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Go¨ran Linde 《Educational studies》2003,29(4):323-335
Sri Lanka is a nearly industrialized country (NIC country) in transition from a tradition-bound agrarian and cheap labour economy into the era of building a knowledge-based economy. The school system reflects a traditional society, especially in its features of an examination driven system. The question posed for the paper is what meaning the examination driven system has particularly in Sri Lanka and also in general. The method is to apply the conceptual framework of Emile Durkheim to empirical findings and follow his lines of reasoning. The concept mechanical solidarity is central for understanding the assessment system. The education will piecemeal change and become more individualized and learner centred and with new modalities of assessment. It is so if Durheim is right in his claim, that some social facts are caused by other social facts, not just connected to them. 相似文献
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距离与参与问题是美学研究的热点和焦点问题之一。“距离”棍念具有多义性，既可指空间距离、时间距离，又可指艺术与生活之间的距离，更重要的指心理距离、审美距离。“距离”说的背后隐藏着明显的二元思维模式和鲜明的精英化立场。“距离”与“参与”相对，但“距离”本不拒绝“参与”。“距离”也罢，“参与”也罢，都有个“度”的问题，它们只是审美活动的不同侧面、不同维度、不同阶段而巳，不能只强调一方而无视另一方的存在。 相似文献
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SUNG Wen-pei GO Cheer-germ SHIH Ming-hsiang 《浙江大学学报(A卷英文版)》2007,8(9):1373-1379
The characteristic properties of shell element with similar shapes are used to generate a so-called super element for the analysis of the crack problems for cylindrical pressure vessels. The formulation is processed by matrix condensation without the involvement of special treatment. This method can deal with various singularity problems and it also presents excellent results to crack problems for cylindrical shell. Especially,the knowledge of the kind of singular order is not necessary in super element generation; it is very economical in terms of computer memory and programming. This method also exhibits versatility to solve the problem of kinked crack at cylindrical shell. 相似文献
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Alfredo Goñi 《Infancia y Aprendizaje》2013,36(47):101-116
ResumenEl objetivo de este estudio era indagar a qué tipos de conceptos recurren los preadolescentes cuando razonan sobre sucesos ordinarios de la vida social escolar. Brinda trasfondo teórico a la investigación la hipótesis de los dominios de juicio social formulada por Elliot Turiel. Se mantuvo una entrevista de inspiración clínica con 96 alumnos de entre 10 y 16 años, distribuidos en tres grupos de edad. Como estímulos se presentaron cinco episodios representados en tiras de comics. El análisis de los resultados, más cualitativo que cuantitativo, permite detectar la complejidad conceptual de los episodios de la vida ordinaria y la pluralidad de categorías que conforman el conocimiento social; se clarifica también la entidad epistemológica de algunas nociones sociales a la par que algunos cambios de pensamiento asociados con la edad. Se apuntan, por fin, aquellas claves teóricas cuya profundización permitirá acercarse más al sujeto pensante real. 相似文献
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Scientific knowledge is constantly subject to a variety of changes due to new discoveries, alternative interpretations, and fresh perspectives. Understanding uncertainties associated with various stages of scientific inquiries is an integral part of scientists’ domain expertise and it serves as the core of their meta-knowledge of science. Despite the growing interest in areas such as computational linguistics, systematically characterizing and tracking the epistemic status of scientific claims and their evolution in scientific disciplines remains a challenge. We present a unifying framework for the study of uncertainties explicitly and implicitly conveyed in scientific publications. The framework aims to accommodate a wide range of uncertainty types, from speculations to inconsistencies and controversies. We introduce a scalable and adaptive method to recognize semantically equivalent cues of uncertainty across different fields of research and accommodate individual analysts’ unique perspectives. We demonstrate how the new method can be used to expand a small seed list of uncertainty cue words and how the validity of the expanded candidate cue words is verified. We visualize the mixture of the original and expanded uncertainty cue words to reveal the diversity of expressions of uncertainty. These cue words offer a novel resource for the study of uncertainty in scientific assertions. 相似文献
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Learning strategies are an essential tool to enable the autonomous and active learning of mathematics and it is therefore necessary to identify these strategies correctly. The objective of this research is to analyse the factorial structure of the Spanish version of a questionnaire that measures the use of these strategies in the subject of mathematics (Cuestionario de Estrategias de Aprendizaje para las Matemáticas [CEAMA]). We adapt a questionnaire based on the MSLQ (Motivated Strategy for Learning Questionnaire), since it is focused on the context of mathematics learning. The study has been conducted in different schools located in the Basque Country and collects data from 631 students of the second, third and fourth years of compulsory secondary education (ESO). The results show a hepta-scale structure compared to the six-scale structure proposed by the original English version. The difference is detected in the division of metacognitive strategies into two factors: planning and monitoring/regulation. This finding improves data on metacognition in mathematics teaching and learning, making it richer and more exhaustive. The suitability of certain items is discussed. 相似文献
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Noriaki Suetake Go Tanaka Hayato Hashii Eiji Uchino 《Journal of The Franklin Institute》2012,349(8):2570-2584
As the filter which can effectively remove the small amplitude noises on digital images, the has been proposed. In order to effectively use this filter, a smoothing parameter should be appropriately estimated before applying it. To address this problem, the authors proposed the parameter estimation method based on Hellinger distance (HD). In the method, HD between a residual signal and assumed noise distribution was evaluated, and a parameter of the was estimated by finding the value giving minimum distance. However, the enough discussion on use of HD has not been made.In this paper, it is attempted to utilize not only the HD, but also various distribution distances in the parameter estimation, and their performances and characteristics are compared and analyzed experimentally. Furthermore, the parameter estimation method is extended to be applicable for the vector for the color images. Consequently, through the experiments, it is shown that L1-norm or maximum norm is appropriate as the distribution distance used in the parameter estimation methods from the view points of the simplicity of the calculation and MSE performance in the filtering. 相似文献
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科学计量学主流研究领域与热点前沿研究 总被引：2，自引：0，他引：2
[目的/意义]基于对《科学计量学》杂志的研究与回顾,找出科学计量学领域进入发展时期后的主流研究领域和热点前沿,探究其演进脉络,并绘制可视化的知识图谱。[方法/过程]借助Bibexcel与SPSS软件,通过共引分析与因子分析法,得出科学计量学在各发展阶段的主流研究领域;通过共词分析法,利用CiteSpace II软件,对科学计量学3个阶段的研究热点与前沿分别进行识别与可视化。[结果/结论]引文分析、科学合作、科研评价一直是科学计量学在发展时期的主流研究领域,科学计量学的研究对象不断扩充,研究方法不断完善,并逐渐引入社会网络分析等其他学科方法;随着发展阶段的推移,研究热点与前沿的网络密度不断提高,研究前沿动态转变过程中的转折点也不断增加,科学计量学领域的研究更加丰富和深入。创新性地对科学计量学的主流研究领域和热点前沿进行分阶段分析,可以更清晰地展示出发展时期科学计量学的演进脉络。 相似文献