• Title/Summary/Keyword: Delphi Study

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A Study on the Selection of Evaluation Index of Biotopes in Korea (한국 비오톱 평가지표의 선정 실태)

  • Kim, Young-Sun;Oh, Koo-Kyoon
    • Journal of the Korean Institute of Landscape Architecture
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    • v.41 no.2
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    • pp.27-37
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    • 2013
  • The purpose of this research is to identify the selection status of the evaluation index in Korea and suggest improvements. In order to do so, comparison and analysis are conducted of terms, items and measures for biotope evaluation indexes attested in related documents published in domestic and foreign areas. The findings of this research are listed in the following. First, terms about biotope evaluation indexes are used and integrated with each other. Second, items used to denote biotope evaluation indexes are largely different in each region since comprehensive concepts have not been established for selecting the items. Third, there are poor grounds for items denoting biotope evaluation indexes to the species of creatures. Fourth, the items cannot provide satisfying explanations for the relative values of the current condition in the urban ecosystem of a specific region. The results of this research may be applied to provide basic materials about what is to be improved for selecting biotope evaluation indexes in Korea. In order to systematically preserve an urban ecosystem environment in Korea for the future, it is necessary for the state to develop and set up such evaluation indexes and guidelines that reflect the relative values of biotopes in each level of urban areas in Korea.

Outbreak Pattern Forecasting of Food-borne Disease in Group Food Services in Korea (미래 집단급식 식중독 발생 양상 예측)

  • Jo, Seo-Hee;Kim, Cho-Il;Ha, Sang-Do
    • Journal of Food Hygiene and Safety
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    • v.24 no.1
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    • pp.19-26
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    • 2009
  • This study was undertaken to analyze the hygienic problems of group food services and to predict the outbreak patterns of future food-borne diseases. A delphi survey with 20 experts identified the main causes of food-borne outbreaks in group food services as improper hygienic management of raw food materials, washing of worker's hands, dividing the spaces and unsanitary retail storage. Vibrio parahaemolyticus, Escherichia coli (EPEC), non-typhoid Salmonella serotypes, Staphylococcus aureus, Escherichia coli (ETEC), norovirus, and the hepatitis A virus all have potential to cause outbreaks of food-borne disease. We analyzed the daily food use and the possibility of food-borne outbreaks in school food services for fruits, milk, fish, pork, eggs, and meat as raw food materials, and bibimbab, soybean sprouts muchim, spinach namul, cucumber sengchae, jabchae, and pork bulgogi as prepared food items. Frozen (${\leq}\;-20^{\circ}C$) and refrigerated ($0{\sim}10^{\circ}C$) processed foods are popular items in group food services. Their storage, heating, and chemical sanitization methods are potential sources of food disease outbreaks. Our results can be applied to a well-organized hygiene control system and can be used to develop menus for preventing food-borne outbreaks.

The Effect of Difference between Reporting Terms of Government and Media on Risk Communication in Major Food Safety Incidents (주요 식품안전사건에서 정부와 언론이 사용한 보도용어의 차이가 리스크 커뮤니케이션에 미치는 영향)

  • Oh, Se-Ra;Shin, Won-Jung;Park, Tae-Gyun;Kim, Renee;Kim, Ho-Sik;Lee, Jeong-Ho;Hwang, Seong-Hwi;Ha, Sang-Do
    • Journal of Food Hygiene and Safety
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    • v.27 no.3
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    • pp.203-208
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    • 2012
  • In the present study, we collected the information of the 18 major food safety incidents and conducted a delphi survey with 10 experts to analyze the effect of difference between terms used in reporting of the major food safety incidents on risk communication. In the result of the analysis of information from the major food safety incidents, discord of terms used from government, local government, media and consumer groups had a tremendous effect on the socioeconomic losses and caused the expansion of the incidents. The survey with 10 experts showed that there was a high correlation between the difference in ripple effect of reporting terms and the difference in reporting terms. A correlation coefficient was 0.865. Therefore, ripple effect of incidents was significantly affected by reporting terms and we concluded that standardization of term is necessary in reporting of the food safety incidents. These results can be used as a basic material for successful risk communication among the government, enterprises and consumers.

