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우리나라 성인과 노인의 개인부담 의료비용 지출의 관련요인
김성경,박웅섭,정우진,유승흠,Kim, Sung-Gyeong,Park, Woong-Sub,Chung, Woo-Jin,Yu, Seung-Hum 대한예방의학회 2005 예방의학회지 Vol.38 No.4
Objectives : The purpose of this study was to determine the impact of the sociodemographic and health characteristics on the out-of-pocket health spending of the individuals aged 20 and older in Korea. Methods : We used the data from the 2001 National Public Health and Nutrition Survey. The final sample size was 26,154 persons. Multiple linear regression models were used according to the age groups, that is, one model was used for those people under the age of sixty-five and the other was used for those people aged sixty-five and older. In these analyses, the expenditures were transformed to a logarithmic scale to reduce the skewness of the results. Results : Out-of-pocket health expenditures for those people under the age of 65 averaged 14,800 won per month, whereas expenditures for those people aged 65 and older averaged 27,200 won per month. In the regression analysis, the insurance type, resident area, self-reported health status, acute or chronic condition and bed-disability days were the statistically significant determinants for both age groups. Gender and age were statistically significant determinants only for the non-elderly. Conclusions : The findings from this study show that the mean out-of-pocket health expenditures varied according to the age groups and also several diverse characteristics. Thus, policymakers should consider the out-of-pocket health expenditure differential between the elderly and non-elderly persons. Improvement of the insurance coverage for the economically vulnerable subgroups that were identified in this study should be carefully considered. In addition, it is necessary to assess the impact of out-of-pocket spending on the peoples' health care utilization.
무기체계 업체주관 연구개발 사업의 개발시험평가 개선방안 고찰
김성경,김찬동,허장욱,Kim, Sungkyung,Kim, Chandong,HUR, Jangwook 한국군사과학기술학회 2015 한국군사과학기술학회지 Vol.18 No.6
The improvement of the reliability of weapon systems and the reduction of the total life-cycle cost based on the improving of the DT&E system for Company Organized weapon systems research and development are urgently required. The major advanced countries operate test and evaluation centers for military (U.S.), manage a large scale organization of IPT personnel (England) or conduct management of DT&E through a third party organization (France). Based on a survey of experts, an improvement of the DT&E policy in terms of reliability and objectiveness is needed, and management through a third party national defense agency and civilian agency such as the Surion development case is required. In addition, although it appears that efficiency improves when management of DT&E is performed by national defence agencies rather than civilian agencies, it is necessary to proceed by selecting a civilian agency based on competition in the case that it is difficult to select a national defence agency.
중고등학생의 대수적 추론 문제해결능력과 문제해결과정 분석
김성경,현은정,김지연,Kim, Seong Kyeong,Hyun, Eun Jung,Kim, Ji Yeon 영남수학회 2015 East Asian mathematical journal Vol.31 No.2
The purpose of this study is to suggest how to go about teaching and learning secondary school algebra by analyzing problem-solving ability and problem-solving process through algebraic reasoning. In doing this, 393 students' data were thoroughly analyzed after setting up the exam questions and analytic standards. As with the test conducted with technical school students, the students scored low achievement in the algebraic reasoning test and even worse the majority tried to answer the questions by substituting arbitrary numbers. The students with high problem-solving abilities tended to utilize conceptual strategies as well as procedural strategies, whereas those with low problem-solving abilities were more keen on utilizing procedural strategies. All the subject groups mentioned above frequently utilized equations in solving the questions, and when that utilization failed they were left with the unanswered questions. When solving algebraic reasoning questions, students need to be guided to utilize both strategies based on the questions.
김성경,허장욱,Kim, Sungkyung,Hur, Jangwook 한국군사과학기술학회 2016 한국군사과학기술학회지 Vol.19 No.5
Defense specification suitability review task means to examine whether to need enactment, amendment or abolition of defense specification, and realistic and efficient review environment are urgently needed by improving system. For the promotion of efficient tasks, the cycle of defense specification suitability review needs to be changed to 5 years for active specifications and 10 years for inactive specifications. To simplify the standards of defense specification suitability review, the distinction between prior management items and general management items should be abolished and the number of review items need to be reduced from ten to three. Also, in order to promote substantial defense specification suitability review, a system improvement is needed to utilize retired professionals from defense acquisition related agencies.
