• Title/Summary/Keyword: Reliability Evaluation Criteria

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The Analysis of Water Supply Capacity using Reliability Criteria - for the Nakdong River Basin - (신뢰성 기준을 적용한 용수공급능력의 해석 - 낙동강유역을 중심으로 -)

  • 차상화;지홍기;이순탁
    • Journal of Environmental Science International
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    • v.11 no.12
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    • pp.1227-1233
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    • 2002
  • In general, the evaluation of water supply capacity is important factor to establish various establishment of water resource supply plan include water resource security and determination of dam's mass. But former researchs about estimation of water supply capacity were lack in continunity of evaluation basis, and didn't excute analysis on reliability criteria also. In this study, Nakdong river was selected for study basin, and then water supply capacity was analyzed by HEC-5 model using identical reliability criteria.

A Study on the Evaluation Criteria Development for Selecting Intensive Management Items and Its Application Plan (집중관리부품 선정을 위한 평가요소 개발과 활용방안 연구)

  • Woo, Hee-Sung;Jung, Sang-Gyu;Lee, Chang-Woo
    • Journal of Korean Society for Quality Management
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    • v.41 no.3
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    • pp.475-486
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    • 2013
  • Purpose: In this study, we propose the evaluation criteria and method for selecting intensive management items which, in order to improve the parts management.1) Methods: Parts management such as MIL-STD-3018, SD-19, SD-22 is used for devising the proposed evaluation criteria and method of selecting intensive management items. Especially, proposed evaluation criteria is customized by using AHP method. Results: We approved the importance of evaluation criteria for selecting intensive management items using AHP method. In production step, the parts problem record, the parts reliability, the supplier reliability, DMSM S1). In development step, the parts problem record, a counterfeit, the parts reliability, MTTF2). Conclusion: The evaluation criteria and method for selecting intensive management items which is applicable to the domestic weapon acquisition environment is proposed.

Case Study of Developing Evaluation Criteria for Students' Portfolios (학생 포트폴리오 경진대회 심사를 위한 평가준거 개발 사례연구)

  • Park, Kyung-Sun
    • Journal of Engineering Education Research
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    • v.15 no.4
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    • pp.76-84
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    • 2012
  • The purpose of this study is to develop an evaluation criteria for students' portfolios in an annual intramural contest. To accomplish the purpose, evaluation categories and their questions were developed after previous literature, ABEEK's evaluation guidelines, and eight Universities' evaluation forms were analyzed. Furthermore, experts' validity tests were completed by showing that the evaluation criteria form was validated with a mean score of 4.24. Also, the inter-rater reliability was turned out with a high score of .86. The interview results by evaluators of students' portfolios made the final version of evaluation criteria form include five evaluation criteria categories and their allotted score portions: overall organization(40), personal information(15), certificates and awards(5), curriculum(15), and extra-curriculum(15). The importance of overall organization was discussed from the perspectives of teachers as well as students.

The Development of the Meta-Evaluation Criteria for the Accreditation Evaluation System of Engineering Education in Korea (공학교육인증 평가체제의 메타평가 준거 개발)

  • Cho, Ok-Kyung;Choi, Keumjin
    • Journal of Engineering Education Research
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    • v.16 no.3
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    • pp.28-41
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    • 2013
  • The purpose of this study was to develop the Meta-Evaluation Criteria which can comprehensively and systematically evaluate and improve the Accreditation Evaluation System for Engineering Education. This will provide useful implications for establishing value, direction, and improvement remedy for Engineering Educations Accreditation System of Korea. In order to achieve the purpose of this study, Meta-Evaluation Criteria was developed to comprehensively and systematically assess and analyze the Accreditation Evaluation System of Engineering Education. The research methodology used to study these subjects: literature review, interviews with experts, Delphi survey (three times), survey, analysis of narrative opinion and secondary source. The results and conclusions of this study can be summarized as follows: First, the final Meta-Evaluation Criteria were developed so as to comprehensively and systematically assess and analyze the Accreditation Evaluation System of Engineering Education. The criteria's validity and reliability were also identified. Specific details are as follows: In a draft plan of the Meta-Evaluation Criteria, Meta-Evaluation concept was defined as evaluation on the whole range of Accreditation Evaluation System of Engineering Education. Meta-Evaluation Criteria was designed to be based on a systematic approach and applies the phased approach to the lower component to reflect evaluation's characteristics. Then validity and reliability of the developed draft plan was verified by calculating Content Validity Ratio (CVR), Degree of Consensus, Degree of Convergence and Cronbach's alpha. The final developed Meta-Evaluation Criteria obtaining validity and reliability were composed of 5 evaluation areas (environment, input, performance, result, utilization), 15 evaluation items, 68 evaluation indicators.

