단결정 실리콘 박막의 미소인장 물성 평가

이상주(Sang-Joo Lee),한승우(Seung-Woo Han),김재현(Jae-Hyun Kim),이학주(Hak-Joo Lee) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11

The mechanical behavior of small-sized materials has been investigated for many industrial applications, including MEMS and semiconductors. It is challenging to obtain accurate mechanical properties measurements for thin films due to several technical difficulties, including measurement of strain, specimen alig㎚ent, and fabrication. In this work, we used the micro-tensile testing unit with the real-time DIC (Digital Image Correlation) strain measurement system. This system has advantages of real time strain monitoring up to 50 ㎚ resolution during the micro-tensile test, and ability to measure the young’s modulus and Poisson’s ratio at the same time. The mechanical properties of SCS (Single Crystal Silicon) are measured by uniaxial tension test from freestanding SCS which are 2.5 ㎛ thick, 200-500 ㎛ wide specimens on the (100) plane. Young’s modulus, Poisson’s ratio and tensile strength in the 〈110〉 direction are measured by micro-tensile testing system.

인터넷의 중독적 사용에 관한 원인과 결과변인 탐색

이상주(Lee Sang-Joo),이약희(Lee Yak-Hi) 한국청소년정책연구원 2004 한국청소년연구 Vol.- No.39,40

본 연구의 주요 목적은 인터넷의 중독적 사용 경향에 관한 원인과 결과변인을 타당화 하는데 있다. 총 885명의 고등학생이 본 연구를 위한 설문에 응답하였다. 인터넷의 중독적 사용과 자기통제력, 사회적 불편감, 문제행동, 부모와의 관계, 학업성적, 충동성, 하루 인터넷 사용시간, 인터넷 접근용이성에 해당하는 8개의 다른 변인들 간의 상관관계 분석 결과, 인터넷 중독과 가장 관련이 깊은 변인은 하루 평균 인터넷 사용시간과 문제행동으로 나타났다. 충동성, 사회적인 불편감, 부모와의 부정적인 관계는 인터넷의 중독적 사용과 정적관계가 있는 것으로 나타났다. 자기통제력과 인터넷의 중독적 사용간의 관계에 대한 분석결과에서는 자기 통제력이 높을수록 인터넷의 중독적 사용 정도가 낮은 것으로 나타났다. 인터넷 중독 경향과 그것의 선행변수들과의 관계에 대한 다중회귀 분석 결과, 인터넷 중독경향은 3가지 개인차 요인들(자기 조절, 충동성, 사회적 불편감)에서 직접적으로 영향을 받는 것으로 나타났다. 추가로, 온라인 게임 사이트의 인터넷 사용은 인터넷 중독과 친밀하게 관련된 요인인 것으로 나타났다. The main objective of this study is to verify causal relationship between the antecedents and consequences of internet addiction tendency. In total, 885 high school students participated in the survey. By sex, male students were 453, female students were 432. The results were as follows.<br/> First, in the results of correlation analysis between internet addiction tendency and its related factors, adolescents' the time of internet using, problem behaviors, impulsivity, and social discomfort factor showed positive significant correlation with the level of internet addiction tendency. While, adolescents' self-control, academic achievement and the degrees of satisfaction of interpersonal relationship with their parents showed negative significant correlation with the internet addiction tendency.<br/> Second, to identify the relationship between internet addiction tendency and its antecedents the multiple repression analysis was performed. The results showed that internet addiction tendency was directly affected by three individual difference factors(self-control, impulsivity, and social discomfort).<br/> At last, the implications and limitations of these findings were discussed, and the future research directions were also proposed.

