• The Korean Journal of Applied Statistics
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• v.30 no.6
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• pp.917-929
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• 2017

Korean income data obtained from Korea Labor Panel Survey shows excessive zeros, which may not be properly explained by the Tobit model. In this paper, we analyze the data using a zero-inflated Tobit model to incorporate excessive zeros. A zero-inflated Tobit model consists of two stages. In the first stage, individuals with 0 income are divided into two groups: genuine zero group and random zero group. Individuals in the genuine zero group did not participate labor market since they have no intention to do so. Individuals in the random zero group participated labor market but their incomes are very low and truncated at 0. In the second stage, the Tobit model is assumed to a subset of data combining random zeros and positive observations. Regression models are employed in both stages to obtain the effect of explanatory variables on the participation of labor market and the income amount. Markov chain Monte Carlo methods are applied for the Bayesian analysis of the data. The proposed zero-inflated Tobit model outperforms the Tobit model in model fit and prediction of zero frequency. The analysis results show strong evidence that the probability of participating in the labor market increases with age, decreases with education, and women tend to have stronger intentions on participating in the labor market than men. There also exists moderate evidence that the probability of participating in the labor market decreases with socio-economic status and reserved wage. However, the amount of monthly wage increases with age and education, and it is larger for married than unmarried and for men than women.

• Journal of Gifted/Talented Education
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• v.23 no.4
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• pp.505-521
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• 2013

The purpose of the study is the find out current status and key factors of attendance in private education of gifted students. The results show that 95.9% of gifted students and 94.6% of general students are currently participating in private education. Most percentages of students took English and math programs at the private institutes. Average amount of time students spend for private education was 2~3 hours per day, and most percentage of parents spent 400,000~600,000 won per month for their children's private education. There were no significant differences between the gifted and the general students in the aspects of private education statuses. Regarding the key factors of attendance in private education, improvement of study related skills, school grade management, and influences of surroundings, such as parents and friends, were showed as significant variables in gifted students group. Interestingly, influences of surroundings showed negative effect. For general students and their parents, improvement of study related skills and school grade management factors were significant variables. And for the parents of gifted students, improvement of study related skills and entering higher level schools appeared as significant factors for the participation in private education. Implications of the study were discussed in depth.

• Science of Emotion and Sensibility
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• v.15 no.1
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• pp.29-36
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• 2012

This study aims to analyse the research trend of the participants in Emotional Science in Korea and to suggest a desirable direction of research. I analysed the 1,262 articles published in Korean Journal of the Science of Emotion and Sensibility from 2000 to 2011 according to fields of study and keywords. The findings from the study are as follows. In the fields of study regarding Clothing Design, Psychology, Medicine, Visual Media, Brain Science they are still the top rated categories amongst participants. With the participation of Industrial Engineering and Ergonomics they have shown a meaningful difference depending on governmental support such as G7 Project. The problem with Industrial Design is that the majority of studies have been performed alone, and they have many keywords which are not related with Emotional Science. However, 31 new fields of study have been added to the research making the findings more desirable considering that Emotional Science is typical interdisciplinary filed of study. I hope that this study will provide basic data which can be used to promote the interdisciplinary research between the different fields of study in order to generate significant synergy.

• Journal of the Korean Applied Science and Technology
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• v.37 no.6
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• pp.1687-1697
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• 2020

This study is a comparative descriptive research that identifies the degree and difference of the brain education meditation program from participation stress(physical stress, psychological stress), depression, resilience(self-control ability, interpersonal relationship ability, and positive) for middle-aged women. The subjects were 26 middle-aged women who participated in the brain education meditation program at the D metropolitan city D center for more than a year, 29 middle-aged women did not participate in the brain education meditation program and a total of 55 middle-aged women collected for three weeks from November 4 to 22, 2019. Data analysis fesult that the participating groups in brain education meditation programs differ statistically significantly in physical stress(t=2.549, p=.014), psychological stress(t=2.352, p=.022), self-control ability(t=-2.219, p=.031) and positive(t=-2.387, p=.021), which are higher factors in resilience than non-participating groups. In other words, brain education meditation program participants scored lower physical and psychological stress scores than nonparticipating groups, with higher self-control ability and positive scores. Therefore, it is thought that brain education meditation programs can be used as nursing intervention to reduce stress and improve self-control ability and positive in middle-aged women.

