• Title/Summary/Keyword: Qualitative Elements

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A Qualitative Study on Social Relationship among Social Media Users : Focusing on the Weak-tie Formation of Social Network Theory (소셜미디어 사용자의 사회적 관계에 대한 연구 : 사회 연결망 이론의 약한 관계 형성 중심으로)

  • Park, Cha-La;Lim, Seong-Taek;Cha, Sang-Yun;Moon, Jee-Hyun;Lee, In-Seong;Kim, Jin-Woo
    • 한국HCI학회:학술대회논문집
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    • 2009.02a
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    • pp.1321-1329
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    • 2009
  • Web technology has allowed the rise of services such as blogs or YouTube that make possible the sharing of opinions, perspectives, and experiences with other users through contents. Online services that promote such sharing of information and communication are known as social media. Recently, the explosive growth of these services displays the carry-over of the natural sociality that all humans possess as social creatures. This study took an exploratory approach in investigating what influential relationships are involved in forming new relationships through sharing and participation, as sharing and participation are core keywords of social media. In order to do this, relationship formations were observed in actual usage environments with the use of the diary study method and in-depth interviews. This study sought to deduce necessary elements in relationship formations and examine the influences of weak ties on participation and sharing.

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Changes in Students'Science-Related Attitudes Through the Development and Application of Animation Module - With Focus on'Movement of the Solar System Unit in Middle School Science - (애니메이션 모듈 개발 및 적용을 통한 학생들의 과학과 관련된 태도변화 -중학교 과학과 '태양계의 운동' 단원을 중심으로-)

  • Cho, Kyu-Seong;Lee, Gwang-Ho;Park, Kyeong-Su
    • 한국지구과학회:학술대회논문집
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    • 2005.09a
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    • pp.304-314
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    • 2005
  • The present study aims to develop animation module-based teaching-learning materials for a unit of middle school 3rd grade science, which contains the movement of the solar system, through the utilization of various forms of multimedia elements. The developed materials consist of 12 in total flash animation modules covering ‘movement of the Earth,’ ‘movement of the Moon,’ movement of the Planets,‘ etc. To analyze the student responses to the science classes to which the developed animation modules were to be applied, the researcher selected for subjects two third-grade classes that were made up of 60 students and later divided for an experimental group and a control group in a middle school located in Jeonju. The experimental group was treated with the animation module-based lessons developed in the present study while the control group was taught in the traditional teacher-centered ways. Tests for the science-related attitudes of the two groups were administered and the results showed that the mean score of the experimental group was significantly higher than the mean score of the control group (p<0.05) in the categories of ‘interest’ and ‘scientific attitude’. It was thus believed that the animation module-based teaching has a positive effect on the categories of ‘interest’ and ‘scientific attitude’. To assess the qualitative dimension of the developed materials, the researcher subjected them to the utilization of the 30 local science teachers and afterwards a survey was done with the 8 crucial items taken from the WBI evaluation test developed by Multimedia Education Support Center in 1998. The result was broadly positive in terms of lesson design and from a technological point of view.

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An Analytical Study on the Types of Interior Space Design mage and Consisting Elements in the Fashion Specialty Store - Focused on the complex Fashion Specialty Store in own brand - (패션전문점의 실내공간 디자인 이미지 유형과 구성요소 분석연구 -자체브랜드 복합 패션전문점을 중심으로-)

  • 최상헌;최홍복
    • Korean Institute of Interior Design Journal
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    • no.15
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    • pp.3-16
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    • 1998
  • Fashion specialty store is based on one theme called "Fashion", to pursue originality of facilities in one concept from merchandising, environmental planning and facilities management and satisfy consumer's urge quantitatively as well as qualitative]y also congreqation of characteristic space, distingtion from commor store, not only selling goods but also jointly owned funtiona] space such as information and culture. So this research. with the importance of image. to present the basic information of interior design, study on the analyzing the type of image and the factor of composition focused on the complex fashion specialty store in own brand. Ana]yzing thr type of image with preliminary research and the first and second questionnair, with this make a comparision between the factor of composition and image. The conclusion was summertized as follows : '||'&'||'#8226; Firstly, the interior image of complex fashion specialty store in own brand divided into ;) different images, Such as :VIodern, Semi Classic. Hi-Tech Ylodern, Natural. and casual image '||'&'||'#8226; Secondly, according to the factor of composition is as follows, Such as Architecture, Surface. Furniture, Lighting and Display, the factor of composition is as follows : Architectura] factor divided into vertical. horizental. flexibility and exterior, Surface : material. and main color, Furniture : form and material. Lighting : lighting fixture and genera] lighting system, and Display: window and interior display . '||'&'||'#8226; Third]y, make a comparision of image. simple and feminine with Hi-Tech, Semi-Classic toward natural. complicated, feminine. and Low-Tech, Hi Tech ~.Iodern image, toward modem. natural. simple feel and somehow feminine. Natrual image, toward modem. natura], simple, and Hi Tech, Casual image toward modm, simple, and Hi Tech. '||'&'||'#8226; Fourthly, with builaing up new space, alteration infashion specialty store focused on the customers seiling space with rest and resources, also huge character is found in fashion specialty store

