• Title/Summary/Keyword: Delphi Survey Method

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Research of Application and Facilitation of BIM on Military Facilities (국방 군사시설의 BIM적용 및 활성화 방안 연구)

  • Gong, Keum-Rok
    • Journal of KIBIM
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    • v.7 no.4
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    • pp.1-7
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    • 2017
  • Since its beginning the military has continued updating its equipments and facilities by modernizing and expanding them. However, with rapidly growing technologies and business management skills, the time for military facilities' evolvement seems unavoidable. The Defense Installations Agency (DIA) has come to a conclusion that application of BIM is necessary. Since its decision, the DIA has been researching the use of BIM and developing guidelines for its application. Nevertheless, the speed of instructions and practical implementation of its model have been behind its plan due to various reasons. To overcome its limitations, the DIA has come up with three-step-solution: basic experience, budgeting, and expansion. Due to numerous number of projects of BIM, it is almost impractical to implement all of them concurrently. The methodological approach of the research employs the Delphi survey method to quantitatively analyze qualitative information drawn from experts' opinions. By applying the Delphi survey method, the first round of the survey drew lists of constraints, BIM application scenarios as well as BIM promotion measures. Afterwards, at the second round of the survey, criticality of each item collected at the 1st round was analyzed to reach a conclusion. Finally, constraints against BIM application were analyzed, and BIM application scenarios and promotion measures for the BIM were introduced.

A Survey Research to Diagnose the Problems of Mathematics Education ID Korea (우리나라 수학교육의 문제점 진단을 위한 조사 연구)

  • Park, Kyung-Mee;Kim, Dong-Won
    • The Mathematical Education
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    • v.50 no.1
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    • pp.89-102
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    • 2011
  • The purpose of this study is to diagnose the problems of mathematics education in Korea by conducting an in-depth analysis of international comparative studies, a Delphi method, and a survey. Further analysis of TIMSS and PISA results also reveals several negative aspects of mathematics education practice in Korea. The mathematics education experts' opinions collected by Delphi method were classified into 12 categories: private education and test-driven education, curriculum and textbooks, lessons, evaluation, teacher, learner, teaching aid and facilities. affective aspects of mathematics, discrepancy between a theory and a practice, preservice/inservice teacher education and teacher employment test, education policy, and overall. Another survey was conducted to focus more on the development of curriculum which is a pending issue. Considering the fact that mathematics education should contribute to improve practical aspect as well as elaborate theoretical aspect, this study lays a foundation of improvement of mathematics education in Korea.

Application Evaluation of Best Management Practices for Agricultural Non-Point Source Pollution using Delphi Survey Method (전문가 델파이 방법을 이용한 농업 비점오염 저감 기술의 현장 적용성 조사)

  • Kim, Min-Kyeong;Jung, Goo-Bok;Kim, Min-Young;Kim, Myung-Hyun;Cho, Kwang-Jin;Choi, Soon-Kun;Hong, Seong-Chang;So, Kyu-Ho
    • Korean Journal of Environmental Agriculture
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    • v.33 no.2
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    • pp.144-147
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    • 2014
  • BACKGROUND: It is essential to prioritize the exact and clear understanding of agricultural nonpoint source pollution (NPS) controls. The realistic policies and systems should also be developed based on this understanding. Therefore, this study aimed to present agricultural Best Management Practices (BMPs) applicable for the fields based on the Delphi survey result. METHODS AND RESULTS: This study deduced the evaluation items to assess each BMP for agricultural NPS control and conducted the surveying using the Delphi method based on agricultural BMP experts. In addition, its on-the-spot application were evaluated. Considering its importance, technical, social and economic proprieties showed that political support was ranked first and followed by cost investment, labor investment, reduction effect and resident participation. The survey findings by agricultural BMP experts showed the good performance of on-the-spot application can be achieved from fertilization by soil testing, residue and green manure application and contour plowing which are applicable within a field. Agricultural BMPs, highly applicable for the fields, were the countermeasures that farmers who are the principal bodies of agricultural NPS control could be participated directly. CONCLUSION: The active participation of farmers is essential for effective control of agricultural NPS. It is necessary to establish various incentive systems.

