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      • KCI등재

        초등 AI 융합교육 프로그램의 교육 효과성 분석

        이재호,이승훈,이동형,Lee, Jaeho,Lee, Seunghoon,Lee, Donghyeong 한국정보교육학회 2021 정보교육학회논문지 Vol.25 No.3

        본 연구의 목적은 AI 융합교육 프로그램의 교육 효과성을 분석하는 것이다. 이를 위해 선행연구에서 개발한 '머신러닝의 개념을 지도하기 위한 초등 과학 AI 융합교육 프로그램' 총 8차시를 초등학생 4~6학년을 대상으로 교육한 후, 'AI 기술에 대한 태도, 과학선호도, 융합인재소양' 검사 도구를 이용하여 단일집단 사전-사후검사를 진행했다. 각 요인의 정량적 변화는 R 프로그램을 이용하여 분석하였고, 피어슨 상관계수를 이용한 상관분석 및 대응표본 t-검정을 통해 교육 효과성을 분석하였다. 그 결과, 'AI 기술에 대한 태도, 과학선호도, 융합인재소양' 모든 요소에 깊은 상관관계가 있었으며, 대부분의 요소에서 기술적 평균이 향상되었다. 따라서, AI 융합교육 프로그램은 교육적으로 유의미하며, 초등 정규 교육과정에 AI 교육 및 AI 융합교육이 도입된다면 긍정적인 교육 효과를 얻을 수 있을 것으로 기대한다. The purpose of this study is to analyze the effectiveness of AI convergence education program. To this end, the "Elementary Science AI Convergence Education Program for Machine Learning" developed in previous research were taught to elementary school students in the fourth to sixth grades in eight times. The quantitative changes of each factor were analyzed by R program, and the effectiveness of education was analyzed by Pearson correlation and paired samples t-test. As a result, there is a deep correlation between "Attitude to AI technology, Scientific preference and STEAM Literacy" and technical average has improved in many factors. Therefore, AI convergence education program is meaningful in terms of education, and if AI education and AI convergence education are implemented into the primary formal education curriculum, they will have a positive effect.

      • KCI등재

        중권역 대표지점의 목표수질 달성도 평가 - TOC를 중심으로 -

        이재호,이승현,이수형,이재관,Lee, Jaeho,Lee, Seunghyun,Lee, Soohyung,Lee, Jaekwan 한국물환경학회 2017 한국물환경학회지 Vol.33 No.5

        The attainment ratios of the water quality goals of the 114 mid-watershed representative stations, examined during the period2011 to 2015, were evaluated in the study. Of the four major river basins, the attainment ratio on water quality goal of the Geum River basin turned out to be the lowest. As a result of formal evaluation of the attainment ratios of BOD, COD and TOC, it was found that the attainment ratio of COD was much lower than that of BOD and TOC (I a circumstance thought to be caused by the higher COD/BOD and COD/TOC ratios of the water quality of the river than those of the environmental water quality standard). As well, higher COD/BOD and COD/TOC of wastewater discharged from point and non-point sources (other than those of the environmental water quality standards) might possibly represent one of the reasons. We also compared attainment ratio between the main stream and tributaries, which indicated that the higher attainment ratio was present in the main stream. The attainment ratio is also documented as more significant in the winter season than the summer season, possibly due to the contribution of non-point pollutants swept in by rain during the summer season during documented periods of high precipitation. Thus, water quality management in summer season and improvement of water quality of the tributaries might be important as a means of increasing attainment ratio on water quality goal.

      • KCI등재

        AI 융합 교육이 초등학생의 AI 인식에 미치는 영향

        이재호,이승규,이승훈,Lee, Jaeho,Lee, Seunggyu,Lee, Seunghoon 한국정보교육학회 2021 정보교육학회논문지 Vol.25 No.3

        4차 산업혁명 시대에 인공지능의 중요성은 나날이 커지고 있으며, 인공지능 교육이 미래에 큰 혁신을 가져오리라는 것에 대해 이견이 없다. 인공지능 교육을 위해 다양한 시도가 이루어지고 있지만, 인공지능 교육에 대한 경험이 없는 학생들은 인공지능을 어렵고 두려운 대상으로만 인식하고 있다. 이에 본 연구에서는 인공지능 융합교육을 시행한 후에 학생들의 인공지능에 대한 인식 변화를 분석하였다. 인공지능 융합 교육을 초등학교 6학년 학생들을 대상으로 6차시 동안 진행하였으며, 인공지능에 관한 관심, 인공지능이 가지고 올 변화, 인공지능 교육에 대한 이해 등 인공지능 인식조사 설문지를 바탕으로 사전-사후검사를 진행하였다. 그 결과 모든 요소에서 인공지능 융합 교육을 통하여 인공지능에 대한 인식 정도가 향상되었다는 유의미한 결과를 확인하였다. 인공지능 융합 교육이 사회적인 요구와 미래 학생을 위한 교육으로써의 역할을 충실히 수행하기 위해서는 다양한 인공지능 융합 교육 프로그램의 개발이 필요하며, 이를 바탕으로 학생 중심의 교육 실행이 필요할 것이다. In the era of the fourth industrial revolution, the importance of artificial intelligence(AI) is growing day by day, and there is no disagreement that AI education will bring great innovation in the future. Various attempts are being made to educate the topic of AI, but students who have no experience in AI education recognize AI only as a difficult target. Therefore, in this study, we analyze the changes in students' perception of AI by teaching them using AI. AI convergence education were conducted for 6th grade elementary school students, and pre and post tests were conducted in the form of AI awareness survey questionnaires which included questions such as interest in AI, changes brought by AI, and AI education. As a result, we confirm significant results that suggest the level of awareness of AI has improved through AI education in all factors. AI convergence education requires various AI convergence education programs as a form of education for social needs and future students, and hopefully a design based on this will help realize student centered education.

