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Characteristics of Pre-Service Secondary Mathematics Teachers' Anticipating Through the Task Dialogue Activity (과제대화록 작성하기를 통한 중등수학 예비교사의 예상하기 특징 분석)

  • Kim, Ji Soo;Lee, Soo Jin
    • Journal of Educational Research in Mathematics
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    • v.27 no.3
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    • pp.511-536
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    • 2017
  • The present study aims to investigate ways in which pre-service secondary mathematics teachers anticipate 1) students' responses to specific mathematical tasks which are chosen or devised by the participating pre-service teachers as requiring students' higher cognitive demand and, 2) their roles as math teachers to scaffold students' mathematical thinking. To achieve the goal, we had our pre-service teachers to engage in an adapted version of Spangler & Hallman-Thrasher(2014)'s Task Dialogue writing activity whose focus was to develop pre-service elementary teachers' ability to orchestrate mathematical discussion. 14 pre-service teachers who were junior at the time enrolled in the Mathematics Teaching Method Course were subjects of the current study. In-depth analysis of both Task Dialogues which pre-service secondary mathematics teachers wrote and audiotapes of the group discussions while they wrote the dialogues suggests the following results: First, the pre-service secondary teachers anticipated how students would approach a task based on their own teaching experiences. Second, they were challenged not only to anticipate more than one correct students' responses but to generate questions for the predicted correct-responses to bring forth students' divergent thinking. Finally, although they were aware that students' knowledge should be the crucial element guiding their decision-making process in teaching, they tended to lower the cognitive demands of tasks by providing students with too much guidance which brought forth the use of procedural knowledge. The study contributes to the field as it provides insights as to what to attend in designing teacher education course whose goal is to provide a foundation for developing pre-service teachers' ability to effectively orchestrate mathematical discussion.

A Study on the Patient-centered Medical Delivery System -Focusing on EU examples of strengthening primary care- (환자 중심의 의료전달체계 구축에 관한 연구 -일차 의료 강화와 관련된 유럽연합의 예를 중심으로-)

  • Kim, Yong-Min
    • The Korean Society of Law and Medicine
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    • v.20 no.3
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    • pp.235-262
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    • 2019
  • While traditionally threatening human infectious diseases are decreasing, chronic diseases such as cancer and diabetes, including cardiovascular diseases, are spreading rapidly. Reflecting the characteristics of chronic diseases that are difficult to treat, the management of risk factors and the preparation of health promotion policies corresponding to them have emerged as important concerns around the world. Providing so-called multi-sector approach such as health promotion and disease prevention policy and solution for community response, The value of primary care is once again highlighted in the changed medical environment. As the existing medical delivery system has become difficult to cope with the people's desire for rapid aging, disease paradigm change, and quality of life improvement, European Union countries have made various efforts to improve the quality of their primary medical system, which provides continuous, com- prehensive and coordinated management. This paper examines the current status and problems of the healthcare delivery system in Korea, draws implications from the European Union examples related to the strengthening of primary care, and discusses the plans for establishing a patient-centered future medical delivery system.

A Study on the Water Quality Simulation in the Midstream and Downstream of Geum-River (금강 중하류에서의 수질모의에 관한 연구)

  • Sin, Jae-Gi;Im, Chang-Su
    • Journal of Korea Water Resources Association
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    • v.33 no.2
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    • pp.145-157
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    • 2000
  • The Water Quality Analysis Simulation Program 5 (WASP5) and HEC-2 models have been coupled and applied to find the possibility of simulation of long-term river water quality variation. The EUTR05 as a simulator of water quality simulation in WASPS model was used to simulate the water quality variables in the downstream of Geum-River from Daechung multi-purpose dam during the dry period. The water quality and flow rate conditions have been measured at the stage measurement stations located in the downstream of Geum-River from Daechung dam in December, 1998 and January and March, 1999. The water quality simulation model was calibrated with January data of 1999, and verified with December data of 1998 and March data of 1999. The trend of longitudinal variation of water quality variables simulated by model is consistent with that of measured water quality constituents except chlorophyll-a, $BOD_5,\;NH_3-N\;and\;PO_4-P$ simulated with March data of 1999. Furthennore, the chlorophyll a concentration in the mainstream of Geum-River was simulated by changing the concentrations of $PO_4-P$ and/or $NH_4-N$ flowing into the mainstream of Geum-River from Gabcheon and Mihocheon. The variation of chlorophyll a concentration in the mainstream was almost ignorable except only when $NH_3-N\;and\;PO_4-P$ concentrations decreased by 70% flow into the mainstream from Gabcheon and Mihocheon.