Simulation Based Method for Mid-and-Long Term Technological Forecasting (중장기 기술예측을 위한 시뮬레이션 기반 방법론)

  • Yu, Sung-Yeol
    • The Journal of the Korea Contents Association
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    • v.10 no.1
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    • pp.372-380
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    • 2010
  • In this study, we consider a mid-and-long term technological forecasting method based on simulation technique. We, first, gather information about a point of appearance time of new technologies which will be developed in the future and influence relationship among those technologies by Delphi survey. And then we propose a simulation-based heuristic approach searching for the key technology among new technologies which will be developed to attain a normative objective using the Delphi data. We also provide the range of occurrence time for individual technology and define key technologies in this study in contrast that a expert's estimate to occurrence time is only one point in traditional Delphi survey. The information for key technologies which are detected by this procedure gives priorities of R&D planning and aids the R&D planner or project manager in resource allocation.

Reliability of Delphi survey for traditional knowledge on agricultural resources (생물자원 전통지식 추출을 위한 델파이조사의 신뢰성 연구)

  • Lee, Ki Hoon;Song, Mi-Jang;Kim, Hyun
    • Journal of the Korean Data and Information Science Society
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    • v.26 no.4
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    • pp.947-956
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    • 2015
  • In the knowledge and information age, to discover and protect Intellectual Properties would be very important for their economic value as a major growth engine. This study evaluated the reliability of a Delphi survey conducted by experts to assess the value of agricultural resources knowledge obtained from literature reviews and field interviews. Delphi method is collecting the opinions of experts for several rounds repeatedly, in the next round the experts have chance to modify their opinion. Scores between two rounds are highly correlated and standard deviations are declined for second round to imply that some correction of their evaluations are made. To check reliability of Delphi survey of two rounds Cronbach's reliability coefficient and Generalizability coefficient are derived. The Cronbach alpha's supported the reliability of the method, but the Generalizability analysis revealed some unexpected results while checking the variance components of sources of measurement errors. Despite the increased reliability coefficients, the deviations between the raters are increased which means that additional rounds are required to get consensus, the goal of Delphi research.

Development of Educational Content for Nurses to Prevent Safety Accidents of Hospitalized Children: Delphi Approach

  • Lee, Yun Sil;Oh, Won-Oak
    • Child Health Nursing Research
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    • v.25 no.1
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    • pp.74-84
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    • 2019
  • Purpose: The purpose of this study was to develop content for safety education to prevent hospital safety accidents among hospitalized children and to investigate the status of safety education performed by nurses. Methods: First, the Delphi method was used, with 18 experts, to develop educational contents for preventing safety accidents. Second, an exploratory survey was performed of the actual status of safety education for preventing safety accidents among hospitalized children using a questionnaire developed based on the Delphi method. The participants of this study were 159 nurses with at least 6 months of work experience. Results: The educational content developed through the Delphi method for preventing safety accidents among hospitalized children contained seven domains (falls, injury, electric shocks/burns, suffocation/aspiration, poisoning/abuse, kidnapping, medical devices) with 44 topics. The item mean of nurses'perceptions of the importance of child safety education was 4.18, and the actual performance score was 3.72, which was a statistically significant difference (t=11.58, p<.001). Conclusion: These seven comprehensive domains of accident prevention education for hospitalized children are expected to be useful for interventions to support the safety of hospitalized children.

Development of Instructional Model for Activation of K-MOOC: Based on Metaverse (K-MOOC 활성화를 위한 교수법 수업모형 개발 : 메타버스를 중심으로)

  • Dongyeon Choi
    • Journal of Christian Education in Korea
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    • v.74
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    • pp.273-294
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    • 2023
  • The purpose of this study is to use K-MOOC, which has limitations in utilization because it is centered on theory delivery, to derive tasks to activate the teaching methods of instructors, and to implement the derived tasks using the metaverse platform. to develop a prototype. According to the purpose of the study, the study was conducted as follows. First, from October 4 to November 15, 2022, a Delphi survey was conducted on 21 experts with experience of consulting, research, class development, and operation related to the K-MOOC project. Second, in order to realize the tasks in the teaching method field derived from the Delphi survey, matching with the teaching method class model elements to result of Delphi survey was applied was carried out. Finally, based on the results of expert Delphi and the elements of the class model applicable to the metaverse platform, a teaching method was developed. Through the process of the study, a total of 16 detailed items were derived for the teaching method-related tasks for the activation of K-MOOC: support strategic tasks, teaching method competency, aspect of class design, evaluation and sharing of learning outcomes. By applying the metaverse, the teaching model elements for K-MOOC revitalization were derived from four categories: self-directed repetition, individualized problem solving, practice opportunity expansion, and immediate feedback, and matched with the first 16 detailed items. A four-step teaching model was completed: course attendance (step 1), mission analysis by individual level (step 2), sharing of mission solutions (step 3), and mission evaluation and feedback (step 4). Through the results of this study, the possibility of using the metaverse as a teaching practice platform was confirmed even in terms of the introduction and development of specialized techniques.

