Inquiry-Based Science and Technology Enrichment Program: Green Earth Enhanced with Inquiry and Technology     

Hanna Kim 《Journal of Science Education and Technology》2011,20(6):803-814

This study investigated the effectiveness of a guided inquiry integrated with technology, in terms of female middle-school students’ attitudes toward science/scientists and content knowledge regarding selective science concepts (e.g., Greenhouse Effect, Air/Water Quality, Alternative Energy, and Human Health). Thirty-five female students who were entering eighth grade attended an intensive, 1-week Inquiry-Based Science and Technology Enrichment Program which used a main theme, “Green Earth Enhanced with Inquiry and Technology.” We used pre- and post-attitude surveys, pre- and post-science content knowledge tests, and selective interviews to collect data and measure changes in students’ attitudes and content knowledge. The study results indicated that at the post-intervention measures, participants significantly improved their attitudes toward science and science-related careers and increased their content knowledge of selected science concepts (p < .05).  相似文献   

Reclaiming Kindergarten: Part I. Questions about Theory and Practice     

Dominic F. Gullo  Kim Hughes 《Early Childhood Education Journal》2011,38(5):323-328

The purpose of this article is to describe the crisis that exists in kindergarten today related to maintaining developmentally and culturally appropriate practice while at the same time addressing the academic standards set forth by most states. In Part I, three questions are posed, the answers to which seek to elucidate possible solutions to this dilemma. The questions center on issues related to developmentally appropriate practice, intentional teaching, and assessment. Research and expert opinion associated to each of these areas are discussed, and examples of classroom practice are used to illustrate the effective implementation of these principles in a kindergarten classroom.  相似文献   

青少年校内闲暇时间身体活动影响因素研究     

司琦  苏传令  Kim Jeongsu 《首都体育学院学报》2015,27(4)

以初中生为研究对象,选取自我效能、乐趣、主观障碍、社会支持和学校环境等5个反映社会生态模型个体水平、人际水平和组织水平的因素,就其对青少年参与校内闲暇时间身体活动的影响进行分析.结果显示:午饭后身体活动强度(F=3.79,P＜0.05)、持续时间(F=4.03,P＜0.05)和对锻炼的乐趣(F=0.82,P＜0.05)、学校政策与管理(F=10.67,P＜0.05)认知存在显著的性别差异.自我效能(F=3.79,P＜0.05)、过程障碍(F=6.43,P＜0.01)和对运动场地与设施(F=10.95,P＜0.01)的感知存在显著的年级差异.回归分析显示:自我效能(β=0.29,P＜0.05)、老师社会支持(β=0.21,P＜0.05)、学校绿化建设(β=0.13,P＜0.05)对青少年参与校内闲暇时间身体活动的影响具有统计学意义.结论:学校应重视特定时段学生身体活动的组织和管理,尤其是对女生的组织和管理;自我效能、老师社会支持、学校绿化建设是影响青少年参与校内闲暇时间身体活动的主要因素.  相似文献   

Framing the crisis by one's seat: a comparative study of newspaper frames of the Asiana crash in the USA,Korea, and China     

Yan Yan  Yeojin Kim 《亚洲交流杂志》2015,25(5):486-506

This study compared newspaper frames of the 2013 Asiana Airlines crash in the three countries involved: the USA, Korea, and China. The results revealed distinct patterns of news coverage under the particular influence of national interests. The responsibility frame was the most frequently used, but the attribution of responsibility varied across the three countries. US newspapers overwhelmingly attributed the causation to pilot error, Korean media framed the causation as being open to multiple explanations, and Chinese newspapers were less likely to speculate about causation before the final official conclusion was reached. US and Korean media maintained a negative tone toward each other, while Chinese newspapers took a similar standpoint as the US media but were slightly less negative toward Korea. Further, divergence of news frames used across countries was associated with the different use of sources by different newspapers across countries. In particular, Korean media indicated reluctance to use US officials and a preference to cite alternative sources which offered diverse opinions regarding the attribution of responsibility. Finally, emotions of the crash stories varied by attributions of causation in Korean but not in the other countries’ news reports.  相似文献   

Commonality Analysis: A Reference Librarian’s Tool for Decomposing Regression Effects     

Thomas Reio  Silvana Chambers  Mariya Gavrilova-Aguilar  Kim Nimon 《The Reference Librarian》2015,56(4):315-326

