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      • KCI등재

        한국판 보건의료계열 직업 선택 및 간호사 직업 선택 척도의 타당화 연구: 국내 보건전공 대학생을 대상으로

        김선경Kim,Sun Kyung,김선애Kim,Sun Ae,김유미Kim,Yu Mi 학습자중심교과교육학회 2019 학습자중심교과교육연구 Vol.19 No.23

        본 연구는 보건의료계열 전공 학생들과 간호학 전공 학생들의 직업 선택에 영향을 미치는 요인을 알아내고자 개발된 Health career choice and nursing career choice (HCC-NCC)도구를 한국어판으로 번역 후 타당도와 신뢰도를 알아보고자 시 행되었다. 2019년 5월부터 9월까지 4개 지역 6개 대학의 450명의 보건의료계열과 간호학 전공 학생이 연구에 참여하였다. SPSS와 AMOS를 활용 수집된 자료로 문항분석, 탐색적 요인분석, 확인적 요인분석 및 기존의 희망직업 척도와 간호사 이미지 도구와의 동시타당도가 분석되었다. 문항분석과 탐색적 요인분석 결과 5요인 21문항의 한국어판 HCC-NCC도구가 도출되었고 확인적 요인분석을 통한 모델의 적정성이검증 되었다. 기존의 희망직업 척도와 간호사 이미지 도구와의 유의한 상관관계가 확인되었다. 한국어판 HCC-NCC도구의 활용을 통해 다른 보건의료계열과 구분되는 각 전공의 직업선택 요인에 대한 의미있는 근거를 제시 할 것이다. 또한 다른 보건의료계열 전공과 구분되는 간호학의 긍정적인 이미지를 활용 간호학 전공 신입생 유치에 적극 활용 가능 할 것이다. The purpose of this study was to investigate the validity and reliability of the Health Care Choice and Nursing Career Choice (HCC-NCC) tool, which was developed to find out the factors that influence the career choice of health care majors and nursing students. Data were collected from May to September 2017. Study participants were 450 healthcare and nursing students from 6 universities located in 4 districts in Korea. Data were analyzed by exploratory factor analysis, confirmatory factor analysis, validity of the existing Select Job Scale and Nurse Image scale by using SPSS and AMOS. As a result of item analysis and exploratory factor analysis, the Korean version of the HCC-NCC tool of 5 factors and 21 items was derived, and the adequacy of the model was verified through confirmatory factor analysis. Significant correlation was confirmed between the existing Hope Job Scale and the Nurse Image scalel. The use of the Korean version of the HCC-NCC tool will provide a meaningful basis for the factors of career choice in each major, as distinguished from other health care. In addition, the positive image of nursing science distinguished from other healthcare majors will be used to attract new students in nursing majors.

      • KCI등재

        의과대학 학생들의 생활실태 및 학생지원 방안

        김선경,배재훈,이재호,Kim, Seon-Kyoung,Bae, Jae-Hoon,Lee, Jae-Ho 연세대학교 의과대학 2022 의학교육논단 Vol.24 No.3

        The purpose of this study was to analyze the results of a study on the psychological state, lifestyle, self-management ability, and academic adaptation of medical students, and to present examples of improvement of a student support center based on the results. A medical school in Daegu has been surveying the living conditions of students every year for 6 years since 2016. More than 60% of medical students experienced depression and more than 70% experienced stress, but these rates have significantly improved over the past 5 years. There were many cases of drinking or smoking to relieve stress, but the frequency of drinking recently decreased substantially. Some students had difficulties in emotional regulation (11.5%) and time management (16.6%), and challenges in planning and self-management increased significantly during the coronavirus disease 2019 (COVID-19) pandemic. The satisfaction and adaptability of medical students are high, but the number of students who are not satisfied with but negative response rate is 2%-3% in every year. However, satisfaction has significantly increased in tandem with curriculum changes and COVID-19. Based on these data, the counseling system was reorganized to support psychological stability, the medical humanities curriculum was improved, and changes in actual quality of life were induced by developing and operating non-curricular programs. Furthermore, standardized questionnaires will be developed and data from many medical schools will be shared, which is expected to support medical students more effectively.

      • KCI등재

        Efficient m-step Generalization of Iterative Methods

        김선경,Kim, Sun-Kyung Korea Society of Industrial Information Systems 2006 한국산업정보학회논문지 Vol.11 No.5

        In order to use parallel computers in specific applications, algorithms need to be developed and mapped onto parallel computer architectures. Main memory access for shared memory system or global communication in message passing system deteriorate the computation speed. In this paper, it is found that the m-step generalization of the block Lanczos method enhances parallel properties by forming in simultaneous search direction vector blocks. QR factorization, which lowers the speed on parallel computers, is not necessary in the m-step block Lanczos method. The m-step method has the minimized synchronization points, which resulted in the minimized global communications and main memory access compared to the standard methods.

