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The Development of the Items on Class Critiques Involving the Mathematical Competencies (수학 교과에서의 교과 역량을 반영한 수업비평문 개발 연구)

  • Yu, Ji Won;Hwang, Hye Jeang
    • East Asian mathematical journal
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    • v.36 no.4
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    • pp.475-492
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    • 2020
  • This study is to establish the items on class critiques based on the mathematical competencies according to the mathematics curriculum revised in 2015. Namely, this study deals with the items on how pre-service or in-service teachers understand and comment on mathematics instruction on their own instruction or peers' instruction. To accomplish this, first of all the draft items on instructional reviews was developed by researchers of this study on the basis of the previous study(Hwang, 2018). In order to revise and develop the draft items, the experimental study was executed. The experimental study was done by the subject of 11 groups who are undergraduate students in the educational college of C University. The subject was supposed to watch an in-service middle school mathematics teacher's excellent instruction(study) video and to comment the instruction video on the draft items on class critiques. While analyzing the comments of the subject, the revised items on the class critiques were to be develop. Based on this study, from now on, the final and ideal items on the class critiques would be establish to reflect and comment teachers' instruction.

A Study on the Types of Study Group in Online-Learning (온라인 학습에서 스터디 그룹의 유형에 관한 연구)

  • Lee, Kon S.;Cui, Yuan-Guo
    • The Journal of Korean Institute for Practical Engineering Education
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    • v.4 no.2
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    • pp.24-32
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    • 2012
  • This purpose of study is to identify types of study groups in online learning and the relationships between the types and teams' performance. In order to address these research questions, four study group types are developed based on Neiderman & Beise(1999)'s typology: 1) fully-supported; 2) highly-virtual; 3) traditional; and 4) inactive. And then three study group types are identified based on taxonomy-approach using cluster analysis from 46 teams participated in this study: 1) fully-supported; 2) traditional; 3), and 4) highly-virtual. The result shows that the groups are validated in the latter, except for the inactive type. The result indicates that fully-supported type groups achieved the highest performance, while the highly-virtual type group achieved the lowest performance.

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A Study on the Application of World Wide Web(WWW) Image Files to Visual Material in Lecture -In Case of Landscape Aesthetics- (WWW 이미지 자료의 시청각교재 활용방안에 관한 연구 -조경미학 관련논제를 중심으로-)

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    • Journal of the Korean Institute of Landscape Architecture
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    • v.27 no.2
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    • pp.108-118
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    • 1999
  • This study aims to apply World Wide Web(WWW) image files to visual material in lectures. Especially handles "Aesthetics of Landscape Architecture." Visual Materials of 800 web sites were searched and analyzed. It is found that web search needs a subject oriented web guide. It says now a need of application web material to lectures. Matching the web images with the subjects of lecture, above all, is the main approach of this study. Thus, a list up method is supposed, series of web image data to be inclusive in two tables. The data distribute on sub-subject, and applicant as materials in picturing objects of slide show, web guide, and single image. Two cases of lecture subjects were chosen in this study. A case that needs various visual materials and other case of advanced materials that needs a special web guide. Chance of results of this study is not yet fully clear in real lecture. It is sure, as an article of cyber lecture that provided result of increasingly participant's interest. By this study, it will be possible a fully made lecture material by further study.her study.

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Stock Market Response to Elections: An Event Study Method

  • CHAVALI, Kavita;ALAM, Mohammad;ROSARIO, Shireen
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.5
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    • pp.9-18
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    • 2020
  • The research paper examines the influence of elections on the stock market. The study analyses whether the market reaction would be the same when a party wins and comes to power for the second consecutive time. The study employs Market Model Event study methodology. The sample period taken for the study is 2014 to 2019. A sample of 31 companies listed in Bombay Stock Exchange is selected at random for the purpose of the study. For the elections held in 2014, an event window of 82 days was taken with 39 days prior to the event and 42 days post event. The event (t0) being the declaration of the election results. For the elections held in 2019 an event window of 83 days was taken with 41 days prior to the event and 41 days post event. The results indicate that the market reacts positively with significantly positive Average Abnormal Returns. The findings of the study reveal that the impact on the market is not the same between any two elections even when the same party comes to power for the second time. The semi-strong form of efficient market hypothesis holds true in the context of emerging markets like India.

