• 한국전자거래학회지
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• 제10권2호
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• pp.109-132
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• 2005

디지털 TV 채널 및 인터넷 상에서의 멀티미디어 컨텐츠의 홍수로 인해 사용자는 종종 자신이 선호하는 컨텐츠를 찾는데 어려움을 갖고 있으며, 또한 컨텐츠를 찾기 위해 많은 시간을 들이고 있다. 심지어 컨텐츠를 검색하는 동안 원하는 정보를 잃어버리는 경우도 있다. 고객들이 선호하는 컨텐츠를 추천하는 기존 시스템들이 가지는 문제점으로 사용자 수가 증가함에 따라 추천시간이 증가하는 확장성 문제와 새로운 고객의 경우 상품에 대한 선호도 정보가 부족할 경우 추천 정확도가 저하되는 희박성 문제가 있다. 본 논문에서는 이러한 문제점들을 해결하기 위해 협력적 필터링 방식에 기반한 2단계 클러스터링 기법을 제안한다. 1단계에서는 고객의 성과 나이와 같은 기본적인 사용자 정보만을 사용하여 추천하고, 2단계에서는 사용자의 동적인 성향 변화를 반영하기 위해 시간스키마를 적용하여 추천한다. 이렇게 추천된 결과의 피드백을 이용함으로써 계산시간의 단축과 예측정확도를 높일 수 있다.

• 디지털융복합연구
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• 제16권6호
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• pp.95-104
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• 2018

본 연구의 목적은 관광옴니채널의 통합기술수용모형기반 수용태도에 관한 인구통계학적 특성을 파악하는 것이다. 즉, 통합기술수용모형요인에 대한 인구통계적 특성별 차이 혹은 유사점을 발견하고자 한다. 연구의 방법은 이론에 근거한 가설을 설정하여 설문조사를 통한 결과에 의거해서 가설검증을 하는 것이다. 통계방법으로는 통합기술수요모형 요인에 대한 신뢰성 및 타당도를 파악한 후 인구통계적 특성별 차이검증을 위한 t-Test와 ANOVA 통계방법을 적용하였다. 연구분석 결과 1) 관광옴니채널 수용태도에 대한 성별, 연령별, 학력별, 직업별 등에서 차이가 부분적으로 있는 것으로 나타났다. 2) 관광옴니채널 수용태도에 대한 선호 관광정보별 차이는 유의미하지 않은 것으로 나타났다. 인구통계학적 비중이 균등한 표본을 분석한 본 연구의 결과로서 성과기대와 노력기대에 대한 30대의 높은 정도의 긍정은 괄목할 만하다. 이는 향후 관광옴니채널 연구확산의 단초가 될 수 있을 것이다.

• 대한물리의학회지
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• 제15권2호
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• pp.57-63
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• 2020

PURPOSE: This study examined the incidence, location, and characteristics of sports injuries according to the position in Korean national Kabaddi athletes. METHODS: Twenty-four national Kabaddi athletes (12 males and 12 females) who trained at the national training center between January 2019 and December 2019 were enrolled in this study. The event, position, and location of injury were recorded on an IOC daily injury report form. The incidence of sports injury was examined with the 95% confidence interval (CI), and the difference in the incidence of injury by position was presented as the rate ratio (RR). Moreover, the differences in the location of sports injury according to position were examined using χ² tests. RESULTS: One hundred and nine sports injuries occurred among Kabaddi players, with an incidence of 20.28 cases of injuries per 1,000 exposures (95% CI 16.47 - 24.08), and the incidence of injury was the highest among the competition, followed by training and weights. The most common location of sports injury was the lower extremity, followed by the upper extremity, trunk, head, and neck. In addition, no significant differences in the locations of the sports injuries were noted according to gender (p = .689). Furthermore, knee, ankle, lumbar spine/lower back, shoulder/clavicle were common sites of sports injury among Kabaddi players. CONCLUSION: These results provide a baseline for predicting sports injuries occurring in athletes during games, and would provide useful information for developing performance enhancement as well as injury prevention programs.

• 한국병원경영학회지
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• 제18권3호
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• pp.1-26
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• 2013