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A Study on Evaluation of Water Supply Capacity with Coordinated Weirs and Multi-reservoir Operating Model (댐-보 최적 연계운영을 통한 용수공급능력 평가에 관한 연구)

  • Chae, Sun-Il;Kim, Jae-Hee;Kim, Sheung-Kown
    • Journal of Korea Water Resources Association
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    • v.45 no.8
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    • pp.839-851
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    • 2012
  • When we evaluate the water supply capacity of a river basin, it is a common practice to gradually increase the water demand and check if the water demands are met. This practice is not only used in the simulation approach, but also in the optimization approach. However, this trial and error approach is a tedious task. Hence, we propose a two-phase method. In the first phase, by assuming that the decision maker has complete information on inflow data, we use a goal programming model that can generate the maximum water supply capacity at one time. In the second phase, we simulate the real-time operation for the critical period by utilizing the water supply capacity given by the goal programming model under the condition that there is no foresight of inflow. We applied the two-phase method to the Geum-River basin, where multi-purpose weirs were newly constructed. By comparing the results of the goal programming model with those of the real-time simulation model we could comprehend and estimate the effect of perfect inflow data on the water supply capacity.

Water Governance and Basic Water Law (물거버넌스와 물관리기본법)

  • Lee, Seung-Ho;Kim, Sung
    • Proceedings of the Korea Water Resources Association Conference
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    • 2009.05a
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    • pp.385-389
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    • 2009
  • 본 연구의 목적은 물거버넌스 개념과 1997년, 2006년 물관리기본법안 분석을 통해 한국의 새로운 물관리 체제를 모색하는 것이다. 물거버넌스는 물관리정책과 계획의 수립, 시행, 평가에 있어 정부뿐만 아니라 일반 기업, 시민, 환경단체, 전문가 등 여러 이해당사자를 참여시키는 것을 핵심으로 한다. 거버넌스란 기존의 정부 주도의 정책 계획, 수립, 시행이 아닌 비정부 조직과의 타협, 협의, 논의를 통한 양방향 정책결정 과정을 뜻한다. 따라서 물거버넌스의 가장 중요한 원칙은 다양한 이해당사자 참여를 통한 정책결정의 복수화 과정이다. 한국의 물거버넌스를 시행하기 위해 가장 필요한 요건은 이해당사자 참여를 우선 중앙, 지방정부에서 그 필요성을 인식하고 법, 제도 등을 통해 제도화하는 것이다. 환경부 주도로 입안된 1997년 물관리기본법안은 물관리일원화, 적정사용, 유역관리, 비용부담, 균형배분의 5원칙을, 2006년 물관리기본법안은 물관리일원화 대신 통합물관리, 적정사용 대신 수요관리를 삽입하여 5원칙을 제시하였지만 이해당사자 참여는 원칙에 포함시키지 않았다. 이해당사자 참여 원칙의 제도화가 없이는 위의 두 법안이 제시한 원칙의 적용과 시행이 어려움에 봉착할 가능성이 높다. 왜냐하면 다른 원칙은 다양한 이해당사자 참여를 통한 사회적 합의 없이는 시행이 쉽지 않은 정치적으로 민감한 사항들이기 때문이다. 예를 들어 물의 균형배분 원칙 관련, 만약 상류와 하류 주민 간의 합의가 없이 어느 한 이해당사자의 일방적 행위가 있을 경우 큰 갈등을 유발할 수 있다. 물거버넌스을 실행하기 위해 중앙에 필요한 조직은 물이용 관련 물분쟁 발생 시 이를 조정하고 국가물관리계획을 수립하며 물관리 문제 전반을 총괄하는 조직이다. 1997년, 2006년 기본법안은 국가물관리위원회 설치를 제시하였고 2006년 기본법안에서 보다 구체적으로 위상, 운영, 역할 등에 대해 언급하였다. 하지만 국가물관리위원회는 물관련 중앙부처의 장, 지방행정조직의 장만을 포함하여 유역관리를 책임질 유역관리조직의 장에 대한 언급이 없다. 물거버넌스 실현을 위한 유역관리 시행이 바람직하기에 유역관리조직의 장도 국가물관리위원회에 참여하는 것이 바람직하다. 또한 두 기본법안 모두 국무총리실 산하에 위원회를 속하게 하였는데 이를 수정하여 대통령 직속기구로 규정하는 것이 국가물관리위원회가 정치, 행정, 재정적 압력에서 벗어나 일관성 있는 정책을 펼 수 있는 지름길이 될 것이다. 또한 지방의 물문제를 물관리계획에 적절히 반영하고 대응방안을 수립, 시행하기 위해서는 정부 관료뿐만 아니라 지방의회 의원, 환경단체, 기업, 시민, 전문가 등의 다양한 이해당사자가 참여하는 유역위원회가 필수적이다. 또한 유역 관련 물관리계획을 수립하고 사업을 추진하는 유역관리청도 필요하다. 유역위원회와 유역관리청은 유역 내 여러 이해당사자들이 물관리에 대해 다양한 의견을 개진하고 토론하며 합의점에 이르는 거버넌스를 수립할 수 있는 중요한 조직이다. 두 기본법안은 유역관리 원칙을 제시하긴 하였지만 유역관리 시행 관련 조직, 역할, 운영 등에 대해서는 언급이 없었다. 한국의 물관리는 소득, 문화 수준 향상으로 인한 양질의 물공급에 대한 요구, 시민사회의 발전, 지방분권화 등 정치, 경제, 사회의 변화를 수용하고 발전해 나가기 위해서는 여러 이해당사자의 참여와 합의에 바탕을 둔 물거버넌스 수립이 무엇보다 중요하다. 또한 이를 시행하기 위해서는 물관리기본법을 하루 속히 제정하여 제도적 기반을 갖춰 보다 효율적인 물관리시스템을 수립해야 한다.

