• Title/Summary/Keyword: Measurement criteria

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Measurement Scale Conversion for the Certification of Quality of Package Software (패키지 소프트웨어의 품질인증을 위한 측정척도변환)

  • 유영관;이종무
    • Proceedings of the Safety Management and Science Conference
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    • 2002.05a
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    • pp.193-197
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    • 2002
  • The certification of software products can provide a greater level of acceptance and feeling of security to customers of these products. This paper presents a certification method for the quality of package software. First of all, the evaluation criteria are derived from IS0/1EC 9126 and 12119 standards, and then the evaluation module are designed considering the measurement scale type. The results can be applied to construct the certification scheme of software product quality for the commercial purpose.

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Measurement Technology of Chamber Impedance for RF Matching (RF 정합 특성 개선을 위한 챔버의 임피던스 측정법)

  • 설용태;이의용;박성진
    • Journal of the Semiconductor & Display Technology
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    • v.2 no.4
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    • pp.13-17
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    • 2003
  • An adaptor is designed for chamber impedance measurement of plasma process. Copper rod, fixed board and compensation circuit are the major components of the adaptor. An adaptor can be to measure chamber impedance on time unless stopping a process and Data to measure can do the database. We can use it to a criteria data for a failure diagnosis. So developed adaptor could be used for diagnosis the plasma process chamber in semiconductor industry.

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Portable arousal measurement and analysis system (휴대형 각성도 측정 및 분석 시스템)

  • Ko, H.W.;Kim, Y.H.;Kim, C.J.;Lee, G.K.
    • Proceedings of the KOSOMBE Conference
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    • v.1996 no.05
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    • pp.60-64
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    • 1996
  • This paper describes the development of portable arousal measurement and analysis system. Skin impedance change which responds the change of arousal level was detected by the three electrode constant current method and separated into two components (SIR, SIL). Relationship between Nz, IRI and arousal level was studied and Criteria of arousal level control was decided by the sleep study.

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A Empirical Study on the Developments of Pay Satisfaction Measurements (임금만족 측정치 개발에 관한 실증적 연구)

  • 이광희
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.54
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    • pp.119-128
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    • 2000
  • This study develops the pay satisfaction questionnaire for Korean employees. Based upon the review of previous studies, 16 questionnaire items are developed. Exploratory factor analysis results in a modified measurement through item deletion, item-to-dimension reassignment, and dimension combination. The measurement model was good fit assessed by overall fit measures(GFI; goodness of fit index, AGFI; adjusted goodness of fit index, RMR; root mean square residual) criteria, lambda score, and squared multiple correlation with confirmatory factor analysis. Implication of this work for future theoretical and empirical development are suggested.

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Development of a 3D Semi-Automatic Measurement Protocol for Hand Anthropometric Measurement (손 치수 측정을 위한 3차원 반자동 측정 방법 개발)

  • Lee, Won-Sup;Yoon, Sung-Hye;You, Hee-Cheon
    • IE interfaces
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    • v.24 no.2
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    • pp.105-111
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    • 2011
  • Measurement protocols for hand anthropometry have been studied for ergonomic product design. The present study developed a 3D semi-automatic measurement protocol (3D-SAMP) which semi-automatically measures various hand dimensions using a 3D scanner. The 3D-SAMP was compared with the conventional direct measurement method (DMM) to examine its effectiveness. The 3D-SAMP consists of (1) fabricating a plaster cast of the hand, (2) placing landmarks on the plaster hand, (3) scanning the plaster hand with a 3D scanner, (4) identifying automatically the positions of the landmarks on the digital hand, and (5) extracting automatically hand anthropometric measurements (lengths, widths, thicknesses, and circumferences). An evaluation experiment conducted in the study found the 3D-SAMP preferred to the DMM in terms of reliability (the number of dimensions exceeding the variability criteria SD=2 mm and CV=5% : 3D-SAMP =2 and DMM=24) and ease of measurement (3D-SAMP=5.2 and DMM=4.3 out of 7). The 3D-SAMP can be applied to ergonomic design of a hand-held product.

Development of an evaluation tool for the quality of nursing care in abdominal surgery patients (복부수술 환자간호의 질평가 도구 개발)

