• Korean Journal of Clinical Laboratory Science
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• v.36 no.2
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• pp.163-172
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• 2004

Mast cells (MCs) have been implicated in the pathogenesis of tissue fibrosis. However, the role of MC in the development of liver fibrosis has not been fully elucidated. Stem cell factor (SCF) is known to recruit MCs to the liver following injury as it induces mast cell proliferation, survival and differentiation from resident tissue precursors. This study examines the interaction between activated hepatic stellate cells (HSCs) and MCs in rat fibrotic liver, and SCF production by HSCs during culture in vitro. Rats were studied 4, 7, 14 and 21 days after bile duct ligation (BDL). Fibrogenesis was assessed by a measurement of collagen stained with sirius red F3B. Activated HSCs and MCs were identified by ${\alpha}$-smooth muscle actin (${\alpha}-SMA$) immunohistochemical and alcian blue staining and measured by a computerized image analysis system. SCF production was determined in rat HSC cultures using Western blotting. Mild fibrotic changes were noted in BDL rat livers as early as 4 days after induction of cholestasis. Significant expansion and organization of fibrous tissue has occurred in day 14 BDL rats which progressed to bridging fibrosis by day 21. In BDL rats, both a large number of activated HSCs and MCs were detected in portal tracts and fibrous septa. Both area of activated HSCs infiltration and density of MCs were significantly higher in all BDL group compared with Shams. In BDL rats, both areas of activated HSCs infiltration and density of MCs were no significant difference between day 4 and 7 and were significantly higher in day 14. However, the areas of activated HSCs infiltration were significantly lesser in day 21 and the densities of MCs were significantly higher in day 21 compared with day14 BDL. In BDL rats, both areas of activated HSCs infiltration and density of MCs were highly correlated with areas of fibrosis. Western blotting showed that SCF protein was consistently produced in activated HSCs by culture on plastic and freshly isolated HSCs expressed relatively little 30kD SCF compared to late primary culture activated HSCs (day 14) and passaged HSCs. These results suggest that HSCs activated in vitro produce SCF, and may play an important role in recruiting mast cells to the liver during injury and fibrosis.

• The Journal of the Korea Contents Association
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• v.11 no.5
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• pp.384-392
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• 2011

Recruitment and selection are separate but mutually reinforcing processes. The goal of recruitment is to attract the largest number of applicants possible to apply to the agency, and selection is the process of weeding out unqualified candidates and identifying qualified candidates. In this context, the recruitment and selection system of police officials is an important issue because it affects their future performance as police officers on the job, especially their policing skills, perception of society, occupational ethics. This study suggested the characteristics of U. S. recruitment and selection system of police officials. In the U. S, each police agency sets up its own recruitment and selection standards and procedures. However, recruitment and selection process follows a certain sequence : receiving application, psychological examination, background check, polygraph test, drug screening, interview, physical agility, and medical test. Special characteristic of American police system regarding recruitment and selection is that many law enforcement agencies use a polygraph test to ensure the integrity of the candidates. Another interesting screening process is a drug test because many Americans abuse illegal drugs. A candidate officer must submit urine or a hair sample for screening test. Police human resources specialists should continually identify the most innovative tests and approaches recruit and select police officers. Recruitment and selection strategies should increasingly attract and retain those officers who have the attributes to work in a community-oriented policing environment.

• Korean Journal of Construction Engineering and Management
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• v.9 no.5
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• pp.75-85
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• 2008

The construction industry has been leading the growth of the nation's economy not only by providing with various infrastructure projects but also by positively impaction related industries such as crating numerous job opportunities. Relevant statistics show the production amount of construction taking about 17.5% of the GDP (Gross Domestic Product). In spite of its positive impacts on the economy, image of Korea construction industry is generally reflected as negative mainly because of its environmental disruption, low payment, bribe, fraudulent work and inefficiency. It brings students to be reluctant choosing the construction industry as their carrier path and governmental and principal research status. Therefore it has been difficult to recruit highly qualitied human resources to the industry while the morale of the whole industry has gradually become demoralized. To improve this stand, many domestic researchers carried out research projects for improving the image of Korea Construction Industry. This study also sympathizes with necessity of improving the negative image of construction industry to remain as one of the leading industry in the 21st century. Especially, this study focused on finding important factors which have significant influences on the image of the industry. Through out the research, image influence factors was identified by rigorous literature review and interviews as industrial and academic experts. Factors, then, categorized and used as the main framework for the survey which designed to fine the degree of impacts on the image of the construction industry. In analyzing the survey results, various statistical techniques was employed including factor analysis, Chi-Square-Test, Correlation Analysis and Multiple Linear Regression. Identified as the most influent factors to the image of the construction industry include morale of construction employee, and prospects the industry which of the judgement by payment, impacts on nation's economy, future of the industry, etc.