      • KCI등재
      • KCI우수등재
      • 실리콘-탄소-그래핀 복합체 제조 및 리튬이온 이차전지 응용

        김선경,김찬미,장한권,장희동,Kim, SunKyung,Kim, ChanMi,Chang, Hankwon,Jang, Hee Dong 한국입자에어로졸학회 2019 Particle and Aerosol Research Vol.15 No.4

        Recently, high electrochemical performance anode materials for lithium ion secondary batteries are of interest. Here, we present silicon-carbon-graphene (Si-C-GR) composites for high performance anode materials of lithium ion secondary battery (LIB). Aerosol process and heat-treatment were employed to prepare the Si-C-GR composites using a colloidal mixture of silicon, glucose, and graphene oxide precursor. The effects of the size of the silicon particles in Si-C-GR composites on the material properties including the morphology and crystal structure were investigated. Silicon particles ranged from 50 nm to 1 ㎛ in average diameter were employed while concentration of silicon, graphene oxide and glucose was fixed in the aerosol precursor. Morphology of as-fabricated Si-C-GR composites was generally the shape of a crumpled paper ball and the Si particles were well wrapped in carbon and graphene. The size range of composites was about from 2.2 to 2.9 ㎛. The composites including silicon particles larger than 200 nm in size exhibited higher performance as LIB anodes such as capacity and coulombic efficiency than silicon particles less than 100 nm, which were about 1500 mAh/g at 100 cycles in capacity and 99% in coulombic efficiency, respectively.

      • KCI등재

        디지털 포렌식을 위한 데이터베이스 블록 크기의 탐지 기법

        김선경,박지수,손진곤,Kim, Sunkyung,Park, Ji Su,Shon, Jin Gon 한국정보처리학회 2020 정보처리학회논문지. 소프트웨어 및 데이터 공학 Vol.9 No.4

        As the use of digital devices is becoming more commonplace, digital forensics techniques recover data to collect physical evidence during the investigation. Among them, the file forensics technique recovers deleted files, therefore, it can recover the database by recovering all files which compose the database itself. However, if the record is deleted from the database, the modified record contents will not be restored even if the file is recovered. For this reason, the database forensics technique is required to recover deleted records. Database forensics obtains metadata from database configuration files and recovers deleted records from data files. However, record recovery is difficult if database metadata such as block size cannot be obtained from the database. In this paper, we propose three methods for obtaining block size, which is database metadata. The first method uses the maximum size of free space in the block, and the second method uses the location where the block appears. The third method improves the second method to find the block size faster. The experimental results show that three methods can correctly find the block size of three DBMSes. 디지털 기기 사용이 일반화되면서 수사 과정에서 물적 증거 수집을 위해 디지털 포렌식 기법을 사용한다. 이 중 파일 포렌식 기법은 삭제된 파일을 복구하는 것으로, 여러 개의 파일로 구성된 데이터베이스가 삭제되어도 복구할 수 있다. 그러나 데이터베이스에서 레코드가 삭제된 경우는 파일 복구를 하여도 수정된 레코드 내용이 복원되지 않는다. 이에 삭제된 레코드를 복구하는 기법인 데이터베이스 포렌식이 필요하다. 데이터베이스 포렌식은 데이터베이스 설정 파일로부터 메타데이터를 획득하고, 데이터 파일에서 삭제된 레코드를 복구한다. 그러나 데이터베이스에서 블록 크기와 같은 데이터베이스 메타데이터를 획득하지 못하면 레코드 복구가 어렵다. 본 논문에서는 데이터베이스 메타데이터인 블록 크기를 탐지하기 위한 세 가지 방법을 제안한다. 첫 번째 기법은 블록에 존재하는 빈공간의 최대 크기를 이용하며, 두 번째 기법은 블록이 나타나는 위치를 이용한다. 세 번째 기법은 두 번째 기법보다 더 빠르게 블록 크기를 찾을 수 있도록 개선한다. 실험 결과는 세 가지 탐지 기법 모두 세 종류의 DBMS의 블록 크기를 정확하게 찾을 수 있음을 보인다.

      • KCI등재

        2010-2011년도에 발생한 구제역 살처분 원인에 대한 문화 분석

        김선경,김지은,백도명,Kim, Seon-Kyung,Kim, Ji-Eun,Paek, Do-Myung 한국환경보건학회 2011 한국환경보건학회지 Vol.37 No.2

        Between January 2010 and March 2011, there were three outbreaks of foot and mouth disease (FMD) in South Korea. Over 3.45 million animals (5,660 farms) were slaughtered, which was 33.3% of the existing pigs, 8.4% of dairy cows and 3.4% of cattle. FMD disaster costs were estimated at around three billion Korean won. Nine civil servants were killed, over 150 people were wounded and 4,788 landfills were confronted with a pollution problem. Vaccination and slaughter are the two basic alternatives for eradication of FMD. Altho ugh slaughter is more violent, risky and expensive than vaccination, the Korean government had chosen only slaughter eradication by the end of 2010. Even though over three million animals were killed, FMD spread out over most of the country. Finally, the government chose to begin vaccination. Following vaccination, outbreaks decreased dramatically. The purpose of this report is a cultural analysis of the related decision-making process, laws and systems. For the culture analysis, we utilize interviews, symposiums, laws, FMD manual, government reports and press releases. In conclusion, we found that the FMD massacre was influenced by cultural and organizational factors. The cultural factors were economism, cheapening of the value of life, biased perceptions and fears. The organizational factors were a closed process of decision-making, monopoly system, a small homogeneous group and group-think. Therefore, more studies will be needed for those factors of FMD disasters in national-scale cases.

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