      • KCI등재후보

        의료정보기술은 환자안전을 향상시키는가?

        이재호,Lee, JaeHo 한국의료질향상학회 2013 Quality improvement in health care Vol.19 No.1

        Health information technology (HIT) is one of the most familiar tools to healthcare providers. It is used in routine practice to reduce cost, to improve clinical performance, and to improve patient safety. Patient safety is the driving force of recent expansion of HIT industry. But there are many evidences that it can be harmful to patient safety. Role of HIT and HIT-related error became big issues because more and more healthcare providers and healthcare organizations are willing to adopt it. Adoption rate of HIT in Korea is higher than that of United States. But researches of HIT regarding patient safety are rare. In this article, types of HIT, their mechanisms of improving patient safety and HIT-related errors were reviewed. Status of HIT in terms of patient safety in Korea was also reviewed. Knowledge of how HIT can improve patient safety, its' limitation, and how to make it safer is crucial to whom have to use it to improve patient safety. Impact of HIT on patient safety must be evaluated actively in Korea. HIT which was proven to improve patient safety must be widely adopted. Government must prepare a strategic plan to improve HIT quality, support hospitals financially and institutionally to introduce qualified HIT, and develop HIT infrastructures and standard designed for patient safety.

      • KCI등재

        함정 전투체계의 3화면 다기능콘솔 설계를 위한 인간공학적 분석 기법 연구

        이재호,윤상영,김현실,Lee, Jaeho,Yoon, Sangyoung,Kim, Hyunsil 한국군사과학기술학회 2020 한국군사과학기술학회지 Vol.23 No.2

        This paper proposes a 3-screen multi-function console development method using ergonomic design approach. Ergonomically designed console has the advantage of decreasing operator fatigue and increasing concentration by providing better readability, operability and convenience. For this, thirty subjects participated in the experiment for 3-screen multi-function console design. Ergonomic standards of console design were used to establish experiment design and to eliminate incompatible results with ergonomic standards. Subjects evaluated the nine predefined placements of displays and asked to place the display and controllers in order to use comfortably. As a results, total 18 design criteria including displays and controllers placement were determined.

      • KCI등재

        페루 중부 오욘 다중금속 광화작용에 대한 조사보고

        이재호,김인준,남형태,Lee, Jaeho,Kim, Injoon,Nam, Hyeong-tae 대한자원환경지질학회 2017 자원환경지질 Vol.50 No.1

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        조사광산들은 페루 중부 오욘지역 다중금속 광화대내 다양한 형태로 부존하고 있다. Iscaycruz Zn-Cu-Pb 광산은 다금속 교대 및 스카른 광상으로, 상부에 백악기 퇴적물이 놓여있는 이토질의 쥐라기 퇴적물로 형성된 퇴적암 층군내에 배태한다. 이 층군내 화성암의 관입은 다금속 광화작용을 발생시켰다. Raura Pb-Zn-Cu 광산은 백악기 마차이(Machay) 석회암층이 퇴적되어 있으며, 섬록반암이 관입과 연관된 암맥들에 의해 광화작용이 발달한다. 여러 개의 광체가 발달하고 있으며, 그 중 카투보(Catuvo)광체는 Pb-Zn 광물이 우세하게, 니나코차(Ninacoha)광체는 Ag가 풍부한 방연석이 산출된다. 에스페란자(Esperanza)광체와 레스토라도라(Restauradora) Cu-Ag 광체는 맥상으로 수많은 소규모의 구조에 의해 광화작용이 규제되고 있다. Huaron 광산은 Ag, Pb, Zn Cu 광화작용에 의해 형성된 열수다중금속광상으로, Huaron 배사구조내에 주로 위치하는 몬조나이트 암맥의 관입과 관련된 구조내에서 발달한다. 광화작용은 주요 단층계에 평행한 맥상으로, 역암과 기타 적합한 층서면의 탄산염부분과 관련된 "manto"로 알려진 교대광체로, 그리고 맥의 교차점에서 몬조나이트 관입체내 광염상으로 나타난다. The surveyed mines are located in a polymetallic vein, replacement, and skarn mineral district in the central Andes of Peru. Iscaycruz, which includes underground and open pit mines that produce zinc and lead concentrates, was the largest mineral deposit of an important group of base metal deposits in the Andes of central Peru. The deposits are sub-vertical seams of polymetallic ores(Zn, Cu, and Pb). These seams are hosted by Jurassic and Cretaceous sedimentary rock formation. The intrusion of igneous rocks in these formations originated metallic deposits of metasomatic and skarn types. The Raura mine is composed of polymetallic deposit of veins and replacement orebodies. The main sedimentary unit in the area is Cretaceous Machay Limestone. The Raura depression contains several orebodies each with different mineralization: predominantly Pb-Zn bearing Catuvo orebody; Ag-rich galena-bearing Lake Ninacocha orebody; Cu-Ag bearing Esperanza and Restauradora orebody. Huaron is a hydrothermal polymetallic deposit of silver, lead, zinc, and copper mineralization hosted within structures likely related to the intrusion of monzonite dikes, principally located within the Huaron anticline. Mineralization is encountered in veins parallel to the main fault systems, in replacement bodies known as "mantos" associated with the calcareous sections of the conglomerates and other favourable stratigraphic horizons, and as dissemination in the monzonitic intrusions at vein intersections.

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