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Interpretation of Teacher Knowledge in Geometry with Shulman - Fischbein Framework: Cases of US Preservice Teachers (Shulman-Fischbein 개념틀을 활용한 예비 교사의 기하 영역에 대한 지식 해석 : 미국 예비교사들의 사례)

  • Kim, Ji Sun
    • Journal of the Korean School Mathematics Society
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    • v.21 no.2
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    • pp.113-139
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    • 2018
  • There is no doubt about the importance of teacher knowledge for good teaching. Many researches attempted to conceptualize elements and features of teacher knowledge for teaching in a quantitative way. Unlike existing researches, this article suggests an interpretation of preservice teacher knowledge in the field of geometry using the Shulman - Fischbein framework in a qualitative way. Seven female preservice teachers voluntarily participated in this research and they performed a series of written tasks that asked their subject matter knowledge (SMK) and pedagogical content knowledge (PCK). Their responses were analyzed according to mathematical algorithmic -, formal -, and intuitive - SMK and PCK. The interpretation revealed that preservice teachers had overally strong SMK, their deeply rooted SMK did not change, their SMK affected their PCK, they had appropriate PCK with regard to knowledge of student, and they tended to less focus on mathematical intuitive - PCK when they considered instructional strategies. The understanding of preservice teachers' knowledge throughout the analysis using Shulman-Fischbein framework will be able to help design teacher preparation programs.

Electrorefining Characteristics of Uranium by Using a Graphite Cathode (흑연 전극을 이용한 우라늄 전해정련 특성)

  • Kang, Young-Ho;Lee, Jong-Hyeon;Hwang, Sung-Chan;Shim, Joon-Bo;Kim, Eung-Ho
    • Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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    • v.5 no.1
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    • pp.1-7
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    • 2007
  • Electrorefining experiments were successfully carried out in LiCl-KCl eutectic molten salt with a graphite cathode. It was found that the formation of Uranium-Graphite intercalation compound(U-GIC) helped the self-scraping mechanism of the uranium dendrite and the efficiency of the electrorefiner increased due to an elimination of the stripping step. The contaminations of the uranium deposit by rare earth elements was negligible while about 300 ppm of carbon was observed. The carbon contamination is believed to be eliminated by further purification by yttrium reaction. The morphology characteristics of the recovered U deposit was compared to that of steel cathode. These are only qualitative preliminary experimental results, but we believe that further research on this type of activity change the direction of the electrorefining research on spent nuclear fuel.

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A Study on the Development of Eco-friendly Environmental Indicators for Saemangeum Project (새만금사업의 친환경개발지표 설정 연구)

  • Ryu, Jae-Hong;Lee, Sang-Hoon;Koo, Ja-Kon
    • Journal of Environmental Impact Assessment
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    • v.15 no.4
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    • pp.279-288
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    • 2006
  • Saemangeum reclamation project was started in 1991 with the purpose of eco-friendly reclamation, but without clear definition of eco-friendliness. This study was carried out to find out the environmental indicators to define and evaluate the eco-friendliness of Saemangeum project. The methodology to identify the indicators included the analysis of similar reclamation projects, professional discussions, and Delphi survey. The eco-friendly indicators are theoretically based on the five elements of eco-friendliness; 1) resource consumption, 2) energy consumption, 3) pollution emission, 4) bio-diversity, 5) social amenity. The 69 indicators were explained in detail for the convenient use of the indicators by the potential users. The 69 indicators were classified into three categories such as pre-evaluation, process evaluation, and post-evaluation. In terms of spatial consideration, the 69 indicators were classified into two categories such as direct influence area and indirect influence area. Also the 69 indicators were classified into 7 categories: 1) sea, 2) lake, 3) agricultural land use, 4) industrial land use, 5) residential land use, 6) tourism land use, and 7) environmental land use. Twenty core indicators were selected from the 69 indicators by surveying the importance of each indicator. The core indicators are recommended in case of time and budget strain. When there are few quantitative data accumulated for the reclamation project, 5 macro indicators are recommended to be used. Macro indicators are qualitative in nature, and may be used in order to evaluate the overall eco-friendliness of a reclamation project.