Reliability analysis and evaluation of LRFD resistance factors for CPT-based design of driven piles

  • Lee, Junhwan;Kim, Minki;Lee, Seung-Hwan
    • Geomechanics and Engineering
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    • v.1 no.1
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    • pp.17-34
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    • 2009
  • There has been growing agreement that geotechnical reliability-based design (RBD) is necessary for establishing more advanced and integrated design system. In this study, resistance factors for LRFD pile design using CPT results were investigated for axially loaded driven piles. In order to address variability in design methodology, different CPT-based methods and load-settlement criteria, popular in practice, were selected and used for evaluation of resistance factors. A total of 32 data sets from 13 test sites were collected from the literature. In order to maintain the statistical consistency of the data sets, the characteristic pile load capacity was introduced in reliability analysis and evaluation of resistance factors. It was found that values of resistance factors considerably differ for different design methods, load-settlement criteria, and load capacity components. For the total resistance, resistance factors for LCPC method were higher than others, while those for Aoki-Velloso's and Philipponnat's methods were in similar ranges. In respect to load-settlement criteria, 0.1B and Chin's criteria produced higher resistance factors than DeBeer's and Davisson's criteria. Resistance factors for the base and shaft resistances were also presented and analyzed.

Development of an evaluation tool for the quality of nursing care in neurosurgical intensive care unit patients (신경외과 중환자 간호의 질평가 도구개발)

  • Kim, Nam-Young;Jang, Keum-Seong
    • Journal of Korean Academy of Nursing Administration
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    • v.7 no.2
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    • pp.285-300
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    • 2001
  • To meet standards for high quality of care and satisfied customers, an evaluation tool about nursing care is necessary. And, We need to evaluate our practice continuously for the improvement in quality and outcomes. This study was intended to develop an evaluation tool about nursing care in NSICU, and was progressed of 3 steps; development, content validity verification and reliability verification. Data were obtained and analysed from Feb. To April, 2000. Development process of the study was as follows A preliminary list was made item by item on the basis of clinical Experience, literature review and patients' record review. Then the standards, criteria and indicators of preliminary evaluation tool were set by 5 clinical nursing panel, and their content validity was reviewed by 27 ICU nurses. Finally, an evaluation tool was developed and verified the reliability at c-university hospital located in Kwang-Ju. The results of this was as follows 1) The evaluation tool of this study developed 8 standards, 39 criterias and 106 indicators. The standards were divided into two dimensions. One was process dimension which contained 4 standards(26 criteria), The other was outcome dimension which contained 4 standards(13 criteria). 2) the Average content validity of the tool was 3.39 at standards, 3.55 at criteria and 3.51 at indicators. 3) Interrater reliability of the tool is r=.7993(p<.001) & internal consistency reliability ${\alpha}$ is .6031 4) Scores of NSICU Patients who participated in this study were 57 at total mean score, 58 at process mean score and 56 at outcome mean score The evaluation tool developed in this study seems to be useful in evaluation nursing practice appropriately for the improvement of nursing care in NSICU. I hope that this evaluation tool can be used effectively in NSICU as an intervention for the improvement of quality control.