Online Collaborative Language Learning for Enhancing Learner Motivation and Classroom Engagement

  • Jeong, Kyeong-Ouk
    • International Journal of Contents
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    • v.15 no.4
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    • pp.89-96
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    • 2019
  • This study examines the impact of online collaborative English language learning to enhance learner motivation and classroom engagement in university English instruction. The role of learner motivation and classroom engagement has gained much attention under the premises of current constructivist framework of English as a foreign language education. To promote learner motivation and classroom interaction in English instruction, participants in this study engaged in integrative English learning activities through online group collaboration and peer-tutoring. They exchanged productive peer response and shared their learning experiences throughout the integrative English learning activities. Digital technology played an integral role in motivating the learning process of the participants. Data for this study were gathered through an online questionnaire survey and semi-structured interviews. The data were analyzed based on the ARCS motivational model of instructional design to identify the motivational aspects of integrative English learning activities. This study reveals that participants of this study regarded online collaborative English learning activities as the positive and motivating learning experience. The online collaborative English reading instruction had positive effect on improving EFL university students' learning performance. Participants of this study also identified affective and metacognitive benefits of online collaborative EFL learning activities for learner motivation and classroom engagement. This study reveals that the social networking platform in online group collaboration played a crucial role for the participants in understanding the integration of online group collaboration as the positive and effective language learning strategy. This study may have implications in suggesting the effective instructional design for promoting learner motivation and classroom interaction in EFL education.

Systemic Review on Forest Healing Journals (산림 치유 관련 논문에 관한 체계적 고찰)

  • Sun, Seung-Ho;Lee, Seon-Goo
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.24 no.4
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    • pp.566-570
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    • 2010
  • This review was conducted to investigate clinical trial trend, clinical effect, and study methods of forest healing. Literature search was performed using the search engines of eight electronic databases from inception to march 2010 without language limitation. The search terms were "forest healing", "forest experience", "forest therapy", "forest treatment", "clinical trial", and "clinical study". Inclusion criteria were randomized controlled trials (RCTs) among all kinds of study searched about forest healing. Selection literature and data extraction was performed by authors(SH Sun and SG Lee) independently. Total three studies were selected finally. The methodological quality in all study was low because of poor reporting. Study indications were metal health, depression, self-esteem, and stress. The scale of studies was very small, which was the level of pilot study. There were no description for obtaining informed consent and being reviewed by Institutional Review Board (IRB), and could be any problems for statistical method in any studies. It is difficult to accept the fact that each studies had the significant effect for study indications in the results of studies. It is concluded that the evidence that health healing have a significant effect is insufficient. Further systematic and methodological study and well-designed clinical trial will be needed.

A Study on Teaching Methods of Geometry Based on Individual Differences in Middle School (개인차를 고려한 중학교 기하 교수-학습 방법 개발)

  • Kwon, Young-In;Suh, Bo-Euk
    • The Mathematical Education
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    • v.47 no.2
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    • pp.113-133
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    • 2008
  • This study is to develop the methods of specifying teaching that can consider individual differences in middle school geometry education. The purpose of this study is to decide the variations causing individual differences and to find the proper learning methods considering the variations. Through literature review, this study made it clear that the matter of individual difference is just the matter of talent and examined what factors make up mathematical talents. On the basis of the result, five important variations and fourteen subordinate factors were determined. I researched into the learning methods that consider the determined subordinate factors using the 'congruence' unit of middle school textbooks and developed specific learning methods for each of the subordinate factors through specific congruence problem solving situations. This study can be summarized as follows : I researched the studies of mathematical ability conducted by several educators and psychologists. This research is divided into the early study and the developed study of mathematical ability. Through this study five specific variations were determined. And fourteen subordinate factors have been made from the determined variations. The specific learning methods based on individual differences was developed according to the fourteen subordinate factors on the basis of middle school textbooks of Korea, Gusev's textbook, problem books of Russia, and etc.

