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331.
332.
Elena Xeni 《Educational Media International》2013,50(1):58-59
English: This study examines the efficiency of the Imen-Delphi (ID) technique as an electronic procedure for conferencing. Originally the ID procedure (Passig, 1993, 1996, 1997, 1998) was designed in order to facilitate a discussion among a group of panellists sharing a common future interest. The goal of the ID is to help the participants clarify their opinions and expectations regarding their preferable and possible futures, thus helping them commit themselves to the task of implementing the desirable agreed upon future. This study conducted an electronic version of the original ID procedure and tested its efficiency in reaching an agreement among a group of experts on Virtual Reality (VR) and education. Français: L'article étudie l'efficacité de la technique iD comme une procédure électronique pour les conférences. À l'origine la procédure iD (Passig, 1993, 1996, 1997, 1998) a été conçue pour faciliter une discussion entre une groupe de personnes participant à une table ronde qui partagent un même intérêt pour l'avenir. Le but de l'iD est d'aider les participants à clarifier leurs opinions et attentes concernant l'avenir préféré et possible, et de les aider à s'impliquer dans l'avenir tel qu'il est souhaité d'un commun accord. Cet article décrit une version électronique de la procédure originale de l'iD, et teste son efficacité pour aboutir à un accord au sein d'un groupe d'experts sur réalité virtuelle (RV) et l'éducation. Deutsch: In dieser studie wird die wirksamkeit der Imen-Delphi (ID)-Technik als elektronische möglichkeit für konferenzen untersucht. Ursprünglich war diese technologie (Passig, 1993, 1996, 1997, 1998) entworfen worden, um die kommunikation einer gruppe von diskussionsteilnehmern zu unterstutzen. Ziel von ID ist, den teilnehmern zu helfen, ihre meinungen und erwartungen zu erklären in bezug aug ihre gewünschte oder mögliche zunkunft, wodurch sie sich selbst besser in die angestrebte zukünftige Form einbringen können. Diese studie führte zu einer elektronischen version des original ID-verfahrens. Seine wirksamkeit wurde bei der erzielung einer, vereinbarung zwischen einer expertengruppe zum thema ‘Virtual Reality und Erziehung’ erwiesen. 相似文献
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ABSTRACTAutomated essay scoring is a developing technology that can provide efficient scoring of large numbers of written responses. Its use in higher education admissions testing provides an opportunity to collect validity and fairness evidence to support current uses and inform its emergence in other areas such as K–12 large-scale assessment. In this study, human and automated scores on essays written by college students with and without learning disabilities and/or attention deficit hyperactivity disorder were compared, using a nationwide (U.S.) sample of prospective graduate students taking the revised Graduate Record Examination. The findings are that, on average, human raters and the automated scoring engine assigned similar essay scores for all groups, despite average differences among groups with respect to essay length and spelling errors. 相似文献
335.
Elena Martín 《Infancia y Aprendizaje》2013,36(24):69-88
ResumenEn este artículo se presenta una nueva metodología en la enseñanza de la historia: los juegos de simulación. Se exponen las ventajas e inconvenientes de su aplicación a la escuela. Se indican las diversas variables que influyen en el éxito o fracaso de esta técnica y se muestran también los pasos necesarios para su diseño. Por último, se incluye, como ejemplo, uno de estos juegos: El Congreso de Viena, con todo el material necesario para llevarlo a cabo en clase. 相似文献
336.
Elena Calderón-Canales Leticia Gallegos-Cázares Fernando Flores-Camacho 《Infancia y Aprendizaje》2013,36(4):952-999
AbstractStudies of the representations that students construct, within the framework of embodied cognition, have shown that perception, action and cognition are linked and are the basis of these representations. From this framework of analysis, this study attempted to identified the representations of 23 preschool students (ages four and five) of sound production, perception and propagation. In-depth interviews were conducted using hypothetical situations and experimental tasks. Three representations were identified. The first one shows a conception of sound centred on objects. Representation 2 also focuses on objects and their relationship with the subject, but it begins to attribute characteristics to the sound itself, and in representation 3, sound has more intrinsic characteristics that expand its possibilities of interacting with the subject and other objects. We conclude that the construction of representations of sound starts from perceptual elements and is linked to actions, although its complexity also shows that they incorporate characteristics that go beyond this corporal correlate. 相似文献
337.