To improve the competitiveness of the hospital provides high quality medical services in a hospital coordinator role is emphasized. This study on customer orientation of the role ambiguity in order to identify the impact of degree of customer orientation were analyzed for demographic differences. Dependent variable, customer orientation affects role ambiguity as independent variables, and regression analysis were set. And the control variables are set to support situational factors, customer orientation on the role ambiguity and hierarchical regression analysis was performed. Obtained through empirical results are as follows: First, according to the demographic characteristics of the hospital coordinator customer orientation, the difference between gender and medical subjects are not shown. Age, education, work experience, job title, and the hospital on the pattern of customer orientation has shown a difference. Second, according to the hospital coordinator role ambiguity about its impact on customer orientation analysis can be a role implementation, job implementation, opinion communication in achieving customer orientation was negatively affected. Third, role ambiguity, and customer orientation factors for the moderating effects of organizational support for the role of customer orientation can role implementation, job implementation, opinion communication was a statistically significant. Fourth, the role ambiguity factors and customer orientation for the administrative support for the moderating effect of customer orientation and role implementation is significant, but job implementation, opinion communication were statistically significant. Fifth, the role ambiguity factors and customer support for customer orientation and customer orientation for the moderating effects of role performance and the opinion communication was not statistically significant. However, job implementation was statistically significant. The limitations of this study are as follows: First, role ambiguity, situational factors and support due to limitations of the variable factors that may affect the customer orientation of a number of factors were excluded. So many exogenous variables in the measurement process can affect. Second, the variables measured as problems of self-assessment by the variable measuring the respondent's bias may occur. Third, This study is difficult to generalize. In other words, several areas of the province conducted by the empirical results of the survey as a limit on the overall generalization can follow.

• 한국산림과학회지
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• 제103권4호
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• pp.655-663
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• 2014

숲해설가가 하나의 직업군으로 정착되고 숲해설에 대한 국민적 수요가 계속적으로 증가하는 상황이다. 본 연구는 숲해설의 목표를 달성하고, 숲해설 이용자의 만족도를 충족시키기 위해 숲해설가의 조직몰입과 직무동기를 중점으로 두 변수간의 관계를 규명하고, 직무동기 요인에 따른 조직몰입도의 차이를 확인하였다. 연구결과 첫째, 숲해설가 직무동기는 '사회적 관계형성', '숲에 대한 관심과 애정', '자기개발' 요인으로 구분되었고 '숲에 대한 관심 및 애정', '자기개발', '사회적 관계형성' 순으로 평균이 높았다. 둘째, 조직몰입도는 '관계지향적 몰입'과 '목표지향적 몰입'으로 구분되었다. 셋째, 숲해설가 일반특성과 관련해서 직무동기는 성별, 직무교육 참여횟수에 따라 유의한 차이가 있었고, 조직몰입도는 연령과 소속기관에 따라 차이가 있었다. 넷째, 직무동기는 조직몰입과 정(+)의 상관관계가 있었으며, 특히, 사회적 관계형성 동기가 전체 조직몰입도와 목표지향적 몰입도에 정(+)의 영향을 미치는 것으로 분석되었다.

• 한국식품영양학회지
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• 제21권3호
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• pp.355-365
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• 2008

The purpose of this study was to investigate the food sanitation awareness and performance of foodservice industry employees. Based on a literature review, a questionnaire was developed to identify the food sanitation education, experience, knowledge, and food sanitation practices of the employees. A total of 376 Korean food industry employees participated, and there were 344 usable questionnaires. In the analysis of food sanitation knowledge, the statements "clip fingernails short and do not use nail polish", and "if feeling sick, even with a minor cold, speak to your supervisor immediately", had the highest and lowest percentages of correct answers, respectively. In assessing employee sanitary management practices, many correctly acknowledged "clip fingernails short and do not use nail polish" and "wash hands after using the toilet", which received high scores; however, "use hands to pick up ice" and "if feeling sick, even with a minor cold, speak to your supervisor immediately" had low scores. The sanitary knowledge and practice levels of the employees were not significantly different according to gender, age, work area, job title, or duration of duty. Among the surveyed industries, employees of special restaurants had the least sanitary knowledge(p<0.05) and practice scores(p<0.001). Employees who had worked for $1{\sim}3$ years presented the least sanitary management practice level scores(p<0.05).). In addition, college students and participants without hygiene educational experience showed the least levels of sanitary knowledge(p<0.01). Scores for sanitary management practice were higher when hygiene education was regularly conducted more than once per month. Employees showed significantly higher knowledge and sanitary management practice levels when they were required to use a sanitary checklist(p<0.001), and employees who were trained in HACCP had significantly higher sanitary checklist scores(p<0.05). In foodservices that applied HACCP, the employees showed higher knowledge and sanitary management practice levels(p<0.001).

• 한국화재소방학회논문지
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• 제22권2호
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• pp.70-83
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• 2008

본 연구는 직무만족 영향요인과 인구사회학적 특성이 직무만족도에 어떠한 영향을 미치는 지와 직무만족도와 근무성과 간에 관계가 있는지를 파악하고자 한다. 그리고 이를 토대로 향후 소방공무원들의 직무만족도를 제고시킬 수 있는 관리적소를 찾아내는데 그 연구의 목적이 있다. 본 연구는 대전광역시 소방공무원을 대상으로 전수 조사한 자료에 바탕을 두고 있다. 가설검증을 위해 빈도분석, 상관관계 분석 및 회귀분석을 통해 변수간의 관계를 조사하였다. 분석결과 5가지 독립변수(직무동기요인, 조직관리요인, 인사관리요인, 근무환경요인, 인간관계요인)중 직무동기와 인사관리요인은 직무만족도와 커다란 상관관계 및 영향력을 미치는 것으로 분석되었고, 이외의 조직관리요인, 근무환경요인, 인간관계요인은 상관관계 분석에서는 다소의 정(+)의 상관관계를 가지고 있는 것으로 나타났지만 회귀분석에서는 유의한 관계를 가지고 있지 않는 것으로 조사되었다. 그리고 인구 사회학적 변수 즉 성별, 연령별, 직급별, 학력별, 근무기간별, 부서별에 따른 상관관계는 부서별 요인을 제외한 나머지 요인은 상관관계가 없는 것으로 조사되었다.