• Therapeutic Science for Rehabilitation
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• v.11 no.1
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• pp.87-99
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• 2022

Objective : Through the application of the Anderson model, this study provides an empirical analysis of the decision-making factors for participation in cognitive improvement programs for the elderly living in the community. Methods : This study was conducted through an online survey. The participants were elderly people aged 65 years or older living in the community. The survey had 154 participants and was conducted over a two-month period from August to September 2020. Results : The main results of this study were as follow: first, there was no correlation between the predisposing factors and cognitive improvement program; second, among the enabling factors, diversity, interest, and effectiveness of the program were correlated with the cognitive improvement program; and third, there was no correlation between participation in the cognitive improvement program and need factors. Conclusion : This study shows that the results of basic information and evidence will be identified through analysis of the results of the study and that the implications for the development of cognitive improvement programs will be obtained in the future.

• Journal of Korean Dental Hygiene Science
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• v.6 no.2
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• pp.151-160
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• 2023

Background: This study analyzed the differences in practice satisfaction, major, and willingness to work abroad among dental hygiene department students at K University in Gangwon-do based on their participation in international practicums. Methods: A survey was conducted on a total of 215 students through convenience sampling of dental hygiene students, and the final 214 responses were analyzed. General characteristics were examined. Major satisfaction and grades were measured on a 5-point Likert scale. And satisfaction with practice, intention to participate in international practicums, and employment were investigated by papers. Descriptive statistical analysis was performed on general characteristics using SPSS software (version 26.0). Due to the convenience sample, nonparametric analysis was used to determine satisfaction with practice and major according to general characteristics using the Mann-whitney U and Kruskal-wallis test. An independent samples t-test was conducted to determine the difference between practice satisfaction and major satisfaction depending on participation in international practicums, and Fisher's exact test was conducted to determine practice satisfaction, willingness to participate in overseas internships, and employment. Results: Concerning future participation in international clinical practicums, 66.7% of students who had previously participated in overseas training expressed willingness to engage again. 40.9% of those who had not participated showed no intention of participating, and there was a significant difference (p<0.05). Additionally, 76.2% of the participants expressed interest in overseas employment, with this difference also being statistically significant (p<0.05). Conclusion: It was confirmed that students' satisfaction with practice and major increased through participation in international practicums, and that they had a positive intention to work abroad and participate in overseas internship programs in the future.

• Journal of the Korean Institute of Landscape Architecture
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• v.47 no.6
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• pp.24-36
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• 2019

This study shows that the role of residents in landscape management is becoming increasingly important. The purpose of this study is to suggest elements that can continue the operation of landscape agreements and directions for promoting them. Therefore, 1)the operational elements considering the sustainability of the landscape agreements were proposed by way of literature research, expert interviews, and surveys. 2)The sustainable operation of elements of the landscape agreement were applied and best practices were developed through interviews with participants and literature analysis. 3)The final plan operational elements considering the sustainability of the landscape agreements and the directions for implementation were presented. As for the results, it was first presented that the elements of continuous operation of the landscape agreement, consisted of 3 major categories, 10 subcategories, and 25 details. These include resident awareness, practical applicability, effectiveness of administrative means, securing the budget, maintenance, public relations, expert support, dedicated support organization, sustainability of participation, and resident participation and communication methods. It is a detailed list of items that should be considered in the preparation phase, maintenance phase, and conclusion phase. Second, it suggested the direction for the sustainable operation of the landscape agreements be highly backed by the residents, and after reaching consensus on a landscape agreement, it is necessary that the agreement is based on contents that the residents can execute themselves. In addition, it was found that there is a need for a system to prepare the basis for securing the budget for the continuity of work, preparation of the landscape agreements, and consultation and activity costs during the maintenance phase. In addition, continuous exchanges and capacity building among residents have signed landscape agreements, and step-by-step support from experts in accordance with the level of involvement of residents is necessary. Third, even if a landscape agreement is concluded in connection with public projects, it is understood that the residents have the capacity to participate and can continue to support the administration and experts to enable the continued operation of the landscape agreement.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.1
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• pp.196-201
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• 2014