A Study on Influence Factors for Tunnel Collapse Risk Analysis using Delphi Method (델파이 기법을 활용한 터널 붕괴 위험도 분석을 위한 영향인자 도출에 관한 연구)

  • Kim, Jeong Heum;Kim, Chang Yong;Lee, Seung Soo;Lee, Jun Hwan
    • The Journal of Engineering Geology
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    • v.27 no.2
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    • pp.165-172
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    • 2017
  • This research aims to define influence factors to perform an optimized section design and evaluate tunnel collapse risk during construction using Delphi technique. A total of five upper classification systems were constructed through literature review, pervious research analysis, and brainstorming of expert group for establishing influence factors. The $1^{st}$, $2^{nd}$, and $3^{rd}$ Delphi survey process was proceeded by panel group which is consisted 21 experts to prevent errors and bias in the expert judgement process. In Delphi $1^{st}$ survey, a total of 22 influence factors candidates were derived through open-ended questionnaire. In Delphi $2^{nd}$ survey, questionnaire was proceeded based on 7-point Likert scale method. In order to verify the validity, CVR (Content Validity Ration) analysis was performed to exclude inappropriate candidates. In the $3^{rd}$ survey, verification of influence factors was proceeded once more with the result of $2^{nd}$ survey, and lastly, a total of 14 influence factors was derived by CVR and COV (Content Validity Ration) analysis for response of experts.

A Fundamental Study on Developing the Enrichment Curriculum for Gifted Children in Informatics Education Using Delphi Method (Delphi 기법을 적용한 심화형 정보 영재교육과정 개발의 기초연구)

  • Park, Jeong-Sun;Kim, Yung-Sik
    • The Journal of Korean Association of Computer Education
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    • v.13 no.4
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    • pp.13-26
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    • 2010
  • The purpose of this study is to develop the enrichment curriculum connected to a Revised Version of 7th National Informatics Curriculum in Middle School for gifted students in IT education. This study uses a Delphi Method to develop a curriculum which is comprised of educational objectives, educational contents, teaching-learning method and educational evaluation. This study carried out a three-round delphi survey in 'The problem-solving method and its procedure' field from grade 1 to grade 3. In this study, first, the responses of the experts about educational objectives, educational contents, teaching-learning method and educational evaluation of each grade were analyzed. Second, organized items were designed. Finally, important items were selected by statistics.

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Validity of Community Planning Techniques using a Web Survey that Considers Voluntary and Flexibility of Participation

  • Kikuchi, Sachiko;Koshimizu, Hajime
    • Proceedings of the Korean Institute of Landscape Architecture Conference
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    • 2007.10b
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    • pp.60-65
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    • 2007
  • Workshops and discussions on the community planning process and visions for the future have progressed with the cooperation of the administration, citizens and specialists. However, they require a technical proof. For this reason, it is difficult to achieve a standard, whereby city dwellers are satisfied. In this study, the Delphi method was selected as a support tool, and an attempt was made to grasp the intentions and interests of city dwellers. Then, the community planning process was applied by using the Delphi method for urban areas with sparse identification. Participants were residents and commuters in the target areas. Categories were 'environment', 'community' and 'cultural sensibility'. For reducing the cost and time taken by investigators, and to enable those living in the community to participate in voluntaries and flexibility, we used a web survey as an investigation method. As a result, we could express the regional characteristics, problems and community planning intentions of city dwellers. The results suggested the validity of web surveys in regional evaluation, and explained the visions for the future and response attitudes, as well as the existence of a new identification that gives consideration to voluntary and flexibility of participation.

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