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고등학생의 충동성과 도박행동의 관계에서 도박동기의 매개효과
선혜민(Sun Hye Min),박진희(Park Jin Hee),조은희(Cho Eun Hi),양정하(Yang Jeong Ha),최지이(Choe Ji Yi),신현주(Sin Hyon Ju),천성문(Cheon Seong Moon) 학습자중심교과교육학회 2019 학습자중심교과교육연구 Vol.19 No.11
본 연구는 고등학생을 대상으로 충동성과 도박행동과의 관계에서 도박동기의 매개효과를 확인하고자 하였다. 이를 위해 부산, 경남지역 소재 고등학생 779명을 대상으로 충동성 척도, 도박동기 척도, 청소년 도박행동 척도를 사용하여 설문조사를 실시하였다. 수집된 자료를 바탕으로 주요 변인들 간의 관련성을 살펴보기 위해 상관관계 분석을 하였으며, 매개효과를 알아보기 위하여 Baron과 Kenny(1986)의 3단계 분석을 사용하였다. 결과를 살펴보면, 첫째, 충동성은 도박행동과 유의한 정적 상 관을 보였다. 또한 충동성과 도박동기의 하위유형인 흥분동기, 회피동기, 금전동기와 통계적으로 유의한 정적 상관을 보였으며, 사교동기와 유희동기는 통계적으로 유의한 상관이 존재하지 않는 것으로 나타났다. 둘째, 흥분동기, 회피동기, 금전동기 는 각각 충동성과 도박행동 간의 유의하게 부분 매개하는 것으로 나타났다. 본 연구 결과를 토대로 후속연구에 대한 제언과 시사점을 논의하였다. This study investigated the relationship among gambling motivation, impulsivity and gambling behaviors in high school students. For this purpose, 784 high school students in Busan and Kyungnam area were surveyed using impulsivity scale, gambling motivation scale, and youth gambling behavior scale. A correlation analysis was conducted to examine the relationship between the main variables on the basis of the collected data and mediate the relationship between impulsiveness and gambling behavior, Baron and Kenny(1986). In this paper, First, impulsiveness showed significant positive correlation with gambling behaviors. In addition, there was a statistically significant correlation with the sub factor of impulsivity and gambling motivation, excitement motivation, avoidance motivation, and money motivation. There was no statistically significant correlation between social motivation and play motivation. Second, the excitement motivation, the avoidance motivation and the money motivation each was significantly mediated between impulsivity and gambling behavior. Also, in this study, we examined the mediating effect of gambling motivation, There are important implications. Finally, the implications and limitations of the study were discussed.
황선우(Hwang, Sun-Woo),김희재(Kim, Hee-Jae),이준신(Yi, Jun-Sin) 한국신재생에너지학회 2005 한국신재생에너지학회 학술대회논문집 Vol.2005 No.06
태양광 주택 보급을 위해서는 기존에 고가의 실리콘 기판을 이용한 고효율 달성을 위한 연구중심의 태양전지 개발연구가 주축을 이루어왔다. 이는 개발에 성공하더라도 고가, 고난도, 복잡한 다단계 공정기술을 이용하는 단점 때문에 보급활성화를 촉진하기 위해서는 저가의 다결정 실리콘 기판을 이용한 중 상급 태양전지 상용화 기술개발로 전환할 필요로 인하여 본 연구에서는 차세대전력용 태양광발전시스템의 요소소자인 다결정태양전지 고효율화의 열쇠가 되는 기술력 확보를 통한 저가, 대면적, 고효율, 고수율 제품 대량생산 상용화에 중점을 두었다.
Jin Seong Cho,Sun Hyoung Shin,Ji Young Park,Young Ju Song,Jeong Min Yi,Min Ho Park,Jung Han Yoon,Young Jong Jegal,Ji Sin Yi,Seong Ja An,Hwo Soon Lim 한국유방암학회 2011 Journal of breast cancer Vol.14 No.4
Purpose: Breast conserving surgery using mesh can effectively fill the defective space, but there is the risk of infection. Methods: From June 2007 to August 2010, 243 patients who underwent breast conserving surgery with polyglactin 910 mesh insert for breast cancer at our institution were retrospectively studied. Results: Infection occurred in 25 (10.3%) of 243 patients. When comparing the infection and non-infection groups in multivariate analysis, there was no significant difference in age, underlying disease, preoperative biopsy methods, mass location, axillary lymph node dissection, operative methods, neoadjuvant or adjuvant chemotherapy use, mass size and removed breast volume. The infection appeared more common only in patients with body mass index (BMI) greater than 25. Infection symptoms occurred, on average, 119.5 days after surgery, and the average duration of the required treatment was 34.4 days. Out of 25 patients with postoperative infection complications, 16 (64%) patients underwent incision and drainage with mesh removal, whereas the remaining 9 (36%) only required conservative treatment. Conclusion: During breast conserving surgery, the risk of infection is increased in patients with high BMI, and should be taken into account when considering insertion of a polyglactin 910 mesh. Patient’s age, underlying disease and perioperative treatment methods were not significant risk factors for developing mesh infection. Given that most infections seem to develop symptoms one month after surgery, a long enough observation period should be initiated. Early detection and appropriate conservative treatments may effectively address infections, thus reducing the need for more invasive therapies.
