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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean society for quality management
Journal Basic Information
Journal DOI :
The Korean Society for Quality Management
Editor in Chief :
Volume & Issues
Volume 37, Issue 4 - Dec 2009
Volume 37, Issue 3 - Sep 2009
Volume 37, Issue 2 - Jun 2009
Volume 37, Issue 1 - Mar 2009
Selecting the target year
An Effect of the Improvement Activities on the Financial Performance
Chung, Kyu-Suk ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 1~9
Top Managers are apt to do the decision making on the base of cost-benefit analysis. Therefore the return on quality is indispensable to get the commitment of the top managers on the quality programs. The monetary or tangible effects of the most improvement activities through the suggestion systems and the quality circle activities are computed and reported. In most cases the reported gains are much bigger than the input invested. In spite of the reported high return many top managers are doubtful about the truth of reports because the gains are not translated into the profit on the income statement. This paper discusses about the mechanism of individual improvement activities and analyze the system effect which sum the individual effect and the realization effect on the income statement during that period. This will help the top managers to commit on the quality programs with high confidence.
The effects of employee's success experience on business performance in six sigma activities
Yi, Ran-Young ; Shin, Ik-Ju ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 10~17
This study developed a new model for evaluating effects about the success of six sigma activities. This model consists of four constructs such as success of six sigma, employee's success experience, customer satisfaction, and business performance. Structural Equation Modeling (SEM) is used to analyze causality among the four constructs. Hypothesis were tested through a field study conducted for one hundred and thirty-one project leaders, who were asked to evaluate their experiences of six sigma projects. The results indicate that six hypothesis are statistically significant. As a result, the success of six sigma doesn't influence the customer satisfaction directly, but it influences customer satisfaction indirectly through employee's success experience. We find out that control for employee's success experience is important as well as success of six sigma in business innovation. Otherwise business performance is influenced directly by success of six sigma, that is business performance isn't influenced directly by employee's success experience but influenced indirectly through customer satisfaction. This study found that the change management raising employee's success experience is important in Six Sigma.
Effect of Managerial Ideologies on Service Quality and Organizational Effectiveness - Focused on the Moderating Effect of Job Emotionality -
Cho, Yung-Ho ; Lee, Hye-Sook ; Seo, Hyung-Do ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 18~32
This study investigates whether the efforts of infusing managerial ideologies or organizational visions affect service quality and organizational effectiveness for emotional workers. Data for the empirical analysis were collected from employees (doctors, nurses, and so on) in 14 hospitals on a national scale. The results indicate that ideological infusion efforts have a significant and positive effect on service quality, job involvement, and organizational attachment. Interestingly, the effect of these efforts is greater than the effects of other employment conditions like wage, employment security, and social support.
Sensitivity analysis of software reliability metric estimator for Software Reliability Growth Models
Kim, Dae-Kyung ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 33~38
When we estimate the parameters of software reliability models, we usually use maximum liklihood estimator(MLE). But this method is required a large data set. In particular, when we want to estimate it with small observed data such as early stages of testing, we give rise to the non-existence of MLE. Therefore, it is interesting to look into the influence of parameter estimators obtained using MLE. In this paper, we use two non-homogenous poisson process software reliability growth model: delayed S-shaped model and log power model. In this paper, we calculate the sensitivity of estimators about failure intensity function for two SRGMs respectively.
A new approach to structuring the process based on design structure matrix (DSM)
Seol, Hyeon-Ju ; Kim, Chul-Hyun ; Lee, Chang-Yong ; Park, Yong-Tae ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 39~53
This paper suggests a new process structuring method, which we call process modularization, for decomposing and grouping activities in a process. Above all, we propose the concept of a module that is a group of activities positioned on the same flow before and after control constructs. Since activities in a module are relatively strongly interrelated with one another, it is important to take into consideration of these together. A design structure matrix (DSM) is used to structure the process because it has a lot of advantages in process modeling and analysis. We developed two algorithms: the restricted topological sorting (RTS) algorithm for ordering activities and the module finding (MF) algorithm for detecting modules in a process, which utilize the DSM. The suggested approach enables a firm's manager to design and analyze the process effectively. We also developed a supporting tool to accelerate the progress of process modularization. The supporting tool aids the process manager in finding the module and understanding the process structure easily. An illustrative example is addressed to show operations of the suggested approach.
An Empirical Study on Associations among Learning Organization, Suggestion Activities, and Six Sigma Performance
Yu, Ji-Soo ; Kim, Ju-Young ; Kim, Hye-Jeong ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 54~64
This study conducts an empirical analysis of how the suggestion activity, most widely used in quality control activities, interacts with the dimensions of learning organizations. The study also attempts to analyze the results of Six Sigma based on sub-dimensions of learning organizations, which are infrastructure, culture and system. In order for learning and innovation to take place in implementing a Six Sigma program, the organizational infrastructure and culture are created and sustained and then, a learning organization system would become effective. In this study, a empirical model is used to demonstrate such an association. The sample consists of 134 organizations who have implemented a Six Sigma program for more than three years. Using the version 16.0 of AMOS for structural equation modeling, the study estimates the structural equation model that has a Six Sigma organization's infrastructure, culture and system as independent constructs, the suggestion system as a mediator, and the performance of Six Sigma projects as a dependent construct.
