• Title/Summary/Keyword: Result Analysis and Evaluation

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Study on quantitative danger evaluation technique about frequency and strength of occurrences through accident analysis of laboratories (실험실의 사고분석을 통한 발생빈도 및 강도의 정량적 위험성 평가 기법에 관한 연구)

  • Kim, Jong-In;Rie, Dong-Ho;Choi, Soon-Young
    • Proceedings of the Safety Management and Science Conference
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    • 2008.11a
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    • pp.623-631
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    • 2008
  • In this study, with the objects of 173 institutions of university and research institutions, investigation was carried out through visit investigation and questionnaire investigation. Frequency and strength of occurrences was acquired mainly through universities and research institutions which have reported occurrences of accidents to the Ministry of Education, Science, and Technology. Quantitative danger evaluation was conducted through frequency and strength of occurrences. Case study was carried out by selecting bio science laboratory of university and as the result of this study, degree of danger among the inspection objects of bio science laboratories, laboratory work place was evaluated as the most dangerous with the scores of 155.00 and as the result of average danger level, compression gas cylinder was evaluated as the most dangerous with the scores of 6.4000.

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Evaluations and Attitudes of Workers in Low Temperature Storages of Discount Stores Toward their Uniforms (대형 할인 마트 저온 창고 작업자의 유니폼에 대한 평가와 태도)

  • Yoo, Hwa-Sook
    • Fashion & Textile Research Journal
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    • v.13 no.4
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    • pp.538-547
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    • 2011
  • The purpose of this study was to examine the evaluations and attitudes of workers in low temperature storages of discount stores toward their uniforms by carrying out a field study and a survey. The effects of evaluation attributes on their attitudes were also investigated. In this study, the reference of the evaluation of uniforms was based on the concepts of serviceability, which implies the fitness for purpose of products and consists of durability, care, comfort and aesthetic appearance. Of 400 questionnaires, 253 of them were used for data analysis. The data were analyzed by descriptives, t-test, factor analysis, reliability test and regression analysis with SPSS 12.0. As a result, it showed that workers have set low values on easy care, physiological comfort, aesthetic appearance and durability among the evaluation attributes. In attitudes toward the uniforms, emotional attitude was negative whereas behavioral attitude positive. It appeared that the evaluation attributes had influence on the attitude toward the uniforms and esthetic appearance among the attributes had the biggest effects on the workers' attitude. In conclusion, it was found that the discount store uniforms should be improved in the aspects of easy care and physiological comfort, and focused on the esthetic appearance for workers' positive attitudes to their uniforms.

Evaluation Method for Fit of Golf wears based on 3D Motion Analysis - Focus on motion range of upper body - (3차원 동작분석법을 활용한 골프웨어 평가를 위한 기초연구 - 상체 동작범위를 중심으로 -)

  • Chung, Hye-Won;Shin, Ju-Young Annie;Nam, Yun-Ja
    • Fashion & Textile Research Journal
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    • v.18 no.3
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    • pp.338-350
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    • 2016
  • The purpose of this study is to analyze joint angle for a range of swing motion derived through 3D motion analysis in order to design the ergonomic golf wear, use it for evaluation method of apparel fit to improve exercise functionality and provide the basic materials necessary for designing clothes. In order to do this, the subjects for this study were 3 men of age 20s. The data for a range of motion of golf swing were collected by using equipment for 3D motion analysis and then were used for analysis of joint angles and evaluation method of apparel fit. Range of motion was derived through 3D motion analysis of golf swing motion and joint angles for items of joint motion item and of X, Y, and Z-axis were calculated, respectively. In order to set the evaluation questions for evaluation of apparel fit, to find a range of motion at the maximal value and the minimal value of swing motion. As a result, during the swinging motion, neck extension, right shoulder extension, right/left elbow extension, right/left elbow supination did not appear. Items of joint motion showing the maximum at range of each swing motion were applied into 55 questions and consisted. The results of this study were meaningful as a basic study to apply 3D motion analysis to the fashion industry. It's expected to be used to design functional clothing.