a-SiOx Buffer Layer 삽입을 통한 고효율 비정질 실리콘 박막태양전지에 관한 및 연구
박승만(Park, Seung-Man),이선화(Lee, Sun-Hwa),공대영(Kong, Dae-Young),이원백(Lee, Wan-Back),정우원(Jung, Wu-Wan),이준신(Yi, Jun-Sin) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.11
TCO/p/i/n 구조의 비정질 실리콘 박막 태양전지의 제작에 있어서 TCO계면과 p층사이의 이종접합에서의 큰 밴드갭 차이는 p층으로부터의 정공 재결합을 통하여 효율 저하의 원인이 된다. 이러한 재결합은 넓은 밴드갭을 가진 물질을 완충층으로 삽입함으로써 개선되어 질 수 있다. 본 논문에서는 비정질 실리콘 보다 넓은 광학적 밴드갭을 가지는 a-SiOx 박막을 완충층으로 사용하여 TCO/P 계면에서의 재결합 감소에 대한 시뮬레이션을 수행하였다. a-SiOX 박막 내에 포함된 산소의 양에 따라 밴드갭을 조절하여 1.8eV~2.0eV 사이의 완충층을 삽입하여 박막태양전지의 개방전압, 단락전류, 효율 등에 끼치는 영향을 ASA 시뮬레이션을 통하여 알아보았다.
Park, Jin-Joo,Kim, Young-Kuk,Lee, Sun-Wha,Lee, Youn-Jung,Yi, Jun-Sin,Hussain, Shahzada Qamar,Balaji, Nagarajan The Korean Institute of Electrical and Electronic 2012 Transactions on Electrical and Electronic Material Vol.13 No.4
We reported diborane ($B_2H_6$) doped wide bandgap hydrogenated amorphous silicon oxide (p-type a-SiOx:H) films prepared by using silane ($SiH_4$) hydrogen ($H_2$) and nitrous oxide ($N_2O$) in a radio frequency (RF) plasma enhanced chemical vapor deposition (PECVD) system. We improved the $E_{opt}$ and conductivity of p-type a-SiOx:H films with various $N_2O$ and $B_2H_6$ ratios and applied those films in regards to the a-Si thin film solar cells. For the single layer p-type a-SiOx:H films, we achieved an optical band gap energy ($E_{opt}$) of 1.91 and 1.99 eV, electrical conductivity of approximately $10^{-7}$ S/cm and activation energy ($E_a$) of 0.57 to 0.52 eV with various $N_2O$ and $B_2H_6$ ratios. We applied those films for the a-Si thin film solar cell and the current-voltage characteristics are as given as: $V_{oc}$ = 853 and 842 mV, $J_{sc}$ = 13.87 and 15.13 $mA/cm^2$. FF = 0.645 and 0.656 and ${\eta}$ = 7.54 and 8.36% with $B_2H_6$ ratios of 0.5 and 1% respectively.
스크린 프린팅을 이용한 태양전지 에미터 형성에 관한 연구
공대영(Gong, Dae-Yeong),양두환(Yang, Doo-Hwan),김선용(Kim, Sun-Yong),이용우(Lee, Yong-Woo),권태영(Kwon, Tae-Young),윤석우(Yun, Seog-Woo),이광일(Lee, Kwang-Il),이준신(Yi, Jun-Sin) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
This paper shows that you can achieve high quality N+ emitter layers using a screen printable phosphorous diffusion paste and firing in an infrared belt furnace. Spreading resistance measurement from a beveled sample is used to measure carrier concentration as a function of depth for different phosphorous concentrations. Contours of estimated sheet resistance are shown for different processing conditions. This paper describes newly developed low cost phosphorous pastes. It shows the characterization of the newly developed phosphorous paste (DP99-038). This low cost pastes can easily be printed and make 16% efficiency.
문옥륜,이상이,정백근,이신재,김남순,장원기,윤태호,Moon, Ok-Ryun,Lee, Sang-Yi,Jeong, Baek-Geun,Lee, Sin-Jae,Kim, Nam-Sun,Jhang, Won-Ki,Yoon, Tae-Ho 대한예방의학회 2000 예방의학회지 Vol.33 No.4
Objectives : To analyze differences in health behaviors among the social strata in Korea by using the 1995 National Health and Health Behavior Survey Data. Methods : Study Participants numbered 2,352 men and 1,016 women aged between 15-64 years old, with housewives, students and non-waged family workers excluded. Health behaviors in this study were defined according to the recommendations of the Alameda 7 study. The measure of health behaviors was based on the Health Practices Index(HPI; 0-5 range, with the exclusion of snacking between meals and regularly eating breakfast) developed by the Alameda County research. The significance of the relationship between social strata and HPI was assessed by considering the adjusted means from the multi-variate model. Results : For men, incidence rates of never having smoked, no/moderate use of alcohol, regular exercise, and regular 7-8 hours sleep per night were higher in the upper social strate. Meanwhile, for women, incidence rates of never having smoked, no/moderate use of alcohol, appropriate weight, regular exercise, and regular 7-8 hours sleep per night were higher in the upper strata. HPI varied significantly among social strata in both sexes (p<0.001), a result which held true when adjusted for age, education, income, social insurance type, marital status and region. Conclusions : Health behaviors assessed by Health Practices Index(HPI) varied significantly among social strata for both sexes. Therefore, the existing gap in health behaviors among social strata can be corrected more effectively by target oriented health promotional activities.