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1.
Since robots are becoming involved in children's lives, it is urgent to determine how children perceive robots. The present study assessed whether Japanese 5-year-olds care about their reputation when interacting with a social robot. Children were given stickers and asked to divide them between themselves and an absent recipient. Results revealed that children (N = 112, 55 boys, 57 girls) strategically shared more stickers when being watched by a social interactive robot than by an attentional but non-interactive robot or a still robot. Additionally, children (N = 36, 18 boys, 18 girls) attributed higher psychological properties to social robots. This study is the first to show that 5-year-olds care about their reputations from social robots.  相似文献   
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Ben McGrath  MS 《英语辅导》2013,(8):21-24
回想起来,"忍者追捕"涉及的是一个席卷斯塔顿岛的连环"忍者盗贼"。"武当乐队"正是发祥此地且名声在外,出于对功夫电影的敬意,在很久以前他们把这个地方戏称为"少林"。这个特别的盗贼,如今已被认定在过去的七个月里洗劫了十八户人家。九月,他在东安山的基奥洛家作案时,遇到了当地居民菲儿·基奥洛,"忍者盗贼"之恶名便是源自此案。他一身黑衣,戴着黑色面具,基奥洛说道,那盗贼还拿着双节棍。他用那副双节棍击打基奥洛的  相似文献   
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北京之旅     
当你作为外邦人来到一个全新的国度,能让你感到最为兴奋的便是碰触那个国度里最为民生的部分:小景点、繁忙的交通、做运动的老人家、使着各种招揽伎俩的小贩……你见到的一切都那么真实,每个人都在努力地生活着,不知不觉中,你已深深地为这个纯朴而真实的国度所吸引……  相似文献   
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The use of problem-solving in science instruction implies a change in the teacher's role from dispensing content information to encouraging critical reflective thinking in the student. For problem-solving to become an integral part of the science curriculum, teachers must make it the focus of their instruction. This study investigated the extent to which pre-service primary teachers used the problem-solving approach in their science instruction. It also identified the factors affecting their efforts to teach science using this approach. The issues considered are important in whether problem-solving becomes part of the science curriculum, as teaching behaviour influences student learning outcomes. Specializations: science eeducation Specializations: educational measurement, research methodology.  相似文献   
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Research into teacher inservice in primary science generally focuses on evaluating the objectives of each program in terms of the immediate outcomes. Little research appears to have been conducted into the long term effects of interactive inservice programs on the classroom practice of the participants. During 1993 the long term effects of participation in the Primary Science/Technology Project (Sci-Tec), as perceived by the teacher participants, were investigated. Focus teachers who had participated in Sci-Tec between 1988–1991 were asked to provide information about their current science teaching practice, and about the influence that Sci-Tec had had on their current practice. Six of these teachers were then interviewed to determine which specific aspects of the project they believed had most influenced the development of their current classroom practice in teaching science. Specializations: inservice and preservice in primary science and technology.  相似文献   
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The attitude towards science of first year early childhood education students was explored using an instrument developed for the purpose. The instrument comprises four Likert-type scales, biographical items and two open-ended attitude items. The four scales, characterised as ‘confidence’, ‘enjoyment’, ‘usefulness’ and ‘appropriateness of science for young children’, were supported by varimax factor analysis and had reliabilities from 0.83 to 0.88. Use of the combined scales as a general ‘attitude towards science’ scale was supported by principal components analysis; reliability for the combined scale was 0.94. Comments made in response to the open-ended items supported the validity of the scales. For the student group as a whole, mean scores on all scales were slightly to moderately positive, with the highest mean being for the ‘science for young children’ scale. Students who had studied at least one science subject at Year 12 level had significantly higher scores on all scales than students who had not studied science at senior level. Australia.Specializations: early childhood science education, biological aspects of child development, conservation biology of gulls.  相似文献   
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The high quality evaluation of generated summaries is needed if we are to improve automatic summarization systems. Although human evaluation provides better results than automatic evaluation methods, its cost is huge and it is difficult to reproduce the results. Therefore, we need an automatic method that simulates human evaluation if we are to improve our summarization system efficiently. Although automatic evaluation methods have been proposed, they are unreliable when used for individual summaries. To solve this problem, we propose a supervised automatic evaluation method based on a new regression model called the voted regression model (VRM). VRM has two characteristics: (1) model selection based on ‘corrected AIC’ to avoid multicollinearity, (2) voting by the selected models to alleviate the problem of overfitting. Evaluation results obtained for TSC3 and DUC2004 show that our method achieved error reductions of about 17–51% compared with conventional automatic evaluation methods. Moreover, our method obtained the highest correlation coefficients in several different experiments.  相似文献   
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Instructional technology, especially the use of computers and the Internet has been lagging behind in the German educational system in comparison to other European countries. When this lack was realized in the second half of the 1990s it had quite a “shock-effect” but one of the healthy kind: Since then numerous public and private initiatives have been started to advance the use of technology in schools, higher education, and in vocational training. At the college and university level, there is a trend towards connecting online and offline courses. Also, it was understood that it is not enough to just provide schools and universities with the technology needed but that the introduction of technology has to be accompanied by profound systemic and structural changes. Thus, there is great hope that the use of technology in education will fuel educational innovations at all levels needed for educating and training pupils and students to act as responsible and media-literate citizens in a modern world.  相似文献   
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基于RS-485的计算机监控网络的开发   总被引:3,自引:0,他引:3  
分布式控制系统广泛应用于工业生产过程中。文章设计了一种分布式的采用令牌总线机制的小型计算机监控网络,重点介绍了网络通信的设计与实现过程。  相似文献   
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