A Study on Performance-based Evaluation Method for Rock Slopes : Deduction of Evaluation Factors (암반비탈면의 성능기반 평가기법 연구 : 평가항목 도출)

  • Lee, Jong-Gun;Suk, Jae-Wook;Kim, Hong-Kyoon;Kim, Yong-Soo;Moon, Joon-Shik
    • Tunnel and Underground Space
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    • v.25 no.1
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    • pp.86-96
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    • 2015
  • In this study, the performance-based evaluation factors for rock slopes have been deducted using Delphi-method. Validity of the result was verified through factor analysis. Performance of rock slope is classified as soundness, stability and durability. Through the Delphi survey, 17 factors including discontinuity orientation are deducted for soundness, 4 factors and 3 factors are selected for stability and durability, respectively. Validation is conducted using Exploratory Factor Analysis (EFA) for 24 factors, and all factors are found to be valid. As a result of Exploratory Factor Analysis (EFA), 3-types of performance were subdivided into internal soundness, external soundness, risk, damage and durability of slopes and protection (reinforcement) facilities.

Child Care Service Quality Management Through the Evaluation of Efficiency at Child Care Centers: An Evaluation with Data Envelopment Analysis

  • Song, Seung-Min
    • International Journal of Quality Innovation
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    • v.9 no.2
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    • pp.1-9
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    • 2008
  • This paper proposes a scheme to estimate the technical efficiency at child care centers for the less-than-three-year-old infants by Data Envelopment Analysis (DEA) and to manage the quality of care service through implementing flexible and efficient government subsidy system. The result of technical efficiency estimation shows that there exists the heterogeneity in technical efficiency a substantial opportunity for improvement in technical efficiency across child care centers. This result implies that government may bring up the competition by giving subsidy differentially based on efficiency and use the money which has been used inefficiently other purposes. Both can improve the quality of child care service.

Energy Regression Analysis for Economic Evaluation of Cooling Plants (냉방열원의 경제성 평가를 위한 건물에너지 회귀식 산출)

  • 김영섭;김강수
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.14 no.5
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    • pp.377-384
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    • 2002
  • For economic evaluation of cooling plant equipments, it is necessary to simplify energy Prediction method, which should includes efficiency corrected by part-load ratio. This study proposed simplified method with regression equations of time-average partial loads and refrigerator capacity. DOE-2 Program was used to carry out a parametric study of twelve design variables. Five input variables were considered to be significant and were used in the regression equations. To test accuracy of simplified method, calculated results were compared with DOE-2 simulated results. Test result showes a good agreement with the simulation result with an error of 5.9∼7.6%. It is expected that this method can be used as an easy prediction tool for comparing energy use of different cooling plants during the early design stage.

A Study on the Analysis of Residential Environment based on Object-oriented 3D CAD System (객체지향 3D캐드를 이용한 공동주택 환경(일조, 조망)분석에 관한 디지털적 분석방법 연구)

  • Ryu, Jeong-Won
    • Journal of The Korean Digital Architecture Interior Association
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    • v.5 no.2
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    • pp.9-14
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    • 2005
  • The analysis system has been needed to pre-evaluate and analyze the right for sunlight and the right for view in a residential environment since the urban high density and high rise residentinal building types have been prevailing these days. The purpose of this study is to propose an digital analysis method to evaluate sunlight and view conditions in a residential environment to improve the system performance in the sense of speed and accuracy. The digital analysis method using the object-oriented 3D CAD system and parametric library is studied and applied in the system and the various outputs of the analysis system makes possible to modify the design with the speed and accuracy as a result of the analysis. The study includes the evaluation for a daylight and view condition of each unit, and the interruption degree to a vicinity environment in terms of sunlight and view conditions comparing before and after construction.

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A Study on the Analysis of Performance Appraisal Tools for Nurses (간호사의 근무평정도구 분석에 관한 연구)