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A semantic Bayesian network approach to retrieving information with intelligent conversational agents     

Kyoung-Min Kim  Jin-Hyuk Hong  Sung-Bae Cho 《Information processing & management》2007

As access to information becomes more intensive in society, a great deal of that information is becoming available through diverse channels. Accordingly, users require effective methods for accessing this information. Conversational agents can act as effective and familiar user interfaces. Although conversational agents can analyze the queries of users based on a static process, they cannot manage expressions that are more complex. In this paper, we propose a system that uses semantic Bayesian networks to infer the intentions of the user based on Bayesian networks and their semantic information. Since conversation often contains ambiguous expressions, the managing of context and uncertainty is necessary to support flexible conversational agents. The proposed method uses mixed-initiative interaction (MII) to obtain missing information and clarify spurious concepts in order to understand the intention of users correctly. We applied this to an information retrieval service for websites to verify the usefulness of the proposed method.  相似文献   

High-performance FAQ retrieval using an automatic clustering method of query logs     

Harksoo Kim  Jungyun Seo 《Information processing & management》2006

To resolve some of lexical disagreement problems between queries and FAQs, we propose a reliable FAQ retrieval system using query log clustering. On indexing time, the proposed system clusters the logs of users’ queries into predefined FAQ categories. To increase the precision and the recall rate of clustering, the proposed system adopts a new similarity measure using a machine readable dictionary. On searching time, the proposed system calculates the similarities between users’ queries and each cluster in order to smooth FAQs. By virtue of the cluster-based retrieval technique, the proposed system could partially bridge lexical chasms between queries and FAQs. In addition, the proposed system outperforms the traditional information retrieval systems in FAQ retrieval.  相似文献   

Closing the Gap: Modeling within-school variance heterogeneity in school effect studies     

Junyeop Kim  Kilchan Choi 《Asia Pacific Education Review》2008,9(2):206-220

Effective schools should be superior in both enhancing students’ achievement levels and reducing the gap between high- and low-achieving students in the school. However, the focus has been placed mainly on schools’ achievement levels in most school effect studies. In this article, we focused our attention upon the school-specific achievement dispersion as well as achievement level in determining effective schools. The achievement dispersion in a particular school can be captured by within-school variance in achievement (σ²). Assuming heterogeneous within-school variance across schools in hierarchical modeling, it is possible to identify school factors related to high achievement levels and a small gap between high- and low-achieving students. By analyzing data from the TIMMS-R, we illustrated how to detect variance heterogeneity and how to find a systematic relationship between within-school variance and school practice. In terms of our results, we found that schools with a high achievement level tended to be more homogeneous in achievement dispersion, but even among schools with the same achievement level, schools varied in their achievement dispersion, depending on classroom practices.  相似文献   

Child labour,education policy and governance in Cambodia     

Chae-Young Kim 《International Journal of Educational Development》2011

This paper considers how the issue of child labour is located in Cambodian education policy debates and how it is affected by the major constraints surrounding the Cambodian education sector. In particular, it asks why Cambodian policy makers have not sought to address the issue explicitly despite its considerable, and adverse, impact on children's school education. In doing so it first identifies the Cambodian education sector's passive approach to child labour, leaving it as a problem to be resolved by wider economic development. Secondly, it finds that the major constraints surrounding the education sector, including the issue of its governance, contribute to sustain a wide gap between stated education policies and actual practice, thus further diminishing working children's chances to benefit from a school education.  相似文献   

Administrative support and its mediating effect on US public school teachers   总被引：1，自引：0，他引：1  

Benjamin R. TickleMido Chang  Sunha Kim 《Teaching and Teacher Education》2011,27(2):342-349

This study examined the effect of administrative support on teachers’ job satisfaction and intent to stay in teaching. The study employed a path analysis to the data of regular, full-time, public school teachers from the Schools and Staffing Survey teacher questionnaire. Administrative support was the most significant predictor of teachers’ job satisfaction, while teachers’ job satisfaction was the most significant predictor of teachers’ intent to stay in teaching. It was also confirmed that administrative support mediates the effect of teaching experience, student behavior, and teachers’ satisfaction with their salary on teachers’ job satisfaction and intent to stay in teaching.  相似文献