• Title/Summary/Keyword: Learning analysis

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A Study on the School Library Research Trends Using Topic Modeling (토픽모델링을 활용한 학교도서관 연구동향 분석)

  • Jung, Young-Joo;Kim, Hea-Jin
    • Journal of Korean Library and Information Science Society
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    • v.51 no.3
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    • pp.103-121
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    • 2020
  • This study aimed to analyze the research trends of school libraries from 1990 to July 2020. To this end, LDA topic modeling analysis was conducted to the domestic article abstracts related to school libraries. The total number of documents is 498 papers published by the four major domestic journals in Library and Information Science. The log-likelihood estimate criterion was used to determine the number of topics for topic modeling. As a result of the study, 27 topics were discovered, then, theory were categorized by eight subject areas: general, institutional system, building/equipment, operation/management, data organization, service, education, and others. The most popular research was library utilization classes (T27) and Information Utilization (T2). More than 20 studies were found in each evaluation index development (T13), school librarian placement (T24), learning information media utilization (T3), community public library (T7), library cooperation (T9), library use (T17), library research (T11), reading education (T4), collection development (T5), and education effects/teaching methods (T18).

Analysis of School Life Satisfaction and Acculturation of Elementary Students of North Korean Refugees in Daegu and Gyeongbuk Region (대구·경북지역의 북한이탈 초등학생의 문화변용과 학교생활 만족도)

  • Park, Soon Ho
    • Journal of the Korean association of regional geographers
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    • v.22 no.1
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    • pp.168-179
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    • 2016
  • This study attempted to analyze the relationship between school life satisfaction and acculturation of elementary students of north Korean refugees in Daegu and Gyeongbuk region. The socio-demographic characteristics of elementary students in Daegu and Gyeongbuk were different from in capital territory or other parts of Korea. The acculturation of students living in Daegu and Gyeongbuk was distinctive. The proportion of assimilation was slightly higher than that of integration. However, 42 percent of students belonging to separation and marginalization passively accepted south Korean culture, so that they would have a difficult time in adjusting to new culture. Students getting older and being used to school life strongly inclined to accept south Korean culture; while, students born in north Korea tended to resist acceptance of south Korean culture. Most students were satisfied with school life. The satisfaction level was high in the relationship with teachers and school environment; while, the satisfaction level in learning activity was relatively low. In the relationship between school satisfaction and types of acculturation, students actively accepting new culture were relatively highly satisfied with their school life. A standardized short-term education oriented program for north Korean adolescents refugees living in south Korea should be shifted into the long-term support policy reflected in class and attribute in terms of acculturation.

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The Design of Polynomial Network Pattern Classifier based on Fuzzy Inference Mechanism and Its Optimization (퍼지 추론 메커니즘에 기반 한 다항식 네트워크 패턴 분류기의 설계와 이의 최적화)

  • Kim, Gil-Sung;Park, Byoung-Jun;Oh, Sung-Kwun
    • Journal of the Korean Institute of Intelligent Systems
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    • v.17 no.7
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    • pp.970-976
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    • 2007
  • In this study, Polynomial Network Pattern Classifier(PNC) based on Fuzzy Inference Mechanism is designed and its parameters such as learning rate, momentum coefficient and fuzzification coefficient are optimized by means of Particle Swarm Optimization. The proposed PNC employes a partition function created by Fuzzy C-means(FCM) clustering as an activation function in hidden layer and polynomials weights between hidden layer and output layer. Using polynomials weights can help to improve the characteristic of the linear classification of basic neural networks classifier. In the viewpoint of linguistic analysis, the proposed classifier is expressed as a collection of "If-then" fuzzy rules. Namely, architecture of networks is constructed by three functional modules that are condition part, conclusion part and inference part. The condition part relates to the partition function of input space using FCM clustering. In the conclusion part, a polynomial function caries out the presentation of a partitioned local space. Lastly, the output of networks is gotten by fuzzy inference in the inference part. The proposed PNC generates a nonlinear discernment function in the output space and has the better performance of pattern classification as a classifier, because of the characteristic of polynomial based fuzzy inference of PNC.

