• Title/Summary/Keyword: Quality testing

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A Rectifying Inspection Plan Giving LTPD Protection for Destructive Testing (파괴검사시(破壞檢査時)의 계수선별형(計數選別型) LTPD 보증(保證)샘플링 검사방식(檢査方式))

  • Yu, Mun-Chan
    • Journal of Korean Society for Quality Management
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    • v.15 no.1
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    • pp.68-75
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    • 1987
  • A rectifying inspection plan is considered for the case of destructive testing. Screening inspection for rejected lots is performed by some nondestructive testing which is prone to misclassification errors. Apparent defectives found in the screening process is replaced with apparent good items. The plan provides LTPD protection on each individual lot while the sum of the cost of testing and the cost due to producer's risk at process average quality is minimized. A brief discussion on average outgoing quality is also given.

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A Study on RUP based Component Quality Evaluation (RUP기반 컴포넌트 품질 평가에 관한 연구)

  • O, Gi-Seong;Ryu, Seong-Yeol
    • The KIPS Transactions:PartD
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    • v.9D no.1
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    • pp.103-110
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    • 2002
  • In component-Based Software Development, the quality of indivisual component is play an important role in quality decision of the whole software. So we need the practical strategy for component testing. In general, component testing can divide focus into producer position and consumer position. In this paper, because the consumer position uses output of the producer position, testing domain is deployed in the producer position. We propose RUP based five step testing processes for component quality evaluation and implements a case study of EJB environment for appling our testing process. This paper shows that proposed five step processes are applicable to component quality evaluation.

On the Application Plan Study of International Standard Tendency in Software Quality Testing (소프트웨어 품질 평가 국제 표준 적용 방안에 대한 연구)

  • Jung Hye-Jung
    • Journal of Internet Computing and Services
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    • v.7 no.4
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    • pp.1-10
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    • 2006
  • We are studying international standard about the software quality evaluation. The software quality has been more important on users and developers. In this paper, first, we study international tendency of the inside and outside of the country in software quality evaluation for evaluating the software quality objectively and quantitatively, Second, we notify a new direction for software quality standard of inside and outside of country. Third, we study on the testing method of software reliability for making use of the software reliability growth model. Fourth, we spread method about standard of the software quality evaluation, fifth, we research into the international standard ISO/IEC 9126 and ISO/IEC 25000 series for evaluation of software quality testing, and we propose to the application plan of software quality testing.

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A Study on the Relationship between Service Quality, Customer Satisfaction, and Long-term Orientation for Eco-Friendly Car Maintenance Using Service Profit Chain Model: Focusing on Comparison between Internal and External Customers (서비스 이익 사슬 모델을 활용한 친환경 자동차 정비 서비스품질, 고객만족, 장기지향성 간의 관계에 대한 연구: 내부 및 외부 고객 간 비교를 중심으로)

  • Jung Yup Hwang;Chan Kwon Park;Chae Bogk Kim
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.46 no.2
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    • pp.82-101
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    • 2023
  • This study is to identify the maintenance service quality of eco-friendly cars, which are rapidly increasing recently. Research is conducted by synthesizing research from the perspectives of internal employees and external customers by using the service profit chain model. Specifically, it is to study the overall structural relationship between internal customer satisfaction, physical quality, interaction quality, outcome quality, external customer satisfaction and long-term orientation. For the study, 202 questionnaires were collected from internal employees and 204 questionnaires from external customers. The results of testing the research hypotheses targeting the internal employee group are as follows. As a result of testing hypothesis 1, internal customer satisfaction has a significant positive (+) effect on physical quality and interaction quality. As a result of testing hypothesis 2, the service quality of eco-friendly car maintenance has a significant positive (+) effect on each other. As a result of testing hypothesis 3, physical quality and outcome quality have a significant positive (+) effect on external customer satisfaction. The results of testing the research hypotheses targeting an external customer group are as follows. As a result of testing hypothesis 2, in the relationship between eco-friendly car maintenance service quality, physical quality has a significant positive (+) effect on interaction quality, and interaction quality has a significant positive (+) effect on outcome quality. As a result of testing hypothesis 3, interaction quality and outcome quality have a significant positive (+) effect on external customer satisfaction. As a result of testing Hypothesis 4, external customer satisfaction has a significant positive (+) effect only on intention to reuse. Finally, as a result of examining the difference in perception between the internal employee group and the external customer group in eco-friendly car maintenance service quality and external customer satisfaction, it was verified that there was a significant difference only in outcome quality and external customer satisfaction.

