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허자연(Heo, Ja-Yun),구동환(Gu, Dong-Hwan),정창무(Jung, Chang-Mu) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.12
The purpose of this study was to analyze the impact of construction business cycles in architectural sector on crimes in Korea. Literatures on correlations between architecture industry and crimes have mostly focused on artificial environmental factors such as CPTED and etc.. But role of architectural construction for crime prevention, or impacts on other social pathologies, should not be ignored, taking its high employment effect into consideration. Earlier works about factors causing crimes found that the unemployed are easy to commit a crime. In this perspective, construction business, especially architectural sector, might be a solution since it offers plentiful temporary positions and jobs for unskilled workers on construction sites. It can be explained by “Anomie Theory” and “Rational Choice Theory”. This study examines empirically the influence of fluctuation in construction business market on criminality using Granger Causality Test and Error Correction Model with annual construction expenses and crime rates data from 1990 to 2011 in Korea. All factors were tested statistically for reliability with unit root test(ADF test) and cointegration test(Johanson cointegration test). On the two estimated models, results showed that upturn of construction business contributed to reducing crimes, one of social pathological problems caused by unemployment. Also, on Impulse-Response Analysis, there were significant short and long-run effects on 5 major crimes by expenditure of architectural construction industries. This outcome implies that the construction business has a social role for maintaining public stability. It would be for shedding new light on the importance of architectural construction industry in terms of creating jobs for unskilled and temporary workers liable to commit crimes.
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구자연,김은선,김성범,Gu, Jayeon,Kim, Eun Sun,Kim, Seoung Bum 대한산업공학회 2016 대한산업공학회지 Vol.42 No.2
A colonoscopy is important because it detects the presence of polyps in the colon that can lead to colon cancer. How often one needs to repeat a colonoscopy may depend on various factors. The main purpose of this study is to determine personalized surveillance interval of colonoscopy based on characteristics of patients including their clinical information. The clustering analysis using a partitioning around medoids algorithm was conducted on 625 patients who had a medical examination at Korea University Anam Hospital and found several subgroups of patients. For each cluster, we then performed survival analysis that provides the probability of having polyps according to the number of days until next visit. The results of survival analysis indicated that different survival distributions exist among different patients' groups. We believe that the procedure proposed in this study can provide the patients with personalized medical information about how often they need to repeat a colonoscopy.
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장애인생활시설의 인적자원관리가 서비스 품질에 미치는 영향에 관한 연구
정무성(Chung, Moo Sung),구자연(Gu, Ja Yeon) 한국비영리학회 2011 한국비영리연구 Vol.10 No.1
본 연구는 전국의 장애인생활시설의 인적자원관리가 서비스 품질에 어떠한 영향을 미치는지를 살펴보았다. 조사대상은 보건복지부가 시행하는 2010년 장애인생활시설평가에 참여하였던 전국의 187개 시설이었다. 분석 결과 인사평가요소와 슈퍼비전요소가 가장 영향력이 높은 요인으로 나타났다. 그 다음으로는 직원 복리후 생과 인력의 충분성, 인력의 전문성으로 관찰되었다. 이러한 결과는 장애인생활시설에서 전문인력을 확보하는 것이 중요하며, 서비스의 품질 향상을 위하여 슈퍼비전실시를 강화하는 것이 필요함을 제시하고 있다. 나아가서 인사평가도 체계적으로 실시하는 것이 바람직하다는 함의를 제시하고 있다. 충분한 인력을 확보하기 위해서는 최소한 법정 직원 수대로는 각 시설에 배치될 수 있도록 정책적 · 제도적 지원이 뒷받침되어야 한다. The purpose of this study is to examine effects of the human resources management on service quality in residential facilities for the disabled. For the study, 187 facilities were analyzed using 2007 evaluation data and the results showed that the factors of personnel evaluation and supervision have significant effects on service quality in residential facilities for the disabled. It was found that fringe benefits for employees, sufficient numbers of employees, and the professional quality of the employee also have effects on service quality. The implication of these findings shows that it is important for the facility to secure qualified professional workers and to have systematic supervision system to improve the service quality. And a fair personnel evaluation system is also required. For the facilities to secure qualified workers, the proper grant from the government should be provided.
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