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A study on the Methodology of Extracting the Poor Deprived Districts by Using Geospatial Information (국토정보를 활용한 빈곤·취약지구 추출 방법에 관한 연구)

  • Lee, Hee-Yeon;An, Eun-Kyung
    • Journal of Cadastre & Land InformatiX
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    • v.46 no.2
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    • pp.5-25
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    • 2016
  • The purpose of this study develops the methodology to extract the poor deprived districts using the data from the national spatial data infrastructure portal. Particularly this study tries to select more acute indicators and to test the operability of such indicators. Also this study is focused on the versatile methodology that can be adjusted to incorporate alternative indicators that might be appropriate according to the hierarchy of the spatial unit. The indicator sets are composed of three dimensions: the poor class, the poor old housing, and poor residential neighborhood environment. Each representative indicator is selected based on the characteristics of the poor deprived districts. As a result, at the level of administrative Dong, key indicators for extracting the poor deprived districts are number of recipients of national basic living security per thousand persons and ratio of households living at old detached house. At the level of the national based zip code district, the ratio of buildings built on parcels located at roads below 4m in width, the ratio of small parcels below $60m^2$ and the ratio of poor old buildings are very important indicators. The result of grid analysis by overlaying the coverage of multiple indicators shows that relatively more vulnerable and deprived districts can be extracted at the small sub-district level. This study suggests the possibility to create the high value-added information, using the data from the national spatial data infrastructure portal. This methodology enables policymakers to select the priority target districts of poor deprived district more effectively.

A Study on the Advance Effect of Hitting Sense in Shooting Game -Center for 'the Beetlewing' and '1945 Plus'- (슈팅게임에서의 타격감 향상 효과에 관한 연구 -'비틀윙'과 '1945플러스'를 중심으로-)

  • 김남훈;김태완
    • Journal of Korea Multimedia Society
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    • v.7 no.2
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    • pp.223-230
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    • 2004
  • A shooting game is all game genres that hit targets through shooting. It include a lot of genres from a flying shot of game room to a personal shooting action game. In this point, a shooting game was regarded it as the origin of all game and it was developed from the early days of game. At present we can meet it in an electronic game room or personal computer, and mobile phone etc.. The popularity of shooting game caused to take aim by simple system, interface, and speedy play. Also it was enticed everyone to enjoy it easily. A shooting games is worked from old like ways until recently and a process of playing game is intuitive than another game. Therefore it popular with a PC player as well as persons of all levels. Beginners can train this game easily through direction such as control way of object, advent way of enemy aircraft and scroll way of background. But as an usability of working and controlling game, beginners of game development can pass over a shooting sense that shout and hit basically. And after design, they will feel that cannot convey realistic effect and thrill etc.. At a result, hitting sense happens to graphic elements and sound. Therefore a measure of effect on these elements is started from analysis of good shooting game. This study was to focus on the advance effect of hitting sense in shooting game through analysis centered for 'the Beetlewing' and '1945 Plus'.