A Study on Space Education Environment Changes due to the Fusion of Creative Education (창의적 융합교육에 의한 교육환경 공간 변화에 관한 연구 - 창의성 촉발의 탈중심적 및 사건적 공간을 중심으로 -)

  • Lee, Yong-Hwan
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.14 no.2
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    • pp.12-25
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    • 2015
  • This study is currently presenting a creative education policy through the new 2015 revised curriculum and the Free semester system of Middle School as part of the education policy reform in the government-led, high freedom grade in each regional school board first, emotional schools, friendly school, campus type schools, etc. with creative thinking and improve students' autonomous judgment with the psychological and political reasons meant to provide amusement and certainty of their career choice. This creates space for creative education through the theoretical understanding of the educational philosophical thinking on creativity was to identify the appropriate means of educational space. The purpose of this study was to extract the linkage to produce creative educational environment that is generated through the philosophical thinking of the historical and psychological analysis of creativity with a human being. Future school construction has a future-oriented task should create a creative learning space in the center of the member schools. This creates space for creative education through the theoretical understanding of the educational philosophical thinking on creativity was to identify the appropriate means of educational space. Therefore Philosophical Thinking Creative School of members through the grounds centric collaboration focused on convergence enemy curriculum and school creative autonomy of operation which is central educational environment, that is diversified assistance as an attribute of the environment, space, space, flexible outdoor space, linking enemy center space, different types and sizes of the space case situation, the open space and spatial fusion can be seen the configuration doeeojim with different training space element.

A Study of the change of the recognition before and after the field trip for the students of early childhood (유아교육과 재학생들의 현장견학 전·후의 인식변화에 대한 비교 연구)

  • Song, Ju Seung;Choung, Hye Myoung
    • Korean Journal of Childcare and Education
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    • v.3 no.2
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    • pp.48-67
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    • 2007
  • In the case of students hoping to be a nursery school and kindergarten teacher in future, the educational experience which can not learning in the class work was help to increase their understand for the instruction methods in nursery school sport and them to have a instruction mind as a nurser school teacher by direct and concrete. In the aspects, the observation program on an actual spot is a important plan to be a extend of course work and one of alternation programs in child education. This study was emphasized that the observation program is necessary and useful procedure for students who will be prepared a practical training course for 4 weeks and that help to understand the change of their recognition before the observation and after. Also the analytical work was prepared to use usefully for a teacher aspirants to acquire an effective educational method on the actual teaching class. The result shows that the observation program for practical training on an actual sport would give the practical major knowledge to students in course work of a child education school. The educational program which was consisted with the observation and the training course work on the actual sport would be necessary prepared in a regular curriculum for the most of teacher aspirants This systematically analysis explains that the educational program like an observation on actual sport offer to the student as one of course works and it will be sufficiently prepared for promotion of their understand and experience about the child education.

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Positive Random Forest based Robust Object Tracking (Positive Random Forest 기반의 강건한 객체 추적)

  • Cho, Yunsub;Jeong, Soowoong;Lee, Sangkeun
    • Journal of the Institute of Electronics and Information Engineers
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    • v.52 no.6
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    • pp.107-116
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    • 2015
  • In compliance with digital device growth, the proliferation of high-tech computers, the availability of high quality and inexpensive video cameras, the demands for automated video analysis is increasing, especially in field of intelligent monitor system, video compression and robot vision. That is why object tracking of computer vision comes into the spotlight. Tracking is the process of locating a moving object over time using a camera. The consideration of object's scale, rotation and shape deformation is the most important thing in robust object tracking. In this paper, we propose a robust object tracking scheme using Random Forest. Specifically, an object detection scheme based on region covariance and ZNCC(zeros mean normalized cross correlation) is adopted for estimating accurate object location. Next, the detected region will be divided into five regions for random forest-based learning. The five regions are verified by random forest. The verified regions are put into the model pool. Finally, the input model is updated for the object location correction when the region does not contain the object. The experiments shows that the proposed method produces better accurate performance with respect to object location than the existing methods.

A Study on the Effect of Pro-Environmental Consumers on Environmental Education Utilizing Value-Attitude-Behavior Model (가치-태도-행동모델(VAB)을 활용한 친환경 소비자의 환경교육의 조절효과 연구)

  • Hwang, Youn-Sung;Seo, Yong-Mo
    • Journal of the Korea Convergence Society
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    • v.8 no.7
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    • pp.273-282
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    • 2017
  • This empirical study is to verify the moderating effects of environmental education on pro-environmental consumers. For this purpose, we used Value-Attitude-Behaviro Model(VAB). In addition, as an environmental education method, the environmental education method using 7 environmental movies by the multimedia with excellent learning effect in order to increase the interest and educational commitment of the learners was utilized. A total of 116 subjects were divided into experimental group and control group, and the experiment was designed based on Pretest-Posttest Control Group Design to grasp the effect of environmental education after conducting environmental education to the experiment group. The results of the analysis showed that environmental education had no effect on environmental values but it had a positive effect on improving the attitude and the pro-environmental behavior. This study proved that the sustainable environmental education could form pro-environmental behavior, even though the environmental sense of values had not been formed in adolescence, and furthermore, the earlier researches had been mainly focused on the effect of the environmental education for the adolescent.

