• 제목/요약/키워드: importance ranking

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경기지역 초.중.고등학교 영양(교)사의 나트륨 저감화에 대한 인식도 및 실천도 (Awareness and Practice of Sodium Reduction by Elementary, Middle and High School Dietitians in Gyeonggi Area)

  • 이정희
    • 동아시아식생활학회지
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    • 제22권6호
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    • pp.734-743
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    • 2012
  • High sodium consumption is a significant nutrition problem in South Korea; however, few studies have examined the awareness and practice of dietitians with respect to low sodium diet in schools. In this study, we collected data from 211 dietitians in 2012. Most respondents indicated that sodium reduction was important in school meals (very important 40.5%, somewhat important 55.6%); however, they rarely checked the sodium content in the nutrition labels of processed foods (never/rarely 74.2%, sometimes 18.7%, always/often 7.2%). The main reason for not checking the sodium content was 'no nutrition table on some processed foods' (38.5%). The most important barrier to sodium reduction in school meals was overcoming the negative taste of students related to a reduced-sodium diet (70.4%). The most frequently used processed foods were processed meat (e.g. ham, bacon) (48.3%), frozen dumplings and noodles (33.8%), and sausage and dressing (14.5%) in school meals. The proportion of dietitians who used processed food ${\geq}$ 2 times per week for the school menu was 72.2% in high school, 28.4% in middle school and 12.4% in elementary school (p<0.05). Upon ranking of the importance of nutrients in school menus, calories received the highest score (4.35 points), followed by macronutrient ratios (4.30), calcium (4.06), iron (3.44) and sodium (3.20). Although most dietitians recognized that sodium reduction was important in school menu planning, they had poor dietary practices. It is suggested that we educate dietitians as well as students about the importance and practice of a reduced sodium diet. Furthermore, it is critical to develop diverse low sodium recipes and have a required nutrition labeling system for all processed foods. Overall, the results of this study could serve as a guide to planning effective nutrition programs to reduce sodium consumption in school feeding programs.

도로교 내진보강 우선순위 결정을 위한 알고리즘에 관한 연구 (A Study on Algorithm for Determining Seismic Improvement Priority of Highway Bridges)

  • 김형규;장일영
    • 한국구조물진단유지관리공학회 논문집
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    • 제22권6호
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    • pp.138-147
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    • 2018
  • 최근 경주, 포항 등 국내에서 지진으로 인한 피해가 지속적으로 발생하면서, 우리나라가 더 이상 지진의 안전지대가 아니며 이에 대한 대비가 필요함을 알게 되는 계기가 되었다. 또한 내진설계 개념 도입 이전에 건설된 교량들은 적절한 보강 대책이 마련되지 않은 상태로 남아있는 실정으로 경제성과 구조적 안전성이 고려된 내진보강이 순차적으로 이루어져야한다. 기존 교량의 내진성능 예비평가는 교량이 위치한 지역의 지진세기를 고려한 지진도와 취약도 및 영향도를 고려하여 4개의 그룹으로 내진 그룹화하고 이를 통해 내진성능 상세평가를 위한 우선순위가 결정된다. 본 연구에서는 기존의 방법과 다르게 교량의 중요도와 취약조건, 도로교의 세부사항을 기준으로 선정하여 도로교의 내진 보강 우선순위를 결정하는 보다 간편하고 객관적인 알고리즘을 제안하고 이를 실제 교량에 적용하여 적합성을 확인하였다.

그룹 Fuzzy AHP와 GRA를 이용한 식스시그마 프로젝트 선정방안 (Project Selection of Six Sigma Using Group Fuzzy AHP and GRA)

  • 유정상;최성운
    • 한국융합학회논문지
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    • 제10권11호
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    • pp.149-159
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    • 2019
  • 식스시그마는 시장과 고객의 패러다임과 트렌드의 변화에 맞추어 모든 사업의 프로세스와 전략을 개선하는 경영 혁신운동이다. 식스시그마 프로젝트 선정에 관한 기존의 연구는 있으나 불완전한 정보환경 하에서 프로젝트 선정을 위한 연구는 거의 없다. 본 연구의 목적은 불완전한 정보 하에서 올바른 프로젝트 선정을 위해 통합 MCDM 기법을 적용 방법을 제안하는 것이다. 식스시그마 프로젝트 선정을 위해 4단계인 1) 평가기준 간 가중치 결정 2) 팀 멤버 간 전문역량의 상대적 중요도 결정 3) 프로젝트 선호도 척도 산정 4) 최종 프로젝트 우선순위 결정 등을 위해 그룹 Fuzzy AHP, 불완전한 정보환경 하에서의 비퍼지화 TrFN 변환, GRA의 통합기법을 제안하였다. 본 연구에서 제안한 식스시그마 프로젝트 선정단계의 적용방안에 대한 이해를 돕기 위해 수치예가 제시되었다.

