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The composition of young children's vocabularies in 7 contrasting linguistic communities was investigated. Mothers of 269 twenty-month-olds in Argentina, Belgium, France, Israel, Italy, the Republic of Korea, and the United States completed comparable vocabulary checklists for their children. In each language and vocabulary size grouping (except for children just learning to talk), children's vocabularies contained relatively greater proportions of nouns than other word classes. Each word class was consistently positively correlated with every other class in each language and for children with smaller and larger vocabularies. Noun prevalence in the vocabularies of young children and the merits of several theories that may account for this pattern are discussed.  相似文献   
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The purpose of this study is to review the main perspectives or issues dealt with in the research on considered to be key competences, in order to develop a fuller understanding of how human competence functions. As a result of this review, two themes considered as having important implications for the actual practices can be identified: that there exists an holistic nature with different aspects of a given competence and that influences of a contextual and cultural nature are factors which affect the operation of human competence. By incorporating four characteristics and three domains of competence with the review conducted in this study, we began to appreciate what the research on human characteristics related to key competences has achieved and what is needed for future research.  相似文献   
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Sixty-nine counselor trainees in Alberta, Canada, completed the Interpersonal Check List at the beginning and end of their training year. On both occasions trainees responded to a “set” for self-concept and self-ideal. The congruence between self and ideal (S-I) was tested for both linear and curvilinear relationships with supervisor ratings and final practicum grades of students. A curvilinear relationship was found between (S-I) congruence and final performance measures for full-time male practicum students, suggesting the presence of an optimal range of S-I congruence.  相似文献   
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This study investigated the nature of interaction among teachers that occurred around the National Board certification (NBC) process and how that collegial interaction influenced teachers’ professional development. Qualitative interviews were conducted with 14 teachers who were either considering NBC, in the process, or had been awarded NBC. Interview data were analyzed using the constant comparative method. Results indicated that teacher interactions triggered by NBC helped one another's professional development in several ways: (a) enhancing reflection on teaching practice, (b) establishing a professional discourse community, (c) raising the standards for teaching performances, and (d) facilitating collaboration. Implications for teacher professional development were discussed.  相似文献   
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INTRODUCTION Video streaming service nowadays enjoys ex- plosive adoptions over all kinds of underlying net- works. To enjoy the freedom of tether-less connection over the wireless local area network (WLAN), we need to overcome many challenges of unstable wire- less channel due to fading, interference and so on. The scarce and fluctuating available bandwidth (together with time-varying delays and random/burst losses) can cause the video quality at the streaming client to be seriously deg…  相似文献   
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Comics are powerful visual messages that convey immediate visceral meaning in ways that conventional texts often cannot. This article's authors created comic strips to teach anatomy more interestingly and effectively. Four-frame comic strips were conceptualized from a set of anatomy-related humorous stories gathered from the authors' collective imagination. The comics were drawn on paper and then recreated with digital graphics software. More than 500 comic strips have been drawn and labeled in Korean language, and some of them have been translated into English. All comic strips can be viewed on the Department of Anatomy homepage at the Ajou University School of Medicine, Suwon, Republic of Korea. The comic strips were written and drawn by experienced anatomists, and responses from viewers have generally been favorable. These anatomy comic strips, designed to help students learn the complexities of anatomy in a straightforward and humorous way, are expected to be improved further by the authors and other interested anatomists.  相似文献   
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留学人员是我国科技发展的一支重要力量 ,充分发挥好这支队伍的作用是加快我国科技发展 ,赶超世界科技先进水平的一个重要途径。我国改革开放以来 ,有近 30万人负笈海外求学 ,逾1 0 0多个国家和地区 ,其中有不少已学有所成。随着我国政治、经济、社会的发展 ,近两年来回国干一番事业的留学人员越来越多。这种情况下 ,如何充分发挥他们的知识才能 ,最大程度地满足他们报效祖国的一片赤子之心 ,加快我国现代化科技和经济建设 ,成为我们在实际工作中不断探索总结的领域。在教育部和科技部的支持和指导下 ,于 1 998年 2月依托已有的“苏州高新技…  相似文献   
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