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고등학교 학교스포츠클럽 활동과 신체적 자기효능감 및 사회적 효능감의 관계
이유주 ( Lee Yu-ju ),이세형 ( Lee Sei-hyoung ) 제주대학교 체육진흥센터(구 제주대학교 체육과학연구소) 2019 체육과학연구 Vol.25 No.-
This study was designed to identify the relationship between participation in school sports clubs, physical and social efficiency, and the effectiveness of participation in school sports clubs. For this purpose, the data were collected using a self-representational questionnaire for 236 high school students based in Jeju Island regarding their sense of physical and social efficiency. The statistical analysis of the collected data was performed using SPSS ver.22.0. for reliability analysis, exploration factor analysis, independent T-test and one-way variance analysis, and the following key correlation analysis. First, the results of the Cronbach'a values for the reliability verification of the questionnaire showed that the physical self-efficiency r=916 and the social efficacy r=909 were high. Second, for verification of differences between measurement items, independent T-test and one-way distribution analysis showed that the difference between physical self-efficiency and physical self-efficiency was higher than Both the perceived physical ability and the confidence in physical self-expression were higher than the first and second graders. In the verification of differences in social efficiency by gender, male students showed higher social efficiency than female students, and the difference in social efficiency was higher in both grades. In terms of physical self-efficiency and social efficiency in terms of activity, participants were higher in all factors than women who were miserable. Third, the correlation between physical self-efficiency and social efficiency showed that the direction of the relationship appeared in the direction of emotion (+) and was influenced by it. As a result, high school students ' participation in the school sports club could be judged as a positive effect on the physical and social effects of the physical and emotional development of the students.
가시광 레이저를 이용한 수광소자의 수동정렬 및 플립칩본딩
유정희,이세형,이종진,임권섭,강현서,Yu, Chong-Hee,Lee, Sei-Hyoung,Lee, Jong-Jin,Lim, Kwon-Seob,Kang, Hyun-Seo 한국마이크로전자및패키징학회 2007 마이크로전자 및 패키징학회지 Vol.14 No.3
광통신용 광모듈에서 광소자와 광섬유 또는 도파로를 정밀하게 정렬 및 접합하기 위하여 플립칩본딩 방법 이 널리 이용되고 있다. 이때 광소자를 정확한 위치에 정렬시키기 위하여 기판과 광소자 양쪽에 정렬용 마크를 제작하고 플립칩본더 등을 사용하여 정렬마크를 관찰하며 광소자를 정렬 및 본딩하게 된다. 본 연구에서는 이러한 정렬마크의 제작비용을 줄이고 광섬유와 수광소자(PD 칩)의 수동정렬을 용이하게 하기 위하여 He-Ne 레이저(파장 633nm)인 가시광을 이용한 정렬 및 플립칩본딩 방법을 연구하였다. 광섬유에서 방출되는 레이저 광을 육안으로 관찰하면서 수광소자를 정렬하므로써 패키징에 소요되는 시간과 경비를 절감하고 광모듈의 저가격화를 실현 할 수 있는 새로운 방법이다. 광섬유에 가공되어 있는 V-노치를 경유하여 가시광이 광섬유에 대해 직각방향으로 방출되고 이것을 수광소자와 정렬하는 방법이다. 본 연구결과 광정렬을 위해 입사된 633 nm파장의 가시광 레이저와 통신용 레이저인 1550 nm 파장사이의 파장 차이에 의한 광경로 차이는 약 4m으로 무시가능하고 최대 광세기 지점에서 ${\pm}20\;{\mu}m$ 범위내에서는 광결합효율 변화는 약 2%이었으며 최대 광결합효율은 약 23.3%이었다. In the optical module for optical communications, the flip chip bonding is used fer the precise alignment of the optical fiber and optical device. In flip chip bonding, the optical device is aligned and welded while observing the alignment mark of substrate and chip by using flip chip bonder in order to bond the optical device at the exact position. In this research, optical passive alignment method of photodiode(PD) flip chip bonding is suggested for low cost optical subassembly. By using the visible He-Ne laser (633nm wavelength), photodiode is easily aligned with emitting spot on the optical fiber with the help of stereoscopic alignment system. We compensated wavelength dependent deviation about 4m to find out real alignment position of 1550nm input laser by ray tracing. The maximum optical coupling efficiency between the optical fiber and photodiode was about 23.3%.