지하철 역사 내부 상업공간 활성화 방향 (Direction for the Revitalization of Commercial Space in the Subway Stations)

  • 조영혜;이명훈
    • 한국콘텐츠학회논문지
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    • 제22권6호
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    • pp.652-665
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    • 2022
  • 역사 내부 상업공간은 역별 활성화 정도 차이가 심화되어져 가고 있다. 본 연구는 역사 내부 상업공간은 공적 관리가 필요하다는 전제하에 역사 내부 상업공간의 활성화에 영향을 주는 요소를 찾고자 하였다. 이를 위해 AHP 기법을 통해 활성화 지표의 중요도를 도출하였다. 도출된 활성화 지표의 중요도를 적용하여 서울 260개 역을 대상으로 역별 활성화 순위와 지역별, 지표별 특성을 분석하였다. 분석 결과 생활권, 자치구별 활성화 정도의 차이가 크며, 활성화에 영향이 큰 요인으로는 유동인구와 승하차 인원임을 알 수 있었다.

ANP 기법 활용 농업용수 거버넌스 구성요인 우선순위 분석 (Priority Analysis for Agricultural Water Governance Components by Using Analytic Network Process(ANP))

  • 이슬기;최경숙
    • 농촌계획
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    • 제29권4호
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    • pp.27-34
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    • 2023
  • Recently, worldwide to respond to climate change and secure sustainability. Korea aimed to increase water use efficiency by implementing integrated management according to the water management unification policy. Therefore, the necessity of establishing and operating governance is expanding to ensure the sustainability of agricultural water. In this study aims to evaluate the importance of agricultural water governance components and provide essential data for the participation of stakeholders in the efficient use of agricultural water in Korea. For this study, a total of 19 respondents to the ANP survey for this study were composed of experts in agricultural water and governance in Korea. As a result, the ranking for the main components was in the order of law, policy, and systems(0.222), core subjects(0.191), information sharing and communication(0.180), budget support(0.178), mutual learning(0.124), and external experts(0.105). The most important components for the operation of agricultural water governance are laws, policies, and systems. Since Korea's agricultural water management is a public management system, national standards are considered the first priority. This study, which is the purpose of the agricultural water governance model, evaluated the importance of the constituent components for participating in demand management with a sense of responsibility. Moreover, if agricultural water governance is expanded nationwide by reflecting agricultural and water resource policies in the future, it is believed that positive effects can be achieved in increasing utilization efficiency and securing sustainability through agricultural water saving.

암생존자를 대상으로 한 사상체질에 따른 건강수준 평가기준 개발 연구 (A Study on the Development of Criteria for the Assessment of the Sasang Constitutional Health Level of Cancer Survivors)

  • 권진혁;박성운;박병주;홍승민;김아리;오현주;이준희
    • 사상체질의학회지
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    • 제35권4호
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    • pp.23-41
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    • 2023
  • Objectives This study is aimed to develop criteria for assessing the health level of cancer survivors through patient reported outcome based on sasang constitutional symtomology. Methods As a result of the researchers' meetings and the first round of expert group consultation, the constitutional health level assessment items that would be common to all Sasang constitutions were extracted, and constitutional health level assessment items for cancer survivors were selected. A second round of expert group consultation was conducted to determine the importance and weighting of these items for each constitution. Results & Conclusions For soeumin, the importance ranking and calculated weight were as follows: 'I had sweats even when I was not hot or exercising.(1st, 4.09)', 'I had night sweats while sleeping(2nd, 3.94)', 'I lost weight.(3rd, 3. 75)', etc. For soyangin, as follows: 'I had night sweats while sleeping.(1st, 3.08)', 'I had vomiting.(2nd, 3.02)', 'I felt hot flashes in the afternoon or at night. (3rd, 2.73)', etc. For taeumin, as follows: 'I was out of breath.(1st, 3.48)', 'My heart was pounding for no reason.(2nd, 3.45)', 'My body was swollen.(3rd, 3.22)', etc. For taeyangins, as follows: 'I couldn't urinate well.(1st, 4.49)', 'I vomited(2nd, 4.44).', 'My upper abdomen were hard.(3rd, 3. 14)', etc. Based on the results, we developed a draft of a questionnaire to assess the Sasang constitutional health level of cancer survivors, weighted for each item.

랜덤 포레스트 모델을 활용한 국내 청소년 성경험 영향요인 분석 연구: 2019~2021년 청소년건강행태조사 데이터 (Factors Influencing Sexual Experiences in Adolescents Using a Random Forest Model: Secondary Data Analysis of the 2019~2021 Korea Youth Risk Behavior Web-based Survey Data)