• Journal of the Korean Data and Information Science Society
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• v.24 no.4
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• pp.763-771
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• 2013

Due to a decrease in the number of college prep students which was triggered by the low birth rate since 1990, it is predicted, beginning 2016, that the entrance quota for colleges will exceed the number of applicants for college admissions. This serious imbalance between supply and demand raises serious problems for the regional universities, many of which have already been struggling to recruit new students and even considered closing down the schools. In an effort to securing best high school students, many of the schools have been developing various unique and specialized selectional processes for the applicants. In this research, through a statistical analysis of special admission processes for vocational high school students who were admitted to a regional state-run university (University A), I tried to find a way to effectively deal with the student management. Statistically analyzing these first-year students' enrollment and their adjustment processes as well as the departmental relationships and gender differences, I tried to find some better ways to secure good applicants. It is expected that this study will not only be utilized as guide to adopt a way to bypass the enrollment quota in order to secure talented students but also be served as a reference that will help the students adapt themselves to school life until they graduate. It is also expected that this study will be expanded in such a way as to compare it with other models and even develop a new type of college entrance system that would fit future college admission policies.

• 대한공업교육학회지
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• v.43 no.2
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• pp.43-60
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• 2018

The purposes of this study are to compare practical ability of vocational education high school, investigate effectiveness of recruitment practical examination, and provide basic data that can be helpful to recruit teaching staffs of occupational training institution in the middle stage and strengthen practical guidance capability of teacher through the analysis by variables of teacher's background. To achieve them, concrete capability areas related to practical ability were conceived and differences of new teacher's abilities were compared between area that fulfilled recruitment practical examination and areas that didn't fulfill. The conclusions of this study are as follows. First, practical abilities among specialized subject teachers of vocational education high school were compared by existence of vocational education high school teacher recruitment practical examination. As a result, the average of practical ability of the group who was fulfilled by recruitment practical examination was somewhat high in all of 5 sub-areas for practical ability, but wasn't significant statistically. Second, the differences of practical ability by background variable among specialized subject teacher of vocational education high school were compared. As a result, the group who possesses national technology licence, existence of short-term teaching career, teaching course completion form of open teacher training showed higher average and it showed significant differences statistically.

• Journal of the Korea Society of Computer and Information
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• v.16 no.11
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• pp.209-217
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• 2011

Recently, As it takes charge of the customer service in many enterprises, the importance of call center has been emphasized more and more. The growth of call center industry is leading lots of call center agents. But, Call center agent's frequent turnover deteriorates the labor productivity and quality. Also, This turnover increases training cost and recruit cost. For these reasons, management turnover in call center is emerging as an important issue. The purpose of this study is to analyze the relationship of job satisfaction factors, job satisfaction, organizational commitment and turnover intention of call center agent. To achieve these objective, as a conceptual model of the study, job satisfaction factors, job satisfaction, organizational commitment and turnover intention were reviewed and the model could be estimated through path analysis. According th the finding of this study, job satisfaction factors have positively impact on the job satisfaction, organizational commitment but have not directly impact on the turnover intention. Also job satisfaction and organizational commitment have negatively impact on the turnover intention. As a result, the meaningful implication of this study suggests that the increase of both job satisfaction and organizational commitment through the improvement of job satisfaction factors should be regard as important dimensions to decrease of turnover intention of call center agents.

• Management & Information Systems Review
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• v.35 no.1
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• pp.1-22
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• 2016

The increased number of foreigners in Korea (now more than 1.8 million) has necessitated understanding, analyzing and interpreting the immigration issues in order to solve the foreign workers' social problems. Foreign workers in Korea are suffering from a lot of difficulties such as bad working conditions, lower income, unpaid wages, cultural adaptation, etc. This paper aims to investigate how the social capital factors (social network and social support) and media use (Korean and Chinese media) influence cultural adaptation and job satisfaction. In addition, the paper aims to provide practical guidelines for social welfare organizations and enterprises which support and recruit them. The sample of our respondents was 273 Chinese workers (216 Korean-Chinese workers and 57 Han-Chinese workers) in Korea. We used SPSS 21.0 for statistical analysis. The results are as follows: Korean network, native network, family support, native support and Korean media use have a significant effect on cultural adaptation. Korean network, native network, family support, native support and Korean media use have a significant impact on job satisfaction. Furthermore, cultural adaptation was found to mediate the relationship between Korean/native network and job satisfaction as well as between family/native support and job satisfaction. Cultural adaptation was also found to mediate the relationship between Korean media use and job satisfaction.