중·고등학교 태권도 선수들의 완벽주의성향과 자기관리 및 자신감과의 관계
양지원 ( Yang Ji Won ),이세형 ( Lee Sei Hyoung ) 제주대학교 체육진흥센터(구 제주대학교 체육과학연구소) 2019 체육과학연구 Vol.25 No.-
The purpose of this study was analyze the relationship between perfectionism, self - management and self - confidence of Taekwondo athletes and to examine the role of self - management in self - management and self - confidence. For this purpose, 243 Taekwondo players who were registered as athletes in the Korea sports council gathered data through perfectionism test, self - management questionnaire and confidence questionnaire. In order to analyze the collected data, the following main results were obtained through exploratory factor analysis, reliability analysis and correlation analysis using SPSS 18.0 statistical program. First, the correlation analysis between the variables all of the variables except socially oriented perfectionism and interpersonal relationship showed a positive correlation. second, perfectionism In the relationship between self-direction and confidence Between self-management factors partial mediation effect. third, perfectionism social orientation in the relationship between self-confidence training management showed complete mediating effect. fourth, perfectionism social orientation in the relationship between self-confidence Interpersonal management there was no mediation effect. fifth, perfectionism social orientation in the relationship between self-confidence body management showed complete mediating effect. Seventh, perfectionism other oriented in the relationship between self-confidence training management showed complete mediating effect. Eighth, perfectionism other oriented in the relationship between self-confidence interpersonal management partial mediation effect. Ninth, perfectionism other oriented in the relationship between self-confidence mental management partial mediation effect. The tenth, perfectionism other oriented in the relationship between self-confidence body management partial mediation effect. These results suggest that the higher self - directed perfectionism positively affects self - management and self - confidence. Through this study, the positive effect of self - orientation will help to improve self - confidence and performance by self - management.
지역에 따른 여중생의 학교스포츠클럽활동 재미요인과 수업몰입의 관계
양정빈 ( Yang Jeong-bin ),이세형 ( Lee Sei-hyoung ) 제주대학교 체육진흥센터(구 제주대학교 체육과학연구소) 2019 체육과학연구 Vol.25 No.-
The purpose of this study was to investigate the relationship between school sports club fun factors and flows according to the region. Middle school girls in Jeju Island were selected as population groups, and subjects were selected by region, and a total of 404 questionnaire data were used for analysis. The measurement tools were revised and supplemented by the Fun Factor Questionnaire developed by Lee, Chang - Sup and Nam Sang - woo (2003) and the Instruction Questionnaire developed by Kim Jong - hwan (2008) through consultation with experts. In order to investigate the difference between variables, t - test and variance analysis were carried out and regression analysis was used to analyze the relation between pleasure factor and class immersion. The results of the research were as follows. First, looking at the difference in factors of pleasure according to the grade, it was significantly higher in the order of the first grade, the second grade and the third grade by the factors of the teacher. It was significantly higher in the order of first grade, third grade, and second grade with agreement between behavior and consciousness in class attraction. Secondly, looking at the factors of pleasure according to the region, the towns and villages area was significantly higher than the same area by all sub factors of pleasure factor. Even in class attendance, all the sub factors caused the municipality area to be higher than in the same area. Thirdly, as a result of analyzing the relation between the factors of pleasure and the immersion of classes, it was found that the overall attendance of the lesson becomes significantly higher as the factor of enjoyment increases overall. However, social emotions of factors of pleasure and self-purpose experience of class immersion in coursework easily had a positive relationship with course integration, but they are immersed in the contents, there is no relation with agreement between behavior and consciousness. In this study, it was carried out in quantitative research, but in subsequent research, in addition to this, it would be possible to deeply study the causal relationship between variables in parallel with qualitative research.