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A Study on the Application of Fashion-Related Internet Web Sites and Their Evaluation (패션관련 인터넷 사이트의 활용실태 및 평가)

  • Kim, Hee-Sook;Na, Mi-Hee
    • Korean Journal of Human Ecology
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    • v.11 no.1
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    • pp.69-78
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    • 2002
  • The purpose of this study was to investigate the application of fashion-related web sites and their evaluation. 76 college students major in fashion design were surveyed and the evaluation criteria were classified into five categories such as the accuracy/reliability, the design of a picture, the ease of application, the communication/security, and additional services. The results of this study were as follows: 1. College students used web sites mostly to search for fashion trend information from magazine and fashion information sites. 2. While the media site was excellent in the evaluation criteria such as the accuracy/reliability, the design of a picture and the communication/security, the fashion information site was excellent in the evaluation criteria such as the accuracy/reliability, communication/ security and additional services. 3. The media site and the fashion information site generally ranked high and the fashion brand site ranked low in most evaluation items. 4. By the results of ANOVA, 12 items showed significant differences out of the total 19 items. 5. Out of the total evaluation items, the design of a picture ranked highest and the external link function ranked lowest.

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Reliability Evaluation Criteria and Multi-Stress Aging Test for Polymer Insulator (폴리머 현수애자의 신뢰성 평가 및 복합가속열화 방법)

  • Park, Hoy-Yul;Kang, Dong-Pil;Ahn, Myeong-Sang
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2004.07a
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    • pp.469-472
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    • 2004
  • There have been numerous accelerated aging laboratory tests for evaluating suitability of polymeric materials and devices. Aging test for materials and its full scale device has been conducted, but poor correlation of aging test such as service experience were observed. Service experience plays a key role in the utility section of composite insulators. A meaningful and reliable accelerated aging test is needed for evaluating composite insulator. During the service these insulators are subjected to aging stress such as humidity, pollution, and electrical field, and erosion and tracking of the weathershed occurs. This paper presents the criteria of reliability evaluation and evaluation facilities for 22.9 kV suspension composite insulator. We adopt the criteria of reliability evaluation consist of two test methods. One is CEA tracking wheel test for examining the tracking and erosion performance of composite insulator. The other is multi-stress aging test for examining effects of environmental factors such as UV, temperature, humidity, etc on composite insulator.

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Security Evaluation Criteria for Firewalls in Kirea

  • Lee, Cheol-Won;Hong, Ki-Yoong;Kim, Hak-Beom;Oh, Kyeong-Hee;Kwon, Hyun-Jo;Sim, Joo-Geol
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.8 no.3
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    • pp.63-78
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    • 1998
  • Recently, to use the evaluated firewall is recognized as a solution to achieve the security and reliability for government and organizarions in Korea. Results of firewall evaluation using ITSEC(Information Technology Security Evaluation Criteria) and CCPP(Common Criteria Protection Peofile)have been announced. Because there are problems to apply ITSECor CCPP for the firewall evaluation in korea environment, korea government and korea Information security Agency (KISA) decided to develop our own security dvaluation critrtia fir firewalls.As a result of the efforts, Korea firewall security evaluation criteria has been published on Feb. 1998. In this paper, we introduce Korea security evaluation criteria for firewalls. The ceiteria consists of functional and assurance requirements that are compatible with CC Evaluation Assurance Levels(EALs)

Development of Evaluation Criteria for Forest Education Using the CIPP Model

  • Kim, Soyeon;Choi, Jungkee
    • Journal of Forest and Environmental Science
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    • v.36 no.2
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    • pp.163-172
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    • 2020
  • The objective of this study was to develop evaluation criteria for forest education using the Context, Input, Process, and Product (CIPP) model. To this end, we designed a survey based on expert advice and content analysis of previous studies on the CIPP model and forest education. The survey was conducted on 393 forest education specialists, and Cronbach's α coefficient was set as 0.6 or higher to verify reliability and validity, and to determine reliability by factor. Eventually, 52 out of 57 evaluation items were extracted, and the evaluation indexes were selected through factor analysis as follows: four evaluation indexes for the context dimension, namely "Clarity of goal setting," "Developing conditions for education," "Meeting of requirements," and "Institutional drive"; three evaluation indexes for the input dimension, namely "Acquisition of education infrastructure," "Establishment of operational support," and "Adequacy of assigned manpower"; four evaluation indexes for the process dimension, which were "Adequacy of budget allocation," "Expertise of forest education instructors," "Diversity of programs," and "Public-private academic partnership"; and five evaluation indexes for the product dimension, namely "Effectiveness of perception change," "Influence over the society," "Continuity of improvement in evaluation," "Continuity of education," and "Verification of the effects of education."