The Quality Analysis Model for Software Testing (소프트웨어 평가를 위한 품질 분석 모델)

  • Jung, Hye-Jung
    • Journal of Digital Convergence
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    • v.11 no.3
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    • pp.293-298
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    • 2013
  • We consider about software quality nowadays. The company considers about software quality more and more compare to software development. We analyze the software testing data in this paper. We find the software effect according to the number of testing, the number of testing date, the number of fault according to characteristics. Also, we analyze the result by regression. Also, we propose the testing effect by sex.

An evaluation on the quality of mathematics instruction for 8th grade based on the instructional quality profile (교수 질 프로필(IQP)에 기반한 중학교 2학년 수학과 교수의 질 분석)

  • Lee, Bongju;Han, Inki;Suh, Boeuk
    • East Asian mathematical journal
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    • v.34 no.2
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    • pp.103-125
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    • 2018
  • This study was conducted as a part of the project to evaluate the quality of mathematics instruction in the national curriculum system. The purpose of this study is to measure the consistency between teaching goals of mathematics curriculum, contents presentation of textbooks, and testing including adequacy of each element in mathematics instruction for 8th grade. To do this, we used MIQP (instructional quality profile for Mathematics) developed basing on the instructional quality profile (IQP) in the previous research of the project. First, the quality of textbooks' content presentation for 8th grade was found that the desirable levels in number and operation area and geometric area was relatively less compared to other areas, but it was generally good. Second, it was found that the quality of mathematics testing for 8th grade was good in terms of consistency with the curriculum's teaching goals, consistency with the content presentation of textbooks, and adequacy of testing. However, regional differences in the quality of testing showed that there were some deficiencies in regions outside the metropolitan.

Equivalence testing and its applications in industry (공업통계분야에서 동등성 검정 및 그 응용)

  • Baik, Jai-Wook
    • Journal of Korean Society for Quality Management
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    • v.36 no.4
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    • pp.1-6
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    • 2008
  • As more and more data are collected one may ask whether the data collected within a short period of time are same. In this case traditional hypothesis testing of $H_o:{\mu}_1={\mu}_2$ vs $H_1:{\mu}_1{\neq}{\mu}_2$ is used to determine whether the data are same when there is no knowledge about equivalence testing. However, this type of hypothesis testing has the undesirable property of penalizing higher precision. So TOST is to be performed in the event of equivalence testing. In this study equivalence testing is introduced where one can find the applications in industry. Traditional two sample t testing is to be compared with the equivalent testing and the procedure to perform the equivalence testing is to be presented along with an example. Finally equivalence testing in terms of the other parameters such as variance, proportion or failure rate is to be sought.

A Study of the Data Qualituy Evaluation (데이터 품질 평가에 관한 연구)

  • Jung, Hye-Jung
    • Journal of Internet Computing and Services
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    • v.8 no.4
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    • pp.119-128
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    • 2007
  • In this paper, We study on the Data Quality Model of ISO/IEC 25012 among the Software product Quality Requirements and Evaluation(SQuaRE) in ISO/IEC 25000 Series. Because of the increasing data, user require the accuracy data, recent data, suitable data for used tools, complied security and not open to be public. We research the data quality management in the point of application of be affect influenced low quality in business. We propose the testing items and we propose the method of the evaluation proposed testing items. We study on the basis international Standards ISO/IEC 25012 and ISO/IEC 9126-2 and we proposed the testing method quantitatively on the basis of ISO/IEC 25000.

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A Feasibility Evaluation on the Outsourcing of Quality Testing and Inspection

  • Choi, Minsoo;Kim, Moohan
    • Architectural research
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    • v.9 no.1
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    • pp.47-52
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    • 2007
  • The purpose of this research is to evaluate the feasibility of outsourcing test/inspection activity in construction work. This research conducted a questionnaire of interested parties as well as a survey by Analytic Hierarchy Process (AHP) with experts on quality control. For the evaluation by AHP, five criteria were adopted and a number of pair-wise comparisons were conducted through two stages. Finally, the weighting coefficient to approve the outsourcing was calculated at 0.606 and it therefore appeared more reasonable to permit rather than prohibit outsourcing. According to the AHP result, it was found that outsourcing would be necessary to enhance the objectivity and specialties of quality testing and inspection, even though somewhat undesirable in terms of enhancing a sense of responsibility and systemically conducting the testing and inspection.