This study intends to investigate alcohol use disorder in the elderly in rural area. The subjects were 212 elderly people. Alcohol use disorder was defined as a score of more than 10 points on the AUDIT-K. The collected data were analyzed descriptive statistics, chi-square test and t-test using SPSS 19.0 program. The alcohol use disorder in the elderly in rural area were 18.4%. The alcohol use disorder was statistically significant difference according to gender, age, inmate, scholarship, religion, job and smoking. The alcohol use disorder correlated positively with depression. To prepare the aging society, the government should make preparation prorgram for elderly alcoholics.

• Proceedings of The Korean Society of Health Promotion Conference
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• 2009.05a
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• pp.84-84
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• 2009

목적 : 청소년의 행태와 가족관계가 정신건강에 미치는 영향을 분석하여 중학생의 학교내외 생활지도 및 정신건강을 위한 프로그램 개발에 필요한 기본 정보를 제공하고자 함. 조사방법 : 원주의 한 남녀공학 중학교 3학년을 대상으로 2008년 11월 25일부터 12월 11일까지 설문조사를 실시함. 총 454명의 중학교 3학년 학생 중 377명이 조사에 참여하였음. 척도는 신체증상, 식사장해, 우울감, 대인관계, 무력감, 충동성 등 정신건강에 관한 6척도와 31개 항목으로 구성됨. 통계분석은 독립변수인 행태변수와 가족관계 변수를 교차분석을 시행하였고, 변수간의 평균간 차이검증은 t-test와 ANOVA를 시행하였고, 정신건강 관련요인 규명을 위하여 회귀분석을 실시함. 결과 : 성별에 따라 아침에 상쾌하게 눈이 떠지는지, 취침시각, 공부시간, 핸드폰 유무, 다이어트 경험, 운동 횟수, 취미여부가 통계적으로 유의하였음. 가족구성인원 변수에 따라 가족에게 고민상담, 집안 일 돕기가 통계적으로 유의하였음. 종속변수인 정신건강과 통계적으로 유의한 변수는 가족과 고민상담, 가족과 식사, 아침에 상쾌하게 눈이 떠지는지, 아침식사여부, 공부시간, 운동 횟수였음. 가족과 식사를 하는 학생들이 그렇지 않은 학생들보다, 그리고 12시 이전에 취침하는 학생들이 12시 이후에 취침하는 학생들보다 정신건강이 좋은 것으로 나타남. 토의 및 결론 : 중학생들의 정신건강 지도를 위해서는 행태변수와 가족관계 변수를 고려하는 것이 필요한 것으로 나타났음.

• Proceedings of the Korea Information Processing Society Conference
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• 2022.05a
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• pp.401-404
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• 2022

한국 문학이 세계로 뻗어나감에 따라 해외 시장에서 자리를 잡는 것이 중요해진 시점이다. 본 연구에서는 2016 년도부터 2020 년도까지 최근 5 년간 해외 출간된 도서들 중에서 굿셀러로 분류되는 누적 5 천부 이상 판매 여부를 예측하고자 했다. 굿셀러로 분류되는 도서는 전체 번역 도서 중 적은 비율을 차지하여 데이터 불균형이 발생하였으며, 본 연구에서는 SMOTE 기법과 앙상블 알고리즘을 적용하여 데이터 불균형 문제를 해결하였다. 그 결과, 데이터 클래스 비율이 1:1 에 가까울수록 성능 개선 효과가 나타났으며 LightGBM 모델이 99.83%의 AUC 값을 얻어 다른 앙상블 알고리즘에 비해 가장 좋은 예측 성능을 보임을 검증하였다. 또한 누적 5 천부 이상 판매 여부 예측에 있어 큰 영향을 미치는 변수로는 작가가 가장 중요한 요인으로 나타났으며 출간 국가, 그리고 평점 평균, 평점 참여자 수 같은 온라인 요인도 판매 예측에 유의미한 변수로 나타난 것을 확인할 수 있었다.