormal electromagnetic properties. This material, referred to as left-handed material (LHM) or metamaterial, re- verses a basic feature of light, such as, the reversal of the Doppler shift for radiation, and negative refractive in… 相似文献
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活动目标 1.帮助幼儿理解、记住,并会使用一对反义词(straight and curly)。 2.通过全英文授课和形象的事物,训练幼儿的思维能力。 活动准备 在黑板上系上绳子、剪好的即时贴、活动室地上用即时贴做成公路。 活动过程 相似文献
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Aresomepeoplebornclever,andothersbornstupid?Orisintelli鄄gencedevelopedbyourenvironmentandourexperiences?Strangelye鄄nough,theanswertoboththesequestionsisyes.Tosomeextentourintelligenceisgivenusatbirth,andnoamountofspecialeducationcanmakeageniusoutofachildbornwithlowintelligence.Ontheotherhand,achildwholivesinaboringenvironmentwilldevelophisintelli鄄gencelessthanonewholivesinrichandvariedsurroundings.Thusthelimitsofaperson蒺sintelligencearefixedatbirth,butwhetherornothereachesthoselimitswilld… 相似文献
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Drawing upon a post-structural ethnography of boys’ constructions of gendered and sexual identities in one South African high school, this paper empirically seeks to theorise how 20 Grade 8 boys, identified as The Jokers, The Achievers, The Outcasts and The Average Ou's, simultaneously seek out spaces in male peer culture to cultivate, police and challenge hegemonic notions of masculinity. The paper illustrates the construction and positioning of masculinities across spaces of conflict, more particularly, the personal and social resources reproduced by boys in the pursuit of ‘desirable’ masculinities across experiences of interpersonal conflict, punishment, friendship and play. Given the nature of these identity struggles in school boy peer culture, this paper highlights the need for fostering and maintaining peer conversational spaces where boys and girls are challenged to actively deconstruct prevailing gendered identities and work towards more expansive definitions of self. 相似文献
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《池州师专学报》1995,(2)
Insights into learner errors vary greatly: Contrastive analysts hold the view that errors are faulty version of the target language and signs of learning failure and thus must be corrected; Corder regards learner errors as evidence of the learner's active learning and as the most important source of information about the nature of his knowledge; Dulay and Burl's research shows that learner errors are developmental ;Tarone notices that occurrence of learner errors changes in different situations according to different tasks; Krashen maintains that learner errors can be totally ignored for the simple reason that they will disappear at a certain stage.We suggest that error correction take into consideration the following factors: (l)source, (2)type, (S)acquisition order, (4) task type and context; and that error correction shouldn't (1)hinder communication, (2)discourage the learner,(3)put the learner on the defensive,(4)cause anxiety. 相似文献
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Dempster and Corkill present a persuasive case for the utility of the concepts of interference and inhibition in their review, Interference and Inhibition in Cognition and Behavior: Unifying Themes for Educational Psychology. We were especially attracted to their drawing attention to the role of inhibition in learning and to the argument that closer links of educational psychology to neuroscience are needed. At a general level of analysis, we agreed that the concepts of interference and inhibition can provide a unifying framework for describing phenomena in several areas of inquiry, but these concepts seemed to us to be less useful for understanding structured, meaningful learning in instructional domains. Overall, we viewed Dempster and Corkill's review as a creative effort that usefully redirects our attention to neglected basic learning processes. 相似文献
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Mark A. Pike 《British Journal of Religious Education》2019,41(3):352-360
This article examines the antecedents of the ‘British Values’ (democracy, rule of law, equality of opportunity, freedom of speech and the rights of all men and women to live free from persecution) which it is incumbent upon British schools to teach. But it also seeks to move the debate forward by pointing to the ‘British Virtues’ without which it is impossible to live by ‘British Values’. The argument advanced here is that the inculcation of virtues (moral habits and dispositions underpinning good character) as well as values (beliefs and ideals) is foundational in schooling for life in a liberal democracy. On the view that schools are both ‘by’ and ‘for’ society (being the products of the society they seek to serve) the article problematises attempts to conceive of schooling in general, and character education in particular, in exclusively post-Christian terms. Although increasingly secular, as British culture is not quite the palimpsest that easily permits a millennium of Christian social and legal ‘writing’ to be ‘over-written’, some of its central concepts are drawn upon in the recommendations made here for the curriculum and governance of schools. 相似文献
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Hanna Eklöf 《Assessment in Education: Principles, Policy & Practice》2010,17(4):345-356
An achievement test score can be viewed as a joint function of skill and will, of knowledge and motivation. However, when interpreting and using test scores, the ‘will’ part is not always acknowledged and scores are mostly interpreted and used as pure measures of student knowledge. This paper argues that students’ motivation to do their best on the assessment – their test‐taking motivation – is important to consider from an assessment validity perspective. This is true not least in assessment contexts where the assessment outcome has no consequences for the test‐taker. The paper further argues that the quality of assessment of test‐taking motivation also needs attention. Theoretical and methodological issues related to the assessment of test‐taking motivation are presented from a validity perspective, and findings from empirical studies on the relation between test stakes, test‐taking motivation and test performance are presented. 相似文献
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Michael Younger Molly Warrington Jacquetta Williams 《British Journal of Sociology of Education》1999,20(3):325-341