숲 체험 활동을 한 유아의 감성지능이 주관적 행복감에 미치는 영향

이상주(Sang Joo Lee),신원섭(Won Sop Shin) 한국산림휴양복지학회 2018 한국산림휴양학회지 Vol.22 No.3

연구의 목적은 숲 체험이 유아에게 주는 효능을 검증하기 위해, 유아의 감성지능과 행복감 간의 관계에서 친사회적 행동이 어떤 역할을 하는지를 검증하고자 하였다. 연구방법은 A시 육아종합지원센터에서 실시한 ‘숲체험프로그램’에 참여한 어린이집 유아 281명을 대상으로 실시하였다. 숲에서 미술, 게임 등 다양한 숲 체험과 놀이를 즐길 수 있는 A시 숲 체험 프로그램에 2017년 9월 4일부터 11월 27일까지 12회 걸쳐 프로그램을 오후 2시부터 4시까지 진행하였다. 측정은 참가한 유아들을 대상으로 보육교사가 감성지능, 행복감, 친사회적 행동척도를 이용하여 측정하였다. 연구결과는 첫째, 유아의 행복감을 높이는데 숲을 이용한 활동이 효과가 있는 것으로 나타났다. 둘째, 친사회적 행동은 유아의 감성지능과 행복감에 영향을 미치는 요인이므로 유아의 친사회적 행동을 높일 수 있는 숲 체험프로그램을 증진시킬 수 있는 방안을 모색하여야 한다. 셋째, 유아의 감성지능이 행복감에 영향을 미치는 요소이므로 체계적인 숲 체험 프로그램을 기획하여 보급하여야 할 것이다. The purpose of this study was to examine the role of prosocial behaviors in the relationship between children’s emotional intelligence and happiness in order to examine the effects of forest experience on infants. The study was conducted on 281 infants in a nursery school participating in the ‘Forest Experience Program’ conducted by the Comprehensive Child Care Support Center at A City. From April 4th to November 27th, 2017, the program was run from 2:00 pm to 4:00 pm in the A City Forest Experience Program, where visitors can experience various forests and games including forests, arts and games. Measurements were measured by the teachers using emotional intelligence, happiness, and prosocial behavior scale. The results of this study are as follows: First, forest activity was found to be effective in enhancing the happiness of infants. Second, prosocial behavior is a factor affecting the emotional intelligence and happiness of young children. Therefore, it is necessary to find ways to promote the forest experience program that can raise prosocial behavior of infants. In addition, the proportion of activities and programs that can promote prosocial behavior of infants during the forest experience activities should be increased. Third, since the emotional intelligence of infants is a factor affecting the happiness, it is necessary to plan and distribute a forest experience program that systematically improves the happiness of the infant through systematic program planning.

기업 종사자의 안전의식이 직무만족과 조직몰입에 미치는 영향 - 부산·경남지역 제조업 종사자를 중심으로 -

이상주 ( Lee Sang Joo ),이린나 ( Li Lin Na ),원철식 ( Won Chol Shik ) 경남대학교 산업경영연구소 2016 지역산업연구 Vol.39 No.1

If members of companies are assured safety, it will have desirable impact on job satisfaction, and organizational commitment. The main purposes of this study is to examine the factor of safety awareness which is effected on manufacturing industry employee's job satisfaction and organizational commitment. Sample subjects used in this study were 221 employees working at manufacturing industry. The data from this survey were analyzed by using various statistical techniques including frequency tables, factor analysis, and regression analysis. The research findings are summarized below. First, it was found that employee's job satisfaction and organizational commitment is affected by safety awareness factors. Second, it was found that the job satisfaction have a significant impact on their organizational commitment. Through this study, the meanings of variables of safety awareness which were not often dealt with under business administration perspectives can be utilized as not only influence factors on work attitude but also input factors for making profits.