  • Park, Hee-Ok
    • Journal of Korean Academy of Nursing Administration
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    • v.10 no.1
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    • pp.25-36
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    • 2004
  • Purpose: Nursing puts much weight en the organization of hospital. Therefore it is necessity to improve nursing care. One of the most important things is to secure confident nurses and to develop nurse' potentiality. It directs nurse evaluation system. The concept of "performance appraisal tools" is extremely important in evaluation system. Therefore, the purpose of this study aims to define performance appraisal process. Method: In order to do this, two main study has been observed interviewing appraisers and employees in-depth and analyzing performance appraisal tools of seven hospitals and analysed validity, reliability, acceptability and practicability. Result: The result of this study can be summarized as follows; Firstly, the result of analysis of performance appraisal tools. Regard to validity, Hospitals had a typical goal, but had not put to practice use. Regard to reliability, 1) Appraisal rule had been focused on appraiser's error, how to avoid. 2) 5 hospitals accessed nurses with relative rating and 2 hospitals with absolute rating both in practice. 3) 3 hospitals informed nurses the result of performance appraisal but 4 hospitals did not. 4) All hospitals in this study had conducted superiors rating. Regard to acceptability, 1)Rating scale method had been implemented by 6 hospitals and among those conducted beth ranking method and descriptive method. 2) Most hospitals had focused on personal traits in performance appraisal factors. Regard to practicality, The term of appraisal took $10{\sim}14$ days; performance appraisal happened 1 or 2 times per year; appraisal factors were based on 10 different items. Secondly, the result of in-depth interview with head nurses and staff nurses Regard to validity, head nurses and nurses wared that the goal of performance appraisal is to develop nurse's ability. Regard to reliability, head nurses pointed out that they were doubt of the justice of performance appraisal and they should have got training. Nurses insisted that raters should have been trained due to lack of qualification of appraiser; Head nurses and nurse proposed to convert form relative rating to absolute rating; to inform the result of appraisal; to implement peers rating. Regard to acceptability, One of the critical problems of performance appraisal tools was abstract of appraisal factors ; Lack of job analysis. Regard to practicality, Head nurses used to take overtime for appraisal. There was only a little respond despite of their efforts. Nurses questioned that appraisal tools exist for only appraisal; there was less cost-effectiveness. Conclusion: Based en these findings, it could be suggested to improve the performance appraisal tools for nurses evaluation. Firstly, it is necessary to describe goal of performance appraisal clearly set up, so that nurses could improve their positive word performance and develop their potentiality. Secondly, it is necessary to obtain various training on raters, implement absolute rating and inform the result of appraisal to nurses and use peers rating. Thirdly, it is necessary to convert from rating scale method to management by objectives or behaviorally anchored rating scale and take measurable appraisal factors based en job analysis. Finally, it is necessary to reduce the appraisal cost but increase effectiveness of performance appraisal.

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Seismic Reliability Evaluation of Electric Power Transmission Systems Considering the Multi-state of Substations (변전소의 다중상태를 고려한 송전시스템의 내진 신뢰성 평가)

  • 고현무;박영준;박원석;조호현
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 2003.09a
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    • pp.66-73
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    • 2003
  • The technique for the seismic reliability evaluation of the electric power network is presented. In the previous study, the state of the substations was represented by the bi-state which is classified as failure or survival. However, the hi-state model can result in oversimplified analysis, because substations are worked by the parallel operating system. In this paper, Considering the characteristics of the parallel operating system, the damage of the substation is expressed by the multi-state for the more realistic seismic reliability evaluation. Using Monte-Carlo simulation method, the seismic reliability for Korean 345㎸ electric power network is evaluated. Analysis results show that reliability levels of the network by the multi-state analysis is higher than that by the hi-state analysis and the electric power network in southeastern area of the Korean Peninsular may be vulnerable to earthquakes.

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Development of Performance Evaluation Protocols for Physicians in a University Hospital (한 대학병원의 진료과별 업무성과 평가 도구 개발 과정)

  • Kim, Chang-Yup;Kim, Sunmean
    • Quality Improvement in Health Care
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    • v.5 no.2
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    • pp.296-310
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    • 1998
  • Background : Performance evaluation of medical care providers has become more important than before in Korea. Especially in university hospitals, job contents of medical staffs are so complicated that evaluation is not easily performed. In addition, in order that the feedback of evaluation be successful, acceptance of staffs to be evaluated is essential. This study is aimed at the development of items for evaluation and weighting of each item in one university hospital, and clustering departments by different weight given by medical staffs. Methods : Through resource group meeting. performance items were listed up by categories of education, research, medical services, and other activities in and out of the hospital. For each item, all the medical staffs were asked how important they thought, compared with publishing one original article. By factor analysis, the items in each category were grouped into a few subgroups. In turn, cluster analysis was done for the purpose of grouping departments by priority the medical staffs gave. Results and Conclusion : Among five major categories, medical staffs regard education, research, and medical services more important than other activities in and out of the hospital. Five categories consisted of two or three components. Departments in hospital were grouped into three. However, characteristics of each group was not clearly delineated. This result suggests that more comprehensive tool should be developed and applied in the process of performance evaluation in university hospitals.

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