This paper examines the gender gap at GCSE in eight contrasting English secondary schools, and discusses the reality and rhetoric of classroom interactions, focusing on the views of teaching staff, the perspectives of Year 11 students, and observations of teacher-student interactions in the classroom. In an earlier paper (British Journal of Sociology of Education, 17 (3)), the authors examined the extent to which there was less positive teacher-support for the learning of boys than for the learning of girls, and this issue is reviewed in differing school contexts. Research in this broader context suggests that most teachers believe that they give equal treatment to girls and to boys, particularly in support of their learning, but focus group interviews with students and classroom observation suggest that this is rarely achieved; in most schools, boys appear to dominate certain classroom interactions, while girls participate more in teacher-student interactions which support learning. If the underachievement of some boys is to be addressed successfully, these patterns of interaction need to be challenged, to enable boys to begin to develop the very learning strategies which many girls employ effectively to enable them to learn. 相似文献
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Michal Al‐Yagon 《欧洲特需教育杂志》2013,28(4):371-391
The present study examined how vulnerability and protective factors at the individual level (child’s disabilities; patterns of attachment), and at the family level (fathers’/mothers’ affect), help explain differences in socioemotional and behavioural adjustment among children aged 8–12 years with comorbid learning disability (LD) and attention deficit hyperactivity disorder (ADHD) or with typical development. Participants were 118 father–mother–child triads: 59 couples and children with comorbid LD/ADHD and 59 couples with typically developing children. Preliminary analyses indicated significant group differences on all children’s measures and on fathers’ and mothers’ affect measures. As hypothesised, findings showed the contribution of parents’ positive and negative affect to children’s adjustment, with differences for fathers’ versus mothers’ affect. Discussion focuses on understanding the unique value of fathers’ and mothers’ affect on children’s well‐adjusted functioning. 相似文献
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Overview:(简述) We respond daily to situationsthat are accompanied with today’surbanized societies.Such topicsas population explosion,urbanization,and the preservationof environment are commonly con-cerned and debated.Knowledgeand experience influence the con-tent of our understanding to our liv-ing habitat.This lesson helps stu-dents use their perceptions of cit- 相似文献
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Camilla Leach 《History of education》2013,42(1):69-90
This article examines the work of two Quaker women, Priscilla Wakefield (1750–1832) and Maria Hack (1777–1844) as popularizers of science and in the context of the development of scientific literacy. Both women were writers who specialized in scientific educational texts for children and young adults. As Quakers their community and culture played a significant part in their understanding of, and approach to, the study of science. Hence this article will consider how and why Quakers encouraged scientific education for their children. It will also consider how Quakers, in their support for science, avoided the theological discord that was beginning to arise between religion and science in other Christian denominations. 相似文献
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Empirical studies suggest that research, by use of a systemic approach, should follow a set of procedures that are clearly described and then can be justified. However, it is worth noting that no approach is perfect, in particular, when it comes to the studies related to ethnographic studies. In view of this, this critique aims to reconsider empirical studies using brainstorming strategy to develop L2 learners’writing techniques. Firstly, this paper looks at the theoretical framework and the aims of these studies. Following this, this paper simultaneously summarizes and critiques these previous findings in terms of genres in writing, new assessment criteria, practicality in English pedagogy, data collection and analysis, findings and pedagogical implications. The final section presents the further inquiry in the language education context. This paper concludes that the brainstorming strategy in the teaching of writing can only be used in some genres, and both the product-oriented and process-oriented approaches should be applied to teaching writing. 相似文献
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Audrey Osler 《Cambridge Journal of Education》1998,28(1):77-96
Member states of the Council of Europe have acknowledged the importance of education for citizenship and have passed a number of resolutions concerning European citizenship and the need to promote democratic values, social justice and human rights. Yet there remains a degree of ambivalence over citizenship education and its relationship to the development of various identities, including personal and national identities. This paper examines the experiences of student teachers from a variety of European countries and the impact of a period of study abroad in another European country on their development of intercultural awareness, national identities and perceptions of how we might best educate young people for participation in democratic life. It considers the implications for teacher education. 相似文献
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《Journal of Vocational Education & Training》2012,64(1):35-49
Abstract Recently it has been proposed that the distinction between education and training is becoming obsolete. This paper disputes that conclusion, arguing that it is arrived at by failing to distinguish the Increasing sophistication of modern training, and the cognitive and social skills that tend to accompany this, from a broader, ‘liberal’ concept of education. This concept may find itself in an inconvenient tension with some of the requirements of the economy, the view previously stated, therefore, with its emphasis on consensus and identity of interest, is seen as being problematic in a context where the ‘goods’ of the citizen and of the worker may be radically divorced from one another. Alternative definitions of education and training are thus Identified and shown to generate correspondingly different analyses of the current situation, as well as alternative curricular proposals. 相似文献
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Rosemarye T. Taylor Lisa Karcinski 《Mentoring & Tutoring: Partnership in Learning》2016,24(3):213-227
The purpose of our study was to determine the extent to which differences in a mentor model for science and mathematics teachers accounted for variances in mentoring effectiveness and persistence rates of teachers. School district designee, mentor, and teacher perceptions of mentoring support were collected through the use of interviews and surveys and analyzed using the grounded theory approach and open coding. Findings revealed that teachers and mentors recommended that future mentor models provide strong support and more face-to-face meetings. The most common change mentors made was that they incorporated new strategies into their teaching. Findings offer insight for structuring mentor models to increase effectiveness and persistence of teachers and build the capacity of mentors. 相似文献