국제회계기준의 수용을 위한 한국회계제도의 개선에 관한 연구

이상주(Lee, Sang-joo) 한국경영교육학회 2000 경영교육연구 Vol.20 No.-

중장년층 은퇴준비역량과 성공적 노화 예측 간의 구조적 관계 : 사회적지지 매개변수 중심으로

이상주(Lee, Sang-Joo) 한국여가복지경영학회 2021 여가복지경영연구(여가복지) Vol.2 No.2

본 연구는 중장년층 은퇴준비역량과 성공적 노화 예측 간의 구조적 관계를 파악하기 위해 매개변수로 사회지지를 통해 은퇴와 성공적 노화간의 관계를 살펴보고자 하였다. 연구를 위해서 평생교육기관에서 교육을 받은 학습 대상자 537명을 대상으로 설문을 진행하였다. 연구결과 경로 1은 은퇴인식 - 사회적 지지 - 자율적 삶으로 나타났으며, 은퇴인식이 높을수록 사회적 지지는 높아지고(.340), 사회적 지지가 높을수록 자율적 삶도 향상된다(.573) 이 같은 경로를 통해서 은퇴인식이 자율적 삶에 미치는 영향의 효과는 .195(.340×-.573)이다. 다음으로 경로 2는 은퇴준비교육 - 사회적 지지 - 자율적 삶으로 은퇴준비가 높을수록 사회적 지지도 높아지고(.525), 사회적 지지가 높을수록 자율적 삶도 향상된다(.573). 이 같은 경로를 통해서 은퇴준비가 자기수용에 미치는 영향의 효과는 .300(.525×.573)이다. 따라서 본 연구에서 분석된 바와 같이, 은퇴인식과 은퇴준비 정도는 자기수용성이나 자율적 삶 등에 직접적인 영향을 미치기도 하지만 주로 긍정적 심리자본과 사회적 지지를 매개하여 유의미한 영향을 미친다는 점이다. 따라서 향후 성공적 노화예측의 한 변인으로서 자기수용성과 자율적 삶의 향상을 위해서는 은퇴인식과 은퇴준비도의 향상이라고 하는 본질적 노력과 함께 사회적 지지를 강화시킬 수 있는 방안도 함께 고민되어야 한다. The purpose of this study was to investigate the effect of emotional labor of early childhood teachers on psychological well-being and role performance. To this end, questionnaires were distributed to early childhood teachers working at daycare centers located in Seoul. A total of 229 questionnaires were recovered, and there were no response sheets that impede validity, so 229 copies were used for statistical analysis. The data collected in this study were analyzed using SPSS v.22.0. As a result of the study, first, there was a statistically significant difference between groups in psychological well-being and role performance according to teaching experience, but there was no significant difference in emotional labor. Second, the relationship between emotional labor, psychological well-being, and role performance interaction of teachers was found to have a statistically significant positive correlation. Third, it was found that internal behavior had a positive (+) effect on psychological well-being, but surface behavior did not have a statistically significant effect. Fourth, internal behavior was found to have a positive (+) effect on role performance, but superficial behavior did not appear to have a statistically significant effect. Fifth, psychological well-being was found to have a positive (+) effect on role performance.

지역아동센터 아동의 사회적 지지가 미디어중독에 미치는 영향: 우울 매개효과를 중심으로

이상주(Sang Joo Lee),김정훈(Joung Hoon Kim) 한국교정복지학회 2019 교정복지연구 Vol.0 No.60

In order to solve the problem of media addiction among children at the local children s center, this study tried to verify the social support of children and the mediated effect of depression in relation to media addiction to find out the effect on media addiction. The subjects were measured using the Children s Panel Survey of the Central Support Group of the Local Child Center. The statistics used were of 438 children in the second phase of the Children s Panel Survey. Data analysis was performed with correlation and regression to verify hypotheses using the SPSS 21.0 statistics program. In summary, the results of this study are as follows. First, if you look at the correlation between social support, depression and media addiction in detail, in children of local children s centers, depression showed family support, media addiction and statistically significant correlation, and school support and friend support showed a negative significance. Second, in the verification of the mediated effect between the social support and media addiction of children in the local children s center, the support of friends and support in schools had a full-scale effect, and the support of families had a partial wholesale effect. 본 연구는 지역아동센터 아동의 미디어 중독문제를 해결하기 위해 아동의 사회적 지지와 미디어 중독과의 관계에서 우울이 가지는 매개효과를 검증하여 미디어 중독에 미치는 영향에 대해 알아보고자 하였다. 연구대상자는 지역아동센터 중앙지원단의 아동패널조사를 이용하여 측정하였다. 사용된 통계량은 아동패널조사 2기 4차 438명을 대상으로 하였다. 자료 분석은 SPSS 21.0 통계 프로그램을 활용하여 가설을 검증하기 위해 상관관계분석, 회귀분석을 실시하였다. 본 연 구의 결과를 요약하면 다음과 같다. 첫째, 사회적지지, 우울, 미디어 중독과의 상관관계를 자세하게 살펴보면, 지역아동센터의 아동에서 우울은 가족지지, 미디어 중독과 정적으로 유의하고, 학교지지와 친구지지는 부적으로 유의한 상관을 보여 주었다. 둘째, 지역아동센터 아동의 사회적 지지와 미디어 중독간의 매개효과 검증에서는 친구 지지와학교 지지는 완전매개효과가 있었고, 가족 지지는 부분매개 효과가 있었다.

