• Title/Summary/Keyword: Process-based evaluation

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A PROPOSAL OF CONSTRUCTABILITY REVIEW IN THE BASIC DESIGN STEP FOR DESIGN-BUILD PROJECTS

  • Sung-Wook Choi;Young-Woong Song;Yoon-Ki Choi;Dong-Woo Shin;Jae-Youl Chun
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.1150-1153
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    • 2005
  • The orders of Design-Build Delivery System (DBDS) in a large and public construction project have been increasing. Single Source Responsibility (SSR) for design and construction, which contributes to quality improvement of design and construction, has been performed. The DBDS performs SSR for design and construction, but, it has not maximized effect because of the dissatisfied alternative analysis procedures which are based on constructability evaluation and the information system in the design step. In this research, Constructability Evaluation Factors (CEFs) that must be evaluated, investigated, and reflected in the basic design step for design-build projects. The CEF proposed and the business process of each conductor has been systematized. To propose constructability evaluation factors, first classify drawing information by the constructability evaluation sphere. CEFs must be proposed to evaluate factors according to interference among work items. Second, applicable CEFs must be classified by preference ranking and weight. Third, the values of constructability factors in accordance with building elements and work items, need to be calculated. Finally, the CEFs proposal will support rational decision making, design cost reduction, and quality improvement through the values for constructability of building elements and work items.

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An Outcome-Based Approach in Medical Curriculum Development (성과중심교육과정 개발절차에 대한 고찰)

  • Ahn, Jae Hee;Yang, Eunbae B.
    • Korean Medical Education Review
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    • v.15 no.1
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    • pp.9-18
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    • 2013
  • An outcome-based curriculum is perceived to be one alternative educational approach in medical education. Nonetheless, it is difficult for curriculum developers to convert from traditional curriculum to an outcome-based curriculum because research documenting its development process is rare. Therefore, this study aims to introduce the development process and method of outcome-based curriculum. For the purpose of this study, we used diverse data analyses, such as an existing literature search, development model analysis, and case analysis. We identified five phases from the analysis. First, the curriculum developers analyze the physician's job or a high performer in a medical situation. Second, curriculum developers extract outcomes and competencies through developing a curriculum, affinity diagraming, and critical incident interviews. Third, curriculum developers determine the proficiency levels of each outcome and competency evaluation methods. Fourth, curriculum developers conduct curriculum mapping with outcomes and competencies. Fifth, curriculum developers develop an educational system. Also, it is important to develop an assessment system for the curriculum implementation in the process of developing the outcome-based curriculum. An outcome-based curriculum influences all the people concerned with education in a medical school including the professors, students, and administrative staff members. Therefore, curriculum developers should consider not only performance assessment tools for the students but also assessment indicators for checking curriculum implementation and managing curriculum quality.

A study on the validation of learning goals of community dental hygiene practicum based on the community dental hygiene process of care (지역사회 치위생관리과정에 기반한 지역사회치위생학 실습 학습목표 타당화 연구)

  • Yoo, Sang-Hee;Bae, Soo-Myoung;Shin, Bo-Mi;Shin, Sun-Jung
    • Journal of Korean society of Dental Hygiene
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    • v.20 no.2
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    • pp.139-153
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    • 2020
  • Objectives: The purpose of this study was to define the concept of the community dental hygiene process of care and to develop competency-based learning goals applying the community dental hygiene process of care. Methods: Based on 12 references, the concept of community dental hygiene process of care was defined, and 393 learning objectives were derived to carry out the first and second categorization process. The 57 learning goals were classified according to the 15-week learning subject (once a week) for project learning. To evaluate the validity of the developed learning subjects and goals, 80 community dental hygiene professors were surveyed. The final learning subjects and goals were created by going through the process of collecting opinions from the 35 validity evaluation results received as responses, and opinions from 10 community dental hygiene professors. Results: The first and second validity surveys on the operational definition of community dental hygiene process of care showed 4.32 points and 4.60 points, respectively. As a result of the evaluation of the validity of the learning subjects and goals for 1~15 weeks, the average validity of the learning subjects was 4.44 points, and of learning goals was 4.32 points. Conclusions: The learning subjects and goals developed by applying the theoretical framework for community dental hygiene process of care defined in this study can be used as a learning guideline for learners to understand the theory of community dental hygiene area and to derive the standards of competence in the field of practice.