Malva Villalón Emy Suzuki Maria Olivia Herrera Maria Elena Mathiesen 《International Journal of Early Years Education》2002,10(1):49-59
The aim of the study was to assess the quality of the different types of Chilean early childhood care and education programmes according to international standards. The sample included 120 centres representing the different types of pre-school programmes available, randomly selected from two different geographical regions of the country, where 52% of the population lives. This paper presents the structural and process characteristics observed in the classrooms, according to the results from the application of the Early Childhood Environment Rating Scale (ECERS). All the different types of pre-school programmes in Chile exhibited a minimum level of quality, even though there are differences among types of programmes and also according to the geographical area where they were settled. Results are compared with findings from the European Child Care and Education (ECCE) study developed in Austria, Germany, Portugal and Spain and from the Effective Provision of Pre-school Education (EPPE) project, developed in Britain. Cette étude se propose de évaluer la qualitédes différents programmes d'éducation et soin d'enfants au Chili, selon des standards internationaux. 120 centres ont été selectionnés au hasard, dans les deux départements du pays ou habite le 52% de la population. Cet article analyse les caractéristiques structurelles et du procès observes dans les classes, selon les résultats obtenus avec l'application de l'Early Childhood Environment Rating Scale (ECERS). Les différents types de programme on montré un niveau minimal de qualité même s'il y avait de différences significatives parmi les programmes et les départements. Les résultats sont compares avec l'étude European Child Care and Education (ECCE) développeé a le'Autriche, dans l'Allemagne, au Portugal et en Espagne et avec ceux projet Effective Provision of Pre-school Education (EPPE), développe a l'Angleterre. El propósito de este estudio fue la evaluación de la calidad de los diferentes programas de Educación y cuidado infantil existentes en Chile, aplicando criterios internacionales. La muestra incluyó 120 centros que representan los diferentes tipos de programas existentes en el país, seleccionados al azar, en las dos regiones, en las que habita el 52% de la población total. Este artículo analiza las características estructurales y del proceso observadas en las salas, de acuerdo a los resultados de la aplicación de la Early Childhood Environment Rating Scale (ECERS). Los distintos tipos de programas mostraron un nivel de calidad promedio correspondiente al rango minimo, aunque existen diferencias significativas entre ellos y también entre las dos regiones. Estos resultados fueron comparados con los hallazgos de los estudios-European Child Care and Education (ECCE), desarrollado en Austria, Alemania, Portugal y Espana y Effective Provision of Pre-school Education (EPPE), realizado en Inglaterra. 相似文献
338.
Gianpaolo Perrella Giovanni Maria Montuori Massimiliano Fraldi Elena Mele 《浙江大学学报(A卷英文版)》2016,17(6):427-442
The efficiency of a long-span structure relies on how material is locally distributed within a fixed structural shape. In this paper a design procedure for thin plates made of three layers of a depleted material subject to a distributed vertical load is proposed. The investigation is driven by the idea of the optimal material organization and has the objective of maximizing the overall stiffness/weight ratio of the structure. Two microstructural architectures of the media are considered: a porous solid structure and a truss arrangement. For each type of microstructure the flexural stiffness has been correlated to the level of depletion by the use of a power law function by setting very few parameters. Finally, invoking the principles of structural homogenization theory, the global flexural response of the plate has also been calculated. The validity of the method is demonstrated by comparing the analytical results with those obtained by a numerical finite element simulation of the structure based on a detailed model of the media. 相似文献
339.
This paper investigates the workings of institutional logics in practice, by focusing in particular on the interplay between material, practical and linguistic dimensions of practices. In other words, drawing on Bourdieu's sens pratique, the paper explores the logic of practice in the practice of logics through a six months full-time ethnographic study at Il Sole-24 Ore, the largest Italian financial newspaper, between 2007 and 2008. An original conceptual framework is developed to analyse how the logic of journalism is enacted vis-à-vis that of advertising in a setting in which an old technology for news production – print newspaper – coexists with a new one – website – and thus encounters between new and old technological possibilities make workings of institutional logics particularly visible. The findings point out different mechanisms of institutional work dealing with actions that, made possible by new technological possibilities, are potentially, but not necessarily classified as divergent from institutional logics. 相似文献
340.
The Scuola Grande di San Marco is one of the most outstanding Renaissance buildings in Venice. Destroyed by fire in 1485, the Scuola was reconstructed between 1487 and 1495 by Pietro Lombardi (and sons), together with Giovanni Buora and Mauro Codussi. The façade is considered one of the finest and most original exteriors of Venetian buildings and in particular features refined sculptural and painted decorations and a remarkable pictorial effect created by the extensive use of polychrome marbles and the false perspective view between the pilasters of the lower order. Most of the stone materials (Istrian and Verona red limestones, nero di Roveré, pavonazzetto toscano, Carrara marble and various reused antique marbles) present evident decay phenomena such as scaling, exfoliation, powdering, fissuring, salt efflorescence, black crusts, and artificial patinas of various kinds. The present study reports the results of petrographic and chemical laboratory analyses carried out in preparation for the conservation treatment of the building, in order to characterize the main micro- and macro-morphologies of decay and to identify the causes and mechanisms of deterioration as well as the nature and application technique of the polychromy, gilding, and patinas present on parts of the monumental Renaissance façade. 相似文献