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A Follow-up Study on Smart Divide Issues in Korean Rural Area

  • Lee, Jongtae
    • Agribusiness and Information Management
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    • v.8 no.1
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    • pp.27-32
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    • 2016
  • Digital divide commonly means the gap among diverse stakeholders, businesses, physical areas, and individual people in terms of opportunities, accessibilities, and usabilities (Acilar, 2011). Lee and Park (2011) and Barzilai-Nahon (2006) suggested that the digital divide issues should be considered as an important public issue because proper public response may enhance or reduce the information gaps by the digital divide. This study is a follow-up study of the study of Lee and Park. This study's main aim is to clarify the changes of the digital divide in the rural areas during five years and to find out meaningful factors to reduce the gaps between the rural area and urban area. To achieve the research aim, this study analyzes the public data by ITSTAT and previous studies on the digital divide. Also this study follows the system thinking approach to model the causal relationships among diverse factors on the digital divide. With the results, this study suggests that the factors to measure the digital divide should be re-designed including smartphone penetration and accessibilities. Especially, current digital divide scoring factors should be considered in the way of social welfare.

3D Art Make Up Design Process utilizing Digital Drawing Technique and Special Make Up (디지털 드로잉 기법과 특수 분장을 활용한 3D 아트메이크업 디자인 프로세스)

  • Shin, Won-Sun;Shin, Sae-Young
    • Journal of Fashion Business
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    • v.15 no.2
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    • pp.131-144
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    • 2011
  • The purpose of this study is to propose 3D art make-up design process by reproducing real objects through preliminary digital drawing with Photoshop (Photo Shop CS4.0, Adobe, USA) and using special make-up that has never been done previously, and produce creative problem solving plan to make concrete expanding thoughts and ideas. As for this study method, this study was composed of preliminary study, literature study by book examination and positive study on design process that performed preparatory work and reproduced real objects. Real case study by art make-up design process can improve effective design expressing ability by utilizing special make-up, diversify techniques, extend expression areas by materials, and create unique design. In addition, preliminary work by digital drawing, a process to predict real object work in advance, could reduce time and cost while improving work skill for work production, raise design accuracy and make easy the modification of idea. This study is anticipated to activate digital make-up by various digital techniques including Photoshop.

Study on trends of cancer study in TKM and its research strategy in future (한의학계(韓醫學界)의 암연구동향(癌硏究動向)과 연구(硏究) 전략(戰略)에 대한 연구(硏究))

  • Kim, Sung-Hoon
    • The Journal of Korean Medicine
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    • v.19 no.1
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    • pp.470-499
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    • 1998
  • For the purpose of designing more successful cancer research, the strategy for cancer study in the field of Traditional Korean Medicine(TKM) during the 21th century was examined from the analysis of trends on cancer study in traditional korean medicine. The results were summarized as follows: 1. So far cancer research in TKM was chiefly done on cytotoxicity, side-effects by chemotherapy, tumor immunology, apoptosis, survival time with S-180 and pulmonary colonization assay and also clonogenic assay, cell adhesion assay, angiogenesis, cell-differentiation and side-effect by radiotherapy were partly performed. 2. It may be ideal that we should study synergistic effect between constituent drugs of prescriptions, tumor immunology, combined therapy between western and oriental medicines by reducing side-effect by radiotherapy and chemotherapy and antimetastasis according to the characteristics of oriental medicine chiefly and also supplement the studies on molecular biology, gene therapy, angiogensis and signal transduction. 3. We had better do specific-field research in cooperation between oriental medical colleges and Korea Institute of Oriental Medicine(KIOM) as well as study a target cancers such as hepatic cancer, pulmonary cancer and gastric cancer more intensively than all cancers domestically. 4. Our country must keep communication with China having many clinical data, Taiwan chiefly doing the combined tharapy between oriental and western medicines, Japan having done basic study actively on cancer.

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