  • Lee, Byoung-Sook
    • Journal of Korean Academy of Nursing Administration
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    • v.4 no.1
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    • pp.107-127
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    • 1998
  • The purpose of this study was to develop an evaluation tool for the quality of nursing care in abdominal surgery patient. The target subjects of the tool were adult patients having abdominal surgery under general anesthesia. Process-outcome framework was selected for the development of the tool in this study. The results were as follows. 1. Nine standards. 40 criteria and 88 indicators were developed. A standard was summary statement of the ideal level of excellencein a dimension of quality of nursing care. which could be evaluated by criteria. Several criteria indicated a specific standard and each criterion could be measured by observable and measurable indicators. 2. The standards were divided into two dimensions. One was process dimension which contained four standards(23 criteria), the other was outcome dimension which contatined five standards(17 criteria). 3. Average CVI was .985 at 9 standards. .947 at 40 criteria. and .987 at 88 indicators. 4. The evaluation tool for the quality of nursing care in abdminal surgery patients was a criterion-referenced tool. And data collection methods of the tool were investigation of patient's record and interview( or questionnaire) with the patients. 5. Interrater reliabilities of the tool were ; r= .7572 (agreement between two raters), and pI=.8487 (intraclass correlation between five raters who rated the 84 patients). 6. Internal consistency reliability ${\alpha}$ was .6194, which was obtained from 32 criteria. Eight criteria were missed in the analyzing process because of data omission. 7. Scores of the process and the outcome dimensions showed significant. but low correlation(r= .3759, p < .001). 8. There were significant differences in total scores between the hospitals and the departments of surgery(F = 15.233. p .0001). There was also significant interaction effect between hospitals and departments to total score(F = 8.396. p = .0001). Construct validity of the toool was verified by the known-group method. these kinds of difference were expected by the nursing experts participated in the study. From these results, more specific patient classification is suggested for the development of evaluation tool of the quallity of nursing care. And indicators to be used for objective measurement for the quality of nursing care must be developed.

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COTS Component Quality Evaluation Using AHP

  • Oh Kie Sung
    • Proceedings of the IEEK Conference
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    • 2004.08c
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    • pp.712-716
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    • 2004
  • Because of rapid development of software technology, a number of software professionals have been concerned with component-based development methodologies. Up to date, the evaluation of component quality has been focused on object-oriented metric based methodology. But this paper presents the selection process and evaluation criteria based on an MCDM(Multiple Criteria Decision Making) technique for the selection of optimal COTS component from consumers' viewpoints. We considered functionality, efficiency and usability based on ISO/IEC 9126 for quality measurement and conducted practical analysis into commercial EJB component in internet. This paper shows that the proposed selection technique is applicable for the selection of the optimal COTS component.

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Development of an Analytic Hierarchy Process Model for the Bidder Selection of a Large Construction Project (대형공사의 최적입찰자 선정을 위한 계층분석과정(AHP) 모형의 개발)

  • 정병호;조권익
    • Korean Management Science Review
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    • v.16 no.1
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    • pp.75-85
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    • 1999
  • In recent, an unfaithful construction bring about many social problems. The bidding process considering bidding price firstly is one of the reasons raising an unfaithfull construction work. Thus, we should consider many other criteria including bidding price in the bidder selection process. This paper suggests an analytic hierarchy process(AHP) model for selecting the best bidder of a large construction project. A questionnaire was used to obtain domain experts' opinion about criteria to be considered in the bidding process. A hierarchical structure of the AHP model is formed using criteria obtained in the survey. The model consists of bidding price, construction capability, financial status, faith, and their 17 sub-attributes. The relative importance of bidders are judged by pairwise comparison or absolute measurement. An illustrative example is given to show the process selecting the best bidder using the suggested AHP model.

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Ship Radiated Noise Measurement Methods and Accuracy Analysis (선박 방사소음의 측정방법 및 정확도 해석)

  • Lee, Phil-Ho;Yoon, Jong-Rak
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.15 no.6 s.99
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    • pp.738-748
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    • 2005
  • The ship radiated noise level fluctuates by the difference of interference and reverberation according to measurement methods and environmental conditions. These phenomena cause error of the source level estimation even in the same environment conditions. This paper describes a quantitative analysis and a reduction method for an error value to the source level estimation in spatial and temporal interference environment. The design criteria of the radiated noise measurement array composed of omni-directional hydrophones and the source level accuracy in the deep water range are given. The source level accuracy in the shallow water range is also derived based on the statistical model of the multiple reflection paths. The results are verified using the water tank experiment and the sea trial.

Development of Extended Process Capability Index in Terms of Error Classification in the Production, Measurement and Calibration Processes (생산, 측정 및 교정 프로세스에서 오차 유형화에 의한 확장 공정능력지수의 개발)

  • Choi, Sung-Woon
    • Journal of the Korea Safety Management & Science
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    • v.11 no.2
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    • pp.117-126
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    • 2009
  • We develop methods for propagating and analyzing EPCI(Extended Process Capability Index) by using the error type that classifies into accuracy and precision. EPCI developed in this study can be applied to the three combined processes that consist of production, measurement and calibration. Little calibration work discusses while a great deal has been studied about SPC(Statistical Process Contol) and MSA(Measurement System Analysis). EPCI can be decomposed into three indexes such as PPCI(Production Process Capability Index), PPPI(Production Process Performance Index), MPCI(Measurement PCD, and CPCI(Calibration PCI). These indexs based on the type of error classification can be used with various statistical techniques and principles such as SPC control charts, ANOVA(Analysis of Variance), MSA Gage R&R, Additivity-of-Variance, and RSSM(Root Sum of Square Method). As the method proposed is simple, any engineer in charge of SPC. MSA and calibration can use efficientily in industries. Numerical examples are presentsed. We recommed that the indexes can be used in conjunction with evaluation criteria.