• Management & Information Systems Review
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• v.35 no.4
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• pp.57-77
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• 2016

The purpose of this study is to analyzing the DISC behavioral styles of deluxe hotel employees, that Dominance(D), Influence(I), Steadiness(S), Consciousness(C) on the organizational culture and the organizational effectiveness of the hotel employees and is to presenting the influence of DISC behavioral patterns on the organizational culture and the organizational effectiveness. To accomplish the aim, the study conducted literature investigations and positive analysis. The results were as in the followings. Employees with a dominant and influencing behavior style adapt themselves to innovative culture and collusive culture. also, organizational commitment and job satisfaction were affected by dominant and influencing behavioral employees. and employees with a steady style adapt themselves to rationality culture. so, organizational commitment and job satisfaction were affected by steady style. furthermore, the result shows that it can be reduced turnover rate when the conscious behavioral employees adapt to the collusive culture. Customer's needs and wants are changed fastly. In addition, there is a keen competition between a five-star hotel. Because the number of five-star hotel are increased. Lastly I suggest that the DISC behavioral style is using at recruit.

• Management & Information Systems Review
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• v.36 no.5
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• pp.151-173
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• 2017

This study examined the relation between MBTI personality types and job satisfaction, job satisfaction's effect on the customer orientation and willingness to change job and MBTI personality types's moderating effect on the relation among job satisfaction customer orientation, willingness to change job. Research results are as following. First, MBTI personality types didn't influence job satisfaction significantly. Second, job satisfaction affected customer orientation positively and willingness to change job negatively. Finally, MBTI personality type's moderating effect was analysed using Psychological Function and Attitude Index. Moderation effect of Psychological Function was significant only on the relation between job satisfaction and customer orientation. Moderation effect of Attitude Index was significant both on the relation between job satisfaction and customer orientation and the relation between job satisfaction and willingness to change job. These results of current study can be useful to recruit, organize, educate life planners based on the personality types of MBTI. And the applicability of MBTI test will increase by using these results.

• The Journal of Korean Obstetrics and Gynecology
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• v.31 no.1
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• pp.84-98
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• 2018

Objectives: The purpose of this pilot study was to examine the feasibility of recruiting women into a clinical trial designed to examine the effects of acupuncture and electroacupuncture in treating overactive bladder (OAB) in menopause women. We tried to determine if there was preliminary evidence to suggest that acupuncture may be effective in reducing OAB symptoms and improving disease-specific quality of life. We also tried to determine the appropriate treatment duration of OAB, with safety of performing acupuncture and electroacupuncture treatment. Methods: This study was a randomized clinical trial. 7 menopause women were randomly assigned to a electroacupuncture group (EA group) (n=4) or acupuncture group (AC group) (n=3) and received electroacupuncture or acupuncture treatment twice a week (16 sessions) in 8 weeks, and follow up assessment was performed after the end of treatment. Overactive Bladder Symptom Score (OABSS), 3-day bladder diary, and King's Health Questionnaire (KHQ) were performed 4 times (at baseline (visit 0), the middle of treatment (visit 8), after the end of treatment (visit 16), and at 4 weeks of follow-up (visit 17)) and analyzed. 2 subjects were dropped out, and finally 5 subjects completed the study. Statistical analysis was performed using SPSS 18.0 for window program. Results: There was an significant improvement in night-time frequency after the treatment (visit 17) in PP (Per-protocol) group analysis (p=0.042). In additional ITT (Inter-to-treat) group analysis, the OABSS (p=0.042) and night-time frequency (p=p=0.017) were improved significantly after the treatment (visit 17). But there was no significant difference of KHQ before and after the treatment. Also there was no significant difference between EA and AC group after the treatment (visit 16, 17). Conclusions: The results of this pilot study suggested that it was feasible to recruit subjects and perform the study procedures, after reconstructing several details of study protocol in performing further clinical trial.