Evaluation of Physical and Mechanical Properties based on Liquid Composite Molding (액상성형공정별 물리적/기계적 특성 비교 평가)

  • Park, Dong-Cheol;Kim, Tai-Gon;Kim, Seung-Hyeok;Shin, Do-Hoon;Kim, Hyeon-Woo;Han, Joong-won
    • Composites Research
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    • v.31 no.6
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    • pp.304-310
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    • 2018
  • Autoclave process has been remaining as one of the most robust and stable process in fabricating structural composite part of aerospace industry. It has lots of advantages, however exhibits some disadvantages or limitations in capital investment and operation. Recently, there have been various Out-of-Autoclave process being researched and developed to overcome those limitations. In this study, laminate specimens were fabricated using LCM (Liquid Composite Molding) process, regarded as one of potential OoA process. DB (Double bagging), CAPRI (Controlled Atmospheric Pressure Resin Infusion), VAP (Vacuum Assisted Process) and Autoclave process were used for laminate specimens. Void content, Thickness, Tg (Glass Transition Temperature), ILSS (Interlaminar Shear Strength) and Flexural strength properties were evaluated for comparison. It is verified that Autoclave based specimen has uniform thickness distribution, the lowest void content and outstanding mechanical properties. And, CAPRI based specimen exhibits relatively good physical and mechanical properties over DB and VAP based specimen and comparable mechanical properties with autoclave based specimen.

Evaluation of energy consumption of gas hydrate and reverse osmosis hybrid system for seawater desalination (해수담수화 공정을 위한 가스하이드레이트-역삼투 공정의 에너지 소모량 평가)

  • Ryu, Hyunwook;Kim, Minseok;Lim, Jun-Heok;Kim, Joung Ha;Lee, Ju Dong;Kim, Suhan
    • Journal of Korean Society of Water and Wastewater
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    • v.30 no.4
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    • pp.459-469
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    • 2016
  • Gas hydrate desalination process is based on a liquid to solid (Gas Hydrate, GH) phase change followed by a physical process to separate the GH from the remaining salty water. The GH based desalination process show 60.5-90% of salt rejection, post treatment like reverse osmosis (RO) process is needed to finally meet the product water quality. In this study, the energy consumption of the GH and RO hybrid system was investigated. The energy consumption of the GH process is based on the cooling and heating of seawater and the heat of GH formation reaction while RO energy consumption is calculated using the product of pressure and flow rate of high pressure pumps used in the process. The relation between minimum energy consumption of RO process and RO recovery depending on GH salt rejection, and (2) energy consumption of electric based GH process can be calculated from the simulation. As a result, energy consumption of GH-RO hybrid system and conventional seawater RO process (with/without enregy recovery device) is compared. Since the energy consumption of GH process is too high, other solution used seawater heat and heat exchanger instead of electric energy is suggested.

Development of Web Based Walking Environmental Measurement System Using the Analytic Hierarchy Process Approach (계층분석법을 이용한 웹 기반 GIS 보행환경측정 시스템 개발)

  • Joo, Yong-Jin;Lee, Soo-Il;Kim, Tae-Ho
    • Journal of Korean Society for Geospatial Information Science
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    • v.19 no.1
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    • pp.3-11
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    • 2011
  • This paper aims to develop a web based GIS system which is able to evaluate and visualize the overall degree (in terms of pleasantness and aesthetics) of pedestrian friendliness of the environment, as well as pedestrians' convenience through a Walkability Indicators that simplify pedestrian environment elements into a quantitative index in accordance with characteristics of pedestrian space. To make this goal come true, we developed and applied Walkability index which can measure the pedestrian environment through reflecting quantitative Indicators based on GIS supplementing the limit of Literature Review. In addition, in order to develop index we utilized AHP(Analytic Hierarchy Process) and we displayed measurement result on study area through web GIS Services. The proposed pedestrian measurement system is expected to be applicable in the visualization of pedestrian movements and the evaluation of convenience levels of pedestrian environment.