  • 양윤석;권주원;양영란
    • 대한간호학회지
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    • 제54권2호
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    • pp.193-210
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    • 2024
  • Purpose: The objective of this study was to develop a predictive model for the sexual experiences of adolescents using the random forest method and to identify the "variable importance." Methods: The study utilized data from the 2019 to 2021 Korea Youth Risk Behavior Web-based Survey, which included 86,595 man and 80,504 woman participants. The number of independent variables stood at 44. SPSS was used to conduct Rao-Scott χ2 tests and complex sample t-tests. Modeling was performed using the random forest algorithm in Python. Performance evaluation of each model included assessments of precision, recall, F1-score, receiver operating characteristics curve, and area under the curve calculations derived from the confusion matrix. Results: The prevalence of sexual experiences initially decreased during the COVID-19 pandemic, but later increased. "Variable importance" for predicting sexual experiences, ranked in the top six, included week and weekday sedentary time and internet usage time, followed by ease of cigarette purchase, age at first alcohol consumption, smoking initiation, breakfast consumption, and difficulty purchasing alcohol. Conclusion: Education and support programs for promoting adolescent sexual health, based on the top-ranking important variables, should be integrated with health behavior intervention programs addressing internet usage, smoking, and alcohol consumption. We recommend active utilization of the random forest analysis method to develop high-performance predictive models for effective disease prevention, treatment, and nursing care.

유아의 개인변인 및 어머니의 정서성과 유아의 사회적 능력의 관계 (The Relationship between Children's Individual Variables, Mothers' Emotionality and Children's Social Competence)

  • 안라리;김희진
    • 대한가정학회지
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    • 제46권2호
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    • pp.1-12
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    • 2008
  • The purpose of this research was to identify the importance of social competence in early childhood, age 3 to 5, by examining the relationship between the children's variables such as gender, age, and temperament, with that of their mothers' emotionality, and the social competence. 72 children in the early childhood age bracket were surveyed. Three major findings were established. Firstly, there were no gender differences in relation to social competence. Children's adaptability and social activity were related to their pro-social behavior and the ability to internalize/externalize problems. Secondly, children exhibited pro-social behavior only when their mother's emotional reactivity was positive. hirdly, children's social competence was influenced by individual variables and their mothers' emotionality. Prosocial behavior, a lower ranking domain, was influenced by children's adaptability and mothers' emotional reactivity. The children's ability to internalize problem was influenced by adaptability. In contrast, The ability to externalize problem was influenced by the range of activities they were involved in. Overall, children's social competence was influenced by their age.

독일에서의 환경영향의 정량적 평가 (Quantification of Ecological Impact as a Basis for Evaluation)

  • Schweppe-Kraft, Burkhard
    • 환경영향평가
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    • 제2권2호
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    • pp.59-71
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    • 1993
  • Evaluation methods are employed in environmental impact assessment to choose between different project site, to determine the required measures to compensate impact and to decide whether the environmental impacts are more important than the social or economic effects of a project. The main obstacles that restrict use of quantitative evaluation method are a Lack of knowledge about the environmental effects (e.g. if impacts on wildlife or landscape amenities are predicted) and the relative importance of economic and social issues compared with nature conservation stability of ecosystem or landscape beauty. In Germany, the most common method for site planning is the "ecological risk analysis". It is a kind of multi-criteria-decision-method based on quantitative and qualitative description and ordinal ranking. The various kinds of "ecological balancing methods" that are more recently developed (within the last decade) to quantify the required amount for compensatory measures instead often use cardinal figures to express the value of ecosystems, the intensity of impacts, the need for additional measures to compensate for long recuperative periods when restoring ecosystems and so on. There are still only a view attempts to quantify decisions between environmental and socio-economic issues. Multicriteria-analysis as well as cost-benifit-analysis was used. Some new approaches which are still in a preliminary status are based on contingent valuation and on calculations for compensatory payments (instead of compensatory measures).

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Service Quality Design through a Smart Use of Conjoint Analysis

  • Barone, Stefano;Lombardo, Alberto
    • International Journal of Quality Innovation
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    • 제5권1호
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    • pp.34-42
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    • 2004
  • In the traditional use of conjoint analysis, in order to evaluate the relative importance of several elements composing a service, interviewed customers are asked to express their judgement about different scenarios (specific combinations of elements). In order to reduce the number of possible scenarios, design of experiments methodology is usually exploited. Previous experiences show that, even a limited number of proposed scenarios cause difficulty in answering for the interviewed customer if the scenarios differ for elements of very low interest to him/her. Consequently, a high rate of abandon of the interview has been observed. In this study it is assumed that a service can be decomposed in several improvable elements and/or enriched with new "optionals". In both cases, what under study is assumed to be a set of dichotomous attributes. For each of these attributes, its marginal contribution to customer satisfaction has to be modelled and estimated. To obtain the required information, an opportune questionnaire is proposed to a sample of interviewed customers. An interviewing procedure consisting in a customer driven design of scenarios is followed, starting from the full-optional scenario and eliminating one by one the less satisfying elements. For each interviewed customer, a ranking of attributes is so obtained. Then, by asking the interviewed customer to evaluate on a metric scale the scenarios he previously selected, a rating of attributes can also be obtained. A case study conducted in collaboration with a public transportation company is presented. Contrarily to previous experiences, the abandon rate proved extremely reduced.y reduced.