Interpretation of the Chemical Transformation of Individual Asian Dust Particles Collected on the Western Coast of Korean Peninsula

  • Ma, Chang-Jin;Kim, Jong-Ho;Kim, Ki-Hyun
    • Asian Journal of Atmospheric Environment
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    • v.6 no.1
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    • pp.14-22
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    • 2012
  • This paper is focused on the comprehensive and detailed interpretation for the chemical transformation of individual Asian dust (hereafter called "AD") particles during long-range transport from source regions to receptor area. A multi-stage particle sampler was operated at a ground-based site in Taean, Korea directly exposed to the outflow of air masses from China during AD period in April 2003. Both quantitative and qualitative analyses for size-classified individual particles were carried out by a microbeam X-ray fluorescence (XRF) method and a microbeam Particle Induced X-ray Emission (micro-PIXE), respectively. Among major characteristic elements, the elemental masses of soil derived components, sulfur, and chloride varied as a function of particle size showing the monomodal maximum with a steeply increasing at 3.3-4.7 ${\mu}m$ particle size. Although the details on chemical composition of AD particle collected on a straight line from source area to our ground-based site are needed, a large amount of Cl coexisted in and/or on AD particles suggests that AD particles collected in the present study might be actively engaged in chemical transformation by sea-salt and other Cl containing pollutants emitted from the China's domestic sources. Through the statistical analyses it was possible to classify individual AD particles into six distinct groups. The internally mixed AD particles with Cl, which has various sources (e.g., sea-salt, coal combustion origin HCl, gaseous HCl derived from the adsorption of acids to sea-salt, and Cl containing man-made particles) were thoroughly fractionated by the elemental spectra drivened by the double detector system of micro-PIXE.

Study on Performance Evaluation of Academic Information Distribution Project in Scientific Technology Field (과학기술분야 학술정보 유통사업 성과평가에 관한 연구)

  • Kwak, Seung-Jin;Kim, Jeong-Taek;Park, Yong-Jae
    • Journal of Korean Library and Information Science Society
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    • v.38 no.4
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    • pp.441-462
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    • 2007
  • As country try expand R&D investment and enhance its efficiency to improve the national competitiveness, research is needed to conduct qualitative enhancement and derive progressive future strategy in relation to the academic information distribution project in scientific technology field. In this study, BSC-based performance indicators were applied to an institute that is the representative of domestic academic information distribution institutes in the field of scientific technology to evaluate project performance, and then to analyze portfolio of using such evaluation results. As for the items of evaluation for the performance indicators of academic information distribution project in the scientific technology field, 12 items that includes information resource quality, information service quality, user satisfaction and economically useful value of academic information from four(4) viewpoints such as information resource, information service, user and economic viewpoints. In the portfolio analysis, it was conducted by performance indicators and by elements of the individual performance indicators as well. Based on the results of performance evaluation and portfolio analysis, the improvement method by viewpoints on academic information distribution project of an institute was suggested.

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The Modernization of Fishery Technology and Local Changes in GeomunDo Island, Korea (거문도의 근대적 어업 기술 도입에 따른 지역 변화)

  • Lee, Chul-Woo;Pack, Min-Joung
    • Journal of the Korean association of regional geographers
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    • v.15 no.4
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    • pp.435-448
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    • 2009
  • This paper aims to examine the local changes in which the introduction of new fishery technology in small remote island, Geomun-Do, had resulted. The main findings are as follows. With the help of introduction of new fishery technology, local fishery industry transformed self-sufficient one into commercial one. This led to increase in the productivity of fishery industry and, subsequently, the emergence of new social system and processing facilities. The growth of fisheries, which led the opening of fishing market and the development of processing industry, made it change local industrial structure. This paper focused particularly on local cultural transformation revealed in the process of the introduction of new fishery technology. In conclusion, the paper argues that the pace of cultural transformation can be selectively appeared by the qualitative characteristics of locality and social group, when new cultural elements are introduced and adapted to a certain locality.

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The Component Analysis of Foreign Substance Occurred in Water Distribution Networks (상수관망에서 발생하는 이물질의 성분분석)

  • Choi, Min-Ah;Kim, Do-Hwan;Bae, Chul-Ho;Lee, Doojin;Choi, Doo Yong
    • Journal of Korean Society of Environmental Engineers
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    • v.36 no.9
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    • pp.614-623
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    • 2014
  • Customers water quality complaints by foreign substance in local water service can be able to call the main cause bring the distrust for tap water and inhibiting the rate of drinking water. In this study, foreign substances were collected in the target region. Foreign objects were subjected to qualitative and quantitative analysis of compounds and elements components to reveal the cause of detection. Also, resolve the complaints by foreign substance and improve the reliability for tap water providing high quality water supply scheme. Collected substances at the water quality complaint area were included in inorganic compounds due to internal corrosion and aging pipeline, as well as organic compounds containing a large amount of carbon (C) and oxygen (O) component. To decide and reduce for foreign substance, objective assessment of pipe condition in target area was required.