영화클립을 이용한 눈깜빡임과 시각적 주의력과의 상관성 연구
김성경,강민,강건주,박수지,신영석,장동표,Kim, Sung Kyung,Kang, Min,Kang, Geon Ju,Park, Sujie,Shin, Young Seok,Jang, Dong Pyo 대한의용생체공학회 2014 의공학회지 Vol.35 No.4
Generally, human eye blinks are closely associated with the cognitive state or visual attention such as attentional requirements on visual stimuli. These previous studies have reported that eye blinks are related to explicit visual attention using blink rate, pattern and blink timing across subjects. However, these results have been obtained in a well-controlled experimental settings. So, it would prove difficult to investigate human's natural response in a continuous and realistic situation. In our study, we measured the eye blink intervals while participants viewed a movie clip. And we analyzed the blink interval data for relationship between visual attention and eye blink intervals. 24 participants took part in two experimental sessions, first session to measure the IEBI while viewing the movie clip and second session to conduct a memory performance test using a self-questionnaire, which were spaced 3 weeks apart. The results indicate significantly higher memory performance at long IEBI period than short IEBI period while watching a movie clip(t = 3.257, df = 17, p < 0.005, 2-tailed). In addition, memory performance score significantly correlated with the IEBI value(spearman's rho = 0.40, N = 36, p < 0.01, 2-tailed). Our results suggest that IEBI is used to measure or assess visual attention while wiewing the movie that it is capable of simulating aspects of real-life experiences by visual attention. Thus, we expect IEBI to be used to measure or assess our visual attention, cognition, further emotion about not only movies, advertisements and other cultural contents but also cognitive science.
차분 전력 분석에서 분류함수의 위치가 성공확률에 미치는 영향
김성경(Sung-Kyoung Kim),김희석(HeeSeok Kim),김태현(Tae Hyun Kim),한동국(Dong-Guk Han),류정춘(Jeong Choon Ryoo),임종인(Jongin Lim) 한국방송·미디어공학회 2007 한국방송공학회 학술발표대회 논문집 Vol.2007 No.-
최근 부채널 공격으로 스마트 카드 같은 장치의 비밀키를 알아낼 수 있음이 알려지면서 많은 알고리즘에 대한 부채널 공격과 대응 방안이 연구되고 있다. 차분전력분석은 부채널 공격의 일종으로 암호화 연산 중 발생하는 전력 소모 곡선을 통계적으로 분석하여 키를 알아내는 공격이다. 본 논문에서는 Kocher 형태의 IC칩 차분전력분석공격에 대한 실험 분석 모델을 설정한 후 이를 검증하고자 축소형 모델로 실험한다. 실험 분석을 위하여 선정된 장치에 DES 암호 알고리즘을 어셈블리로 구현한 후 8비트 마이크로프로세서 형 칩에 탑재하여 암호 알고리즘 실행 시에 발생되는 차분 전력 신호를 분석한다. 그리고 차분전력분석 공격에서 중요한 기술인 분류함수 설정에 따른 분석 성공 여부에 따른 비교를 한다.
김성경(Kim Sung Kyung),김희수(Kim Hee Soo),원영희(Won Young Hee),최선희(Choi Seon Hee),안정선(Ahn Jeong Sun),배진형(Bae Jin Hyung),김성호(Kim Seong Ho) 한국사회복지교육협의회 2018 한국사회복지교육 Vol.43 No.-
본 논문은 한국 K대학의 사례를 중심으로 사회복지교육 및 실천현장에서 요구하는 사회복지 역량을 도출하고 사회복지 역량모델을 개발하는데 목적이 있다. 이를 위해 연구방법으로 문헌연구와 FGI 방법, 일반모델 덧씌우기 역량모델 개발방법을 활용하였다. 그 결과 최종적으로 7대 사회복지 역량(‘전문직 가치와 윤리의 실천’, ‘다양성과 차이에 대한 이해와 실천’, ‘사회구조에 대한 이해와 실천’, ‘정책에 대한 이해와 실천’, ‘사회복지 조직 이해와 행정 실무’, ‘개인․가족․집단․지역사회에 대한 이해와 실천‘, ’조사연구‘)과 24개 하위역량, 48개 세부역량, 132개 학습목표가 도출되었다. 마지막으로 본 연구결과를 바탕으로 사회복지학과 역량 기반 교육과정의 방향과 사회복지교육의 함의를 제시하였다. The purpose of this study is to provide the conceptual framework of social work competency and social work competency model to seek their implications for a competency-based curriculum development. To achieve the purposes of this study, a comprehensive review on related literatures was conducted in each section of social work competency and competency model. The following results were drawn by applying the Generic Model Overlay Method proposed by Dubois(1993) and using focus group interview. The result showed social work competency model which consisted of 7 competencies, 24 sub-competencies, 48 indicators, and 132 performance outcomes. In particular, the most significant output of this study is developing the form of social work competency model for competency-based curriculum development. Based on these results, implications for social work education to develop the competency-based curriculum were proposed.