Design and Validation of Leadership Curriculum in Education for the Gifted Elementary Students of Computer Science (초등정보과학영재를 위한 리더십 교육내용의 설계 및 검증)

  • Lee, Jae-Ho;Bae, Gi-Taek
    • Journal of Gifted/Talented Education
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    • v.20 no.1
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    • pp.79-106
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    • 2010
  • Leadership education is part of the goals of special education for the gifted of computer science. However, there has been little research effort on leadership curriculums and programs specially designed for the gifted of computer science by reflecting their characteristics. Thus this paper was conducted to design educational contents of leadership for the gifted of computer science as follows:First, common elements were extracted from the goals and characteristics of special education for the gifted of computer science and from the previous studies through analysis. Then basic data were selected helpful to choose educational contents of leadership for the gifted of computer science. Second, the definitions and characteristics of leadership were analyzed along with the previous studies to find common elements. By defining relations between the gifted of computer science and leadership, the investigator also examined the leadership characteristics to be considered when choosing educational contents. Third, educational contents of leadership for the gifted of computer science were selected and designed based on the leadership elements developed by the Korean Educational Development Institute(2005). Fourth, leadership activity logs and reading materials were developed of the education for the gifted of computer science based on the educational contents for their leadership. And fifth, Delphi analysis was carried out to test the validity of the leadership activity logs and reading materials developed in the study in two sessions; the first one tested the overall design of the educational contents, and the second one did the detailed contents of the activity logs and reading materials.

The Application of Science Education Lecture for Pre-Service Teacher Using Teaching-Learning Method Based on Flipped Learning (플립러닝 교수-학습 방법을 활용한 예비교사의 과학교육론 수업 적용)

  • Jeon, Young-ju;Yoon, Ma-byong
    • Journal of The Korean Association For Science Education
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    • v.36 no.3
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    • pp.499-507
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    • 2016
  • A flipped learning class was held in an attempt to overcome the limits of lecture-type classes in pre-service science teacher training and to provide a student-oriented education suitable for digital native generation. The principles of teaching-learning in flipped learning were applied to the general ADDIE model to design the class; learning materials were developed accordingly. The developed flipped learning materials and class design were verified for their validity using an expert panel's Delphi method and validity test, in which the validity was verified with 0.75 CVR. The developed flipped learning materials were applied to the theory of science education and the instructional effectiveness was analyzed. The results suggest that the students' motivation to study, interest, and confidence in learning increased; however, their satisfaction in class decreased by 30% as compared to the lecture-type class and their self-confidence in the improvement of their academic achievement was not sufficient. In order for a flipped learning class to be successful, the class should be small in size, which would ensure appropriate teacher-student communication and individualized learning; also, the students' burden of learning should be reduced and accessibility to video materials for pre-class learning should be reinforced.

The Development of a Competence Model for Career and Vocational Education for Middle School principles (중학교 학교관리자의 진로직업교육에 관한 역량모델 개발)

  • Kim, Jong-Seoung;Kim, Jin-Youn;Joo, Dong-Heon;Kim, Young-Min;Kim, Ki-Soo
    • 대한공업교육학회지
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    • v.43 no.2
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    • pp.114-131
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    • 2018
  • This study is to develop a competence model for school principals that provides effective career and vocational education (CVE) at middle schools. This model can be used as an indicator for identifying the expertise levels of principals in CVE and to help them develop the necessary skills. Research methods included literature review, basic research, the Delphi technique, analytic hierarchy process (AHP), and surveying. The results were as follows. The competence model for CVE for middle school principals consisted of three competence groups, nine competence elements, and 67-item behavior indicators. First, the three competence groups included the competence to build a school system for CVE, the competence to support CVE at school, and the competence to create a school environment for CVE. Competence to support CVE at school turned out to be most important in the AHP analysis. Second, competence elements included goal management, performance management, the creation of educational culture, support for educational activities, support for school curriculum, support for students, human resources management, resource management and community management. According to the AHP analysis, support for school curriculum was the most significant among the nine competence elements. Third, the behavior indicators were identified items in three areas: 18 items for individual propensity, 18 items for knowledge, and 31 items for performance.

A Study on the Hardware Cost Estimation Equation of Professional Service Robot (전문서비스 로봇 하드웨어 비용추정 관계식 개발에 관한 연구)

  • Lee, Jungsoo;Min, Jeongtack;Choi, Yeon-Seo;Park, Myeongjun;Sohn, Dongseop
    • Journal of Digital Convergence
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    • v.16 no.7
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    • pp.89-96
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    • 2018
  • In this paper, we proposed a parametric estimation method for estimating H/W cost by using the development data of professional service robot in Korea. In addition, we derived the factors and weights that we can estimate the costs depending on the application environmental conditions of the robot. For the analysis, we developed the equation of professional service robot cost estimation using parametric method. We also derived the adjustment factors and following weights through FGI and Delphi for environmental conditions. We have developed a cost estimation equation that reflects the weight, volume, and manufacturing difficulty, and can derive a relational equation that reflects the environmental factors(dust/water, heat/cold, safety, test, technology innovation). This provides an objective basis for estimating the cost of professional service robots and will lead to ongoing research for estimating the H/W development cost of professional service robots. In the future, we will increase reliability by collecting abundant data, and will strengthen models through finding functional factors.