Risk assessment of water inrush in karst tunnels based on a modified grey evaluation model: Sample as Shangjiawan Tunnel

  • Yuan, Yong-cai;Li, Shu-cai;Zhang, Qian-qing;Li, Li-ping;Shi, Shao-shuai;Zhou, Zong-qing
    • Geomechanics and Engineering
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    • v.11 no.4
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    • pp.493-513
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    • 2016
  • A modified grey clustering method is presented to systematically evaluate the risk of water inrush in karst tunnels. Based on the center triangle whitenization weight function and upper and lower limit measure whitenization weight function, the modified grey evaluation model doesn't have the crossing properties of grey cluster and meets the standard well. By adsorbing and integrating the previous research results, seven influence factors are selected as evaluation indexes. A couple of evaluation indexes are modified and quantitatively graded according to four risk grades through expert evaluation method. The weights of evaluation indexes are rationally distributed by the comprehensive assignment method. It is integrated by the subjective factors and the objective factors. Subjective weight is given based on analytical hierarchy process, and objective weight obtained from simple dependent function. The modified grey evaluation model is validated by Jigongling Tunnel. Finally, the water inrush risk of Shangjiawan Tunnel is evaluated by using the established model, and the evaluation result obtained from the proposed method is agrees well with practical situation. This risk assessment methodology provides a powerful tool with which planners and engineers can systematically assess the risk of water inrush in karst tunnels.

Promoting Quality Awareness Based on Performance Measurements

  • Shin, Wan-Seon
    • Proceedings of the Korean Society for Quality Management Conference
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    • 1998.11a
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    • pp.345-352
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    • 1998
  • Performance measurement is increasingly becoming a vital issue for promoting quality management within an organization. This research proposes a new performance measurement approach, called the Hierarchically Associated Performance Measurement, for the organizations which emphasize long term quality thrust through a balanced interface between the quality efforts of various units. The proposed approach is unique in that it considers relationships between internal quality activities and national quality award criteria and that it identifies and utilizes the quality responsibilities of functional units in order to encompass organizational roles in the evaluation process. The approach is illustrated via a numerical evaluation of a fictitious organization.

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A fuzzy multi-criteria decision making methodology for small and medium enterprises evaluation under intersectional dependence relations (교차종속관계하에서의 중소기업 평가를 위한 Fuzzy 다기준의사결정법)

  • 박영화;이상완
    • Korean Management Science Review
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    • v.14 no.1
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    • pp.11-29
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    • 1997
  • This paper presents the better efficient evaluation of the Small and Medium Enterprises by use of fuzzy multi-criteria decision making methodology under intersectional dependence relations. The five Small and Medium Enterprises alternative will be evaluated by Fuzzy Analytic Hierarchy Process(FAHP) based on entropy weight in this study. A case study is presented to illustrate the use of entropy weight measurement with intersectional dependence problems. These problems are evaluated seven criteria : market criteria, thchnology criteria, management ability criteria, planning criteria, propulsion ability criteria, project propulsion basis criteria, propulsion result criteria.

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Development of the Interface Usability Evaluation Technique Using Integration of AHP and Conjoint Analysis (AHP와 Conjoint Analysis간의 통합에 의한 인터페이스 사용성 평가 방법 개발)

  • Moon, Hyung-Don;Park, Beom
    • Proceedings of the ESK Conference
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    • 1998.04a
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    • pp.93-98
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    • 1998
  • Recently, consumers are tend to purchase the user-centered designed product using interface enginnering and human factors techniques. Therefore, it is important that the designer's requirements should be analyzed focused on the human machine interface. This paper described the interface usability evaluation technique(suvjective evaluation) for the interface between user and product. This methodology is the integrated interface usbility evaluation method AHP and Conjoint Analysis. AHP(Analytic Hierarchy Process) is a multicriteria decision model to give priority after expressing hierarchically for decision making problem. Conjoint Analysis enduavors to unravel the value, or partworths, that consumers place on the product or service's attributes from experimental subjects' evluation of profiles based on hypothetical products or services. A new usability test methodology proposed by this paper includes techniques jointed both consistency test by AHP and experimental subjective evaluation of profiles by Conjoint Analysis for evaluating the user's emotion and impression.

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