• Asian Pacific Journal of Cancer Prevention
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• 제14권11호
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• pp.6687-6692
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• 2013

Background: This study aimed to determine the demographical distribution, survival and prognostic factors for neuroendocrine tumors monitored in our clinic. Materials and Methods: Data for 52 patients who were admitted to Cumhuriyet University Medical Faculty Training Research and Practice Hospital Oncology Center between 2006 and 2012 and were diagnosed and treated for neuroendocrine tumors were investigated. Results: Of the total, 30 (58%) were females and 22 (42%) were males. The localization of the disease was gastroenteropancreatic in 29 (56%) patients and other sites in 23 (44%). The most frequently involved organ in the gastroenteropancreatic system was the stomach (n=10, 19%) and the most frequently involved organ in other regions was the lungs (n=10, 19%). No correlation was found between immunohistochemical staining for proteins such as chromogranin A, synaptophysin, and NSE and the grade of the tumor. The patients were followed-up at a median of 24 months (1-90 months). The three-year overall survival rate was 71%: 100% in stage I, 88% in stage II, 80% in stage III, and 40% in stage IV. The three-year survival rate was 78% in tumors localized in the gastroenteropancreatic region, and 54% in tumors localized in other organs. In the univariate analysis, gender, age, performance status of the patients, grade, localization, surgical treatment, and neutrophil/lymphocyte ratio (${\leq}5$ versus >5) affected the prognosis of the patients. Conclusions: Most of the tumors were localized in the gastroenteropancreatic region, and the three-year survival rate in tumors localized in this region was better than the tumors localized in other sites. Surgical treatment was a positive independent prognostic factor, whereas Grade 3 and a neutrophil/lymphocyte ratio of >5 were negative independent prognostic factors.

• 한국치위생학회지
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• 제13권6호
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• pp.925-932
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• 2013

Objectives : The purpose of the study is to improve autonomous decision-making ability by analyzing the relationship between autonomy and decision-making ability. Methods : The subjects were 176 dental hygienists in Busan. Self-reported questionnaire was fill out from May 2012 to January 2013. Results : The average of the degree of autonomy was $2.20{\pm}0.29$. Buddhists showed the highest score of $2.37{\pm}0.37$ (p<0.05). Buddhists had the higher education than other religions (p<.05). Clinical decision-making ability was $2.21{\pm}0.25$. Among the subcategories, statistically significant differences (p<.05) was shown by gender, degree of education, and religion in the domain of "Exploration of Choice and Alternatives"; Buddhists showed a higher score in the domains of "Assessment and Re-evaluation of Decisions" and "Review of Values and Goals," with significant difference of p<.05. Autonomy and clinical decision making revealed a positive correlation in the categories "Assessment and Re-evaluation of Decisions" (r=.518, p=.000), "Review of Values and Goals" (r=.610, p=.000), and "Investigation of Information and Synchronization of New Information" (r=.314, p=.000). Conclusions : To improve the performance of dental hygienists, working systems and training will be intensified to develop the autonomy and clinical decision making.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제28권4호
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• pp.228-234
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• 2017

Objectives: The aim of this study was to investigate the clinical characteristics of aggressive behavior problems in children and adolescents with autism spectrum disorder (ASD). Methods: Children and adolescents with ASD, aged 6-18 years, were included in this study. We divided them into two groups according to the presence or absence of aggressive behavior. They were assessed using three scales, the Korean-Child Behavior Checklist (K-CBCL), Behavior Problem Inventory, and Social Communication Questionnaire, which were completed by their parents, who conducted a continuous performance test to evaluate their attention function. The statistical analysis was done using the Mann-Whitney U-test between the two groups at a p-value of 0.05. Results: A total of 17 children participated in this study. Ten children (7 boys, $12.4{\pm}4.27years$) were included in the group with aggressive behavior problems and 7 children (6 boys, $13.8{\pm}3.53years$) in the group without aggressive behavior problems. There were no significant differences in the age, gender or intelligence quotient of the two groups. The children with aggressive behavior problems showed a trend of higher T-scores in the attention problems and anxiety/depressed subscale of the CBLC (p<0.1). Conclusion: The results suggest that aggressive behavior problems in children with ASD may be related to their attention problems, anxiety and depression.