The Performance Evaluation on Unique Business of Public Enterprise using the DEA Model
Lee, Sang-Chul ; Suh, Yeung-Ho ; Park, Sang-Chan ; Moon, Jae-Young ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 65~73
This research analyzes results and efficiency to promote a government enterprise of A Korean public enterprise to use DEA. Especially, we were used analysis efficiency which are one is year-on-year, another is integrated, and the other is vertical analysis. As a results of integrated analysis show that Gyeonggi_2003 Gyeonggi_2004, Gangwon_2004, Chungcheon-Bukdo_2003, Chungcheon-Bukdo_2004, Cholla-Namdo_2005, and Kyongsang-Bukdo_2003 need to improve upon. Year-on-year analysis result that Gyeonggi, Gangwon, and Kyongsang-Bukdo need urgent improvement. Today, many advanced countries approach not only agricultural investment but also synthetic investment because they believe that agriculture contains living space including food control. Therefore, when the government make a strategic plan for the land and water development in the field of agriculture, they should prepare it well including the proper measures to cope with the internal and external environments.
Case study: Improvement of Purchase Conversion Rate in Mobile Game Site using Six Sigma Process
Kim, Yong-Soo ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 74~82
This article presents a six sigma project for improving purchase conversion rate in mobile game site. The project was carried out based on DMAIC process. First, a defect rate is defined as low purchase conversion rate. In addition, 60-days purchase data was analyzed and it is shown that the defects level was 2.48 sigma level. In this study, in order to raise the sigma level, six personalization services were used in the mobile game site. Six factors were determined based on FDPM(Functional Deployment Process Map), fishbone chart, linear regression analysis, effort-performance matrix, and so on. The sigma level of defects has improved from 2.48 to 2.93.
A Stepwise Approach to Product Safety Management
Ro, Hyung-Bong ; Lee, Joung-Hee ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 83~93
This study proposes a stepwise approach to product safety management(PSM), of which roadmap consists of five phases. ISO 9001 QM model is assumed as the first-phase model and each higher-phase model is built by adding a corresponding module to the lower one. In the phase order, those modules are CCMS, a failure to warn, manufacturing defect and design defect. The progress in PSM of a domestic food company is discussed.
A Method of an Accurate Six Sigma Financial Effect Measurement and Connecting the Financial Effect to the Corporate Income Performance
Kim, Ho-In ; Jeong, Jae-Ho ; Kim, Chan-Mo ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 94~101
It is important to measure financial effect of six sigma projects accurately for successful implementation of six sigma in a company. However, researches on methods of six sigma financial effect measurement are relatively new. In this study, frequent error patterns of six sigma financial effect measurement are defined and accurate measurement methods are suggested. And a method of connecting six sigma financial effect to corporate income performance is also suggested which not only assures reliability of financial effect measurement but also helps to align with business strategy.
The Effects of Logistics Service Quality and Relationship Orientation on Supply Chain Performance - Focusing on Delivery Quality of 3PL Firms -
Park, Yi-Suk ; Cho, Geon ; Ryu, Il ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 102~122
In this study, we will conduct an empirical study to see how the 3PL firm's logistics service quality and relationship orientation affects the supply chain performance. To examine the research model and hypotheses, we have used an empirical method based on the field survey in which most of measurements used and verified in previous studies are selected as measurements. The results of our empirical study can be summarized as follows: First, it can be shown that higher level of logistics service quality not only affects satisfaction and relationship orientation positively, but also improves supply chain performance. Second, it can be also shown that satisfaction for logistics service quality affects relationship orientation between shipper and 3PL firm positively. Finally, it can be shown that relationship orientation affects supply chain performance positively. This paper presents much implications both theoretical and practical side.
Deducing Improvement Schemes for Public Medical Centers through Annual Progress Analysis
Kim, Yong-Tea ; Kim, Yang-Kyun ;
Journal of the Korean society for quality management, volume 37, issue 3, 2009, Pages 123~139
This study examines the relative efficiency of 34 local public medical centers in Korea. In order to concretely grasp the causes of inefficiency and suggest improvement solutions, the desirable set point was established based on the actual value which needs to be improved. As a result of analysis, we determined that output must be increased while input is held constant in order to improve effectiveness through the actual value and set point. Efficiency cannot be achieved if input is augmented solely to increase output. Also, to increase output, the medical centers need to improve their quality without increasing any input for customer visits and hospitalizations. Further, in order to strategically promote effectiveness and efficiency of local public medical centers, these medical centers must focus on input resource and patient interchange through the mutual cooperation with local private hospitals and university medical centers.