A Study on the Application of CIGS Solar Cells to Improve the Aesthetics of Public Facilities (공공시설물 심미성 향상을 위한 CIGS 태양전지 적용 방안 연구)

  • Lee, Saem;Seo, Ji-Young;Park, Su-Jy;Nam, Won-Suk;Jang, Jung-Sik
    • Journal of the Korea Convergence Society
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    • v.12 no.12
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    • pp.235-243
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    • 2021
  • As environmental problems accompanied by industrialization have emerged worldwide, solar and wind energy have entered the stage of commercialization, especially in Korea. In addition, research on improving aesthetics using solar cells is being actively conducted. Examples include developing a transmissive solar cell and developing a solar cell with flexibility and color. Therefore, in line with the upward trend of solar cell development and solar cell-based public facility installation, we will present guidelines for designing public facilities using solar cells to improve aesthetics. First of all, components were derived to increase the suitability of solar cell application through literature surveys on solar cells and case studies on public facilities using solar cells. Next, through prior research on public facility guidelines, we established evaluation principles and drafted design guidelines. Based on this, a Delphi survey was conducted on a group of experts to verify its validity. Design guidelines for solar cells application measures to improve the final public design aesthetics were derived. The goal is to improve the public facilities using solar cells, through Accessibility and cognition, Usability, Shape and aesthetics, Sustainability and energy efficiency, Continuity with the urban landscape. And it is expected that this data will be used to improve the aesthetics of public design using solar cells in the future.

Development and Validation of Tool for the Assessment of Employment Preparedness for People with Visual Impairments (시각장애인 고용준비도 검사지 개발 및 타당화 연구)

  • Jun, Young Hwan;Lee, Tae Hun;Lee, Jae Ho
    • 재활복지
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    • v.21 no.1
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    • pp.27-46
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    • 2017
  • The purpose of this study is to develop tool for the assessment of employment preparedness for people with visual impairments. First, we developed a draft assessment factors. Expert opinion survey, delphi survey, pilot test were conducted to modify contents of the factors. Actual assessments were carried out to test the reliability and validity of the developed tool targeting job seeker with visual disabilities. The total number of valid samples are 253. Principal component analysis, confirmatory factors analysis, and correlation analysis were used for the validity test. Chronbach' alpha analysis was used for the reliability test. As a result of the reliability analysis, the reliability coefficient showed good level of 0.88-0.92. As a result of the factor analysis, it was confirmed that the composition concept of 9 factors were well reflected. The correlation coefficient between employment preparedness tool and job screening tool was 0.501, Which was statistically significant. Therefore, it was evaluated as having a concurrent validity. Finally, it was confirmed that the assessment of employment preparedness for people with visual impairments was valid as assessment tool.

Quality indicators for cervical cancer care in Japan

  • Watanabe, Tomone;Mikami, Mikio;Katabuchi, Hidetaka;Kato, Shingo;Kaneuchi, Masanori;Takahashi, Masahiro;Nakai, Hidekatsu;Nagase, Satoru;Niikura, Hitoshi;Mandai, Masaki;Hirashima, Yasuyuki;Yanai, Hiroyuki;Yamagami, Wataru;Kamitani, Satoru;Higashi, Takahiro
    • Journal of Gynecologic Oncology
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    • v.29 no.6
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    • pp.83.1-83.10
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    • 2018
  • Objective: We aimed to propose a set of quality indicators (QIs) based on the clinical guidelines for cervical cancer treatment published by The Japan Society of Gynecologic Oncology, and to assess adherence to standard-of-care as an index of the quality of care for cervical cancer in Japan. Methods: A panel of clinical experts devised the QIs using a modified Delphi method. Adherence to each QI was evaluated using data from a hospital-based cancer registry of patients diagnosed in 2013, and linked with insurance claims data, between October 1, 2012, and December 31, 2014. All patients who received first-line treatment at the participating facility were included. The QI scores were communicated to participating hospitals, and additional data about the reasons for non-adherence were collected. Results: In total, 297 hospitals participated, and the care provided to 15,163 cervical cancer patients was examined using 10 measurable QIs. The adherence rate ranged from 50.0% for 'cystoscope or proctoscope for stage IVA' to 98.8% for 'chemotherapy using platinum for stage IVB'. Despite the variation in care, hospitals reported clinically valid reasons for more than half of the non-adherent cases. Clinically valid reasons accounted for 75%, 90.9%, 73.4%, 44.5%, and 88.1% of presented non-adherent cases respectively. Conclusion: Our study revealed variations in pattern of care as well as an adherence to standards-of-care across Japan. Further assessment of the causes of variation and non-adherence can help identify areas where improvements are needed in patient care.