Analysis of High School Students' Understanding Levels about Earth Science terms Written in Chinese Characters (한자로 된 지구과학 용어에 대한 고등학생의 이해 수준)

  • Jeong, Jin-Woo;Park, Hee-Moo;Jung, Jae-Gu
    • Journal of the Korean earth science society
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    • v.25 no.5
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    • pp.303-314
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    • 2004
  • The purpose of this study is to analyze high school students' understanding levels about earth science terms written in Chinese characters according to learners' characteristics. In order to investigate how the responses vary according to their characteristics, first of all, proper scientific terms are selected, and then corre sponding questions about them are offered as subjects, which consists of a Korean characters type, a picture type, and a Korean and Chinese characters type. During paper test and interview, the questions are given to fifteen students from general high schools in Jecheon, Chungbuk Province. The results of the study are as follows; Students in formal operation level and field-independency answered very well and also the terms of Chinese characters type and picture type improve the students' understanding and memorization. Generally, Chinese characters have more positive influence on their learning than the negative. Therefore, in general, it seems that it's more effective to explain the sound and meaning of terms in detail and to give learners enough time to draw a picture about each term by themselves when scientific terms are delivered to students in Chinese characters in class.

An Analysis of High School Students' Systems Thinking and Understanding of the Earth Systems through their Science Writing (과학 글쓰기를 통한 고등학생의 지구 시스템에 대한 이해와 시스템 사고의 분석)

  • Lee, Hyundong;Kim, Taesu;Lee, Hyonyong
    • Journal of the Korean earth science society
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    • v.38 no.1
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    • pp.91-104
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    • 2017
  • The purposes of this study were to analyze high school students' understanding about the Earth system and systems thinking process, and to develop science writing programs designed to assess students' understanding about themes of Earth Science such as global warming, volcanoes, and desertification. A total of 8 $11^{th}$ grade students from general high schools participated in the writing program and draw the causal maps. The methods of this study are as follows. First, DAET-C was used to investigate the way of students' understanding about the Earth systems. What the students' best understood was the component of the Earth systems followed by the interaction of the Earth systems and the scientific literacy of Earth science. Second, feedback circulations on the causal maps were found in four students in global warming section, one student in volcanic eruption section, and four students in desertification section, which means that systems thinking was not largely employed by the students. Consequently, the student participants understood that the global change was happening in correlation with complex concepts and factors, but they were short of using systems thinking in their science study. Therefore, the result of this study suggests that more studies be conducted to develop systems thinking in Earth Science learning through science writing programs.

An Analysis of the Association between Subject Matter Knowledge and Pedagogical Content Knowledge for Science Teachers: The Case of Earth Science Teachers' Lesson on Atmospheric Pressure (과학 교사의 교과내용학지식과 교과교육학지식의 연관성 분석: 지구과학 교사의 대기압 수업 사례)

  • Lee, Ki-Young
    • Journal of The Korean Association For Science Education
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    • v.33 no.6
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    • pp.1219-1236
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    • 2013
  • The purpose of this study was to investigate the association between subject matter knowledge (SMK) and pedagogical content knowledge (PCK) for science teachers. To this end, a total of 26 secondary Earth science teachers participated in this study and a concept diagnostic questionnaire and a lesson planning task of atmospheric pressure were devised to give an indication of participating teachers' SMK and PCK, respectively. The results of this study are summarized as follows: First, participating teachers showed a variety of SMK levels about atmospheric pressure. Second, teachers at high level of SMK focused on 'supplementary' and 'fundamental' curriculum contents for in-depth conceptual understanding, but teachers at low level of SMK, on the contrary, stressed 'applicative' curriculum contents. Third, teachers at high level of SMK grasped students' misconceptions and difficulties in learning atmospheric pressure far more concretely than teachers at low level of SMK. Lastly, teachers at high level of SMK showed a tendency to use learner-centered instructional strategy by utilizing students' prior knowledge, but teachers at low level of SMK were inclined toward teacher-directed concept explanation. Based on this study, some implications for effective science teacher preparation programs were also discussed.