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PRECIPITABLE WATER VAPOR CONDITIONS FOR INFRARED OBSERVATIONS AT KOREAN ASTRONOMICAL OBSERVATORIES (국내 천문대 상공의 수증기량 조건과 적외선 관측)

  • Lee, Sung-Ho;Baek, Jeong-Ho;Moon, Bong-Kon;Jin, Ho;Cho, Jung-Ho;Cha, Sang-Mok;Cho, Seoung-Hyun;Park, Yung-Sik;Yuk, In-Soo;Nam, Uk-Won;Pak, Soo-Jong
    • Journal of Astronomy and Space Sciences
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    • v.24 no.4
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    • pp.339-348
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    • 2007
  • KASINICS (Korea Astronomy and Space Science Institute Near Infrared Camera System) is equipped with a InSb array which can observe $1-5\;{\mu}m$ bands in near-infrared. The absorption and emission by telluric water vapor becomes serious in the bands longer than $3\;{\mu}m$. We measured PWV (precipitable Water Vapor) levels above Bohyusan Optical Astronomy Observatory and Sobaeksan Optical Astronomy Observatory from July 2006 to August 2007 using the GPS PWV measurement system of KASI. We found that monthly averaged PWVs are lower than the prediction using dew-point temperature and as low as above Kitt Peak from September to February.

The Effects of Economic Conditions on Capital Structure : Evidence from Korean Shipping Firms (경기변화를 고려한 해운기업의 자본구조에 관한 실증연구)

  • Lee, Sung-Yhun
    • Journal of Navigation and Port Research
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    • v.40 no.6
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    • pp.451-458
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    • 2016
  • Since Modigliani and Miller developed their theory of capital structure in 1958, it has become one of the most debated issues in corporate management. This is because the capital structure decision necessarily affects financial risk and the firm's value. Throughout the research, one of the most concerning problems is determining what factors influence the firm's capital structure. Since Korean shipping firms have been suffering from a long term economic recession, an optimal capital structure has become increasingly critical to survive in the shipping industry. This paper studies panel data on 46 Korean shipping companies since 2000 to find the factors that affect capital structure. The results suggest that a negative relationship arises between firm size, tangible assets, profitability and non-debt tax shields against leverage. Otherwise, it proved that growth opportunity has a positive relationship with the firm's leverage. In the research model during a booming shipping economy, growth opportunity and non-debt tax shield are not associated with firm's capital structure.

A Study on Weight of SWOT Factors for Korea Food Service Franchise Entrepreneur (국내 외식프랜차이즈의 창업을 위한 SWOT요인의 중요도에 관한 연구)

  • Choi, Chae-Bong;Lee, Sang-Suk
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.12 no.5
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    • pp.141-162
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    • 2017
  • The International Monetary Fund (IMF) crisis introduced a system for easy layoffs. With recent economic downturn, employees have been asked to retire early and less new jobs have become available. More small businesses as a result have been started. The purpose of this research is to study weight and ranking on SWOT factors of korea food service franchise industry using the SWOT analysis. The Analytic Hierarchy Process (AHP) and Analytic Network Process (ANP) were used to analyze the SWOT found by the surveys. First, the SWOT analysis shows that the franchise owners and the expert group view the industry positively overall and there are more strengths, opportunities than weaknesses, threats. While there are negatives and threats to the industry overall, many people think that there are more opportunities and positive aspects. Second, the franchise owners rank proven business model and platform (S3) as the strongest strength of food service franchise businesses while the expert group ranks management supports (S2) from headquarters as the strongest strength. Third, the expert group and franchise owner group indicate that the weight on unfair franchise contracts with headquarters(W3) and high penalty from breaking a franchise agreement(W4) are 60% of weaknesses. Fourth, both the expert group and franchise owner group indicate that change in people's lifestyle, value system and consumption pattern(O3) as the most important opportunity. Fifth, both groups indicate that changes in consumption pattern(T1) due to ever changing food service industry as the biggest threat. It is ranked higher than the entry of korea food service franchises.

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