췌장암의 임상적 고찰 - 생존율 및 예후관련인자를 중심으로

이상주(Sang Joo Lee),이용찬(Yong Chan Lee),송시영(Si Young Song),정재복(Jae Bock Chungj),강진경(Jin Kyung Kang),박인서(In Suh Park) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.6

To identify the clinical characteristics and those factors associated with prognosis, we ana- lyzed 179 patients with pancreatic cancer who were histologically confirmed from January 1981 to August 1990 at Severance Hospital, Yonsei University. The mean age of the patients was 56.3 years, and the male to female ratio was 2.6 to 1. The most common symptom was abdominal pain(87.7%) and sign abdominal tenderness(63.7%). The elevation of serum CEA (more than 5ng/ml) was noted in 67.2%. The diagnostic accuracies for the pancreatic carci- noma of abdominal ultrasonography, computed tomography and ERCP were 86.7%, 94.3% and 92.4% respectively. The head of pancreas was the most common location(64.3% ), tail(17.9 body(15.6%), and diffuse type(2.2%) were in next order of frequency. Adeno- carcinoma was the most common type of malignancy(82.1% ). The remainings were mucinous adenocarcinoma, undifferentiated carcinoma, duct cell carcinoma, acinar cell carcinoma, cystadenocarcinoma, papillary adenocarcinoma and epidermoid carcinoma. Among 163 pa- tients who could be evaluated the clinical stages, only 6 cases(3.7% ) belong to stage I and the number of patients belong to stage II, stage III and stage IV were 14(8.6% ), 46(28.2% ), 97(59.5% ) cases respectively. And the two common sites of distant metastasis were liver(42.9 %) and peritoneum(22.7%). The median survival of 100 patients who could be evaluated the survival was 4.2 months. The survival rates were 35.9% at 6 months, 14.7% at 12 months and 4.0% at 24 months. There was no significant difference in survival rates according to the loca- tion of the tumor. The survival rate of the patients with stage I was significantly higher than that of the rest of patients with other stages(p<0.05). According to the treatment modalities, the median survival was 3.1 months in the group of no treatment, 4.3 months in surgical drainage group, 9.7 months in chemotherapy and/or radiotherapy group and 19.4 months in curative resection group. The survival rate of curative resection group was significantly higher than that of other treatment group(p<0.05). The survival rate of surgical drainage group was significantly higher than that of no treatment group(p<0.05). (Korean J Gastro- enterol 1994; 26: 1010 1020)

담낭결석 환자의 담낭 수축능

이상주(Sang Joo Lee),송시영(Si Young Song),이상인(Sang In Lee),강진경(Jin Kyung Kang),정재복(Jae Bock Chung),박인서(In Suh Park) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.6

One of the etioloic factors in the formation of cholesterol gallstones is the supersaturation of gallbladder bile with cholesterol. However, this factor does not complete the explanation. The bile stasis in the gallbladder may also play a role in the formatior: of the cholesterol gallstones by supplying the time for nucleation of cholesterol crystal. The present study evaluated the gallbladder emptying in response to a fatty meal by ultrasonography in 11 patients with asymptomatic gallstones and normal control group of 13 healthy subjects. Of the eleven pa- tients with gallstones, five had radiolucent stones and six had radioopaque stones. Additionally, we also evaluated the effect of nifedipine, calcium channel blocker, on gallblad- der contraction in both patients with gallstones and control group. The gallbladder was significantly contracted in control group by the fatty meal but not by water(p<0.01). The contraction of gallbladder by fat meal in gallstone group was significant- ly decreased comparing with that in control group(p<0.01). The time of maximum contrac- tion was delayed in patients with gallstones. Dividing the patients with gallstones into the ra- diolucent stones and the radioopaque stones, the more significant decrease of gallbladder con- traction was noted in patients with radiolucent stones than in those with radioopaque stones(p <0.05). The gallbladder contraction in patients with gallstones and control group was signifi- cantly blocked with a pretreatment of oral nifedipine(p<0.01). In conclusion, the more significant decrease of gallbladder contraction in patients with radio- lucent stones may be interpretated as the possible factor of pathogenesis for the formation of the cholesterol stone. Additionally, the calcium ion may be related to gallbladder contraction, and nifedipine could lessen the gallbladder contract,ions in both controls and patients with gall- stones.(Korean J Gastroenterol 1994; 26: 944 951)

외식서비스기업 관계마케팅 요인이 고객만족, 재방문 및 경영성과에 미치는 영향

이상주(Lee, Sang-Joo),원철식(Won, Chol-Shik),정연국(Jeong, Yeon-Kook) 한국관광레저학회 2018 관광레저연구 Vol.30 No.8