• Asia Pacific Journal of Business Review
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• 제6권1호
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• pp.61-73
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• 2021

This study attempted to examine the structural relationship between the main factors that determine the intention to continue participation in yacht activities. Specifically, motivation for yacht activities was divided into achievement motivation, social motivation, escapist motivation, conspicuous motivation, and hedonic motivation, and the effect of each motivation on the satisfaction and continuous intention of yacht activities was examined. This study surveyed 338 ordinary people who were interested in yacht activities or had experience in yacht activities, and verified the main hypothesis through regression analysis. The main analysis results of this study are as follows. First, it was found that achievement motivation did not affect satisfaction. Second, it was found that social motivation had a positive (+) effect on satisfaction. Third, it was found that escapist motivation had a positive (+) effect on satisfaction. Fourth, it was found that the conspicuous motivation had a positive (+) effect on satisfaction. Fifth, it was found that hedonic motivation had a positive (+) effect on satisfaction. Sixth, it was found that the achievement motivation had a positive (+) effect on continuous intention. Seventh, it was found that social motivation did not affect continuous intention. Eighth, it was found that escapist motivation had a positive (+) effect on continuous intention. Ninth, it was found that the conspicuous motivation did not affect continuous intention. Tenth, it was found that the hedonic motivation had a positive (+) effect on continuous intention. Eleven, satisfaction was found to have a positive (+) effect on continuous intention. This study derived academic and practical implications based on the analysis results and proposed future research directions.

• 교육시설 논문지
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• 제26권6호
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• pp.29-37
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• 2019

The research institute has a function to get the research outcome through the various experiments, data collection and analysis. Therefore, research building is important to keep the research condition or experiment environment. But buildings would be deteriorated and leaded into the deterrence of research. Maintenance is planned to protect the research building condition through various general repair or heavy repair. The heavy repair is generally conducted in massive repair scope or main components preparation. In this paper, it aimed at analyzing the effect of the massive or main components repair with inputted cost and its resulted output. In order to analyze the effect of a massive repair, it used the Benefit/Cost analysis and sensitivity analysis. Results of this study are as follows : The benefit/cost analysis shows that research building whose researcher continuously live and study has good effect. On the contrary, pace of the the experimental function is not good effect in benefit/cost analysis. But the experimental function is indispensible to get the research outcom for the research goal. Therefore, the experimental function will be planned to repair and get the historical repair data because the proper repair time would be prepared to cut down the repair cost.

• 한국전산구조공학회:학술대회논문집
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• 한국전산구조공학회 2006년도 정기 학술대회 논문집
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• pp.993-1000
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• 2006

Practical stability design method of main members of cable-stayed bridges is proposed and discussed through a design example. For this purpose, initial tensions of stay cables and axial forces of main members are firstly determined using initial shaping analysis of bridges under dead loads. And then the effective buckling length using system elastic/inelastic buckling analysis and bending moments considering $P-{\delta}-{\Delta}$ effect by second-order elastic analysis are calculated for main girder and pylon members subjected to both axial forces and moments, respectively. Particularly, load combinations of dead and live loads, in which maximum load effects due to live loads are obtained, are taken into account and effects of live loads on effective buckling lengths are investigated.

• 한국경영과학회지
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• 제39권1호
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• pp.101-112
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• 2014

PSS (Product-Service System) is a competitive strategy for a service company or a servitized manufacturer. We investigate the product-service integration effect in a mobile phone service industry. Using choice-based conjoint analysis, we measure main and interaction effects of product and service. We collected a sample of size 171 from a college student group in Seoul, Korea. We find the existence of the interaction effect of product and service in PSS and show the direction of PSS strategy using main and interaction effect.

• 한국의류학회지
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• 제21권4호
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• pp.740-749
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• 1997

The purpose of this study was to identify the effects of perceptual self-concept and evaluative self-concept (self-esteem) on the clothing behavior of college students. The subjects of this study were college students who were attended in Semyung University. For statistical analysis, factor analysis, 1-test, Pearson's correlation and two-way ANOVA were used. The results of this study were as follows: 1. Male students showed higher evaluative self.concept than female students. 2. Shopping motivation was varied according to self-concept especially in male students. And in fashion pursuit factor, sex and self-concept had the main effect and concurrently there was interaction. 3. Clothing interest was varied according to self-concept. About fashion interest, sex had the main effect and sex and self-concept showed the interaction. 4. Clothing satisfaction was changed according to self-concept. Self-concept showed the main effect in fashionable factor and practical factor, and sex and self-concept had interaction in fashionable factor.

• 대한간호학회지
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• 제30권6호
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• pp.1503-1520
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• 2000

The purpose of the present study is 1) to explain major effect models (main, moderating, and mediating) of social support and statistical methods for testing the effect models and 2) to analyze and evaluate the consistency in the use of the effect models and its statistical methods in Korean nursing studies. A total of 57 studies were selected from Journal of Korean Academy of Nursing, Journal of Korean Academic Society of Adult Nursing, Journal of Korean Women's Health Nursing Academic Society, Journal of Fundamentals of Nursing, Journal of Korean Community Nursing, Journal of Korean Psychiatric and Mental Health Nursing Academic Society, and Journal of Korean Pediatric Nursing Academic Society published in the year of 1990-1999. In results, most studies on social support performed in Korea Nursing Society were about a main effect model. There are few studies on moderating or mediating model of social support. Thus, it was difficult to find research findings how, why, under what conditions social support impacted on health outcomes. Most studies on the moderating or mediating effect model of social support used statistical methods for testing main effect model rather than for testing moderating or mediating effect model. That is, there are inconsistency between effect models of social support and its statistical methods in Korean nursing researches. Therefore, it is recommended to perform studies on moderating or mediating effect model and use appropriate statistical methods.

• 한국철도학회:학술대회논문집
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• 한국철도학회 1999년도 추계학술대회 논문집
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• pp.566-573
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• 1999

This paper is the result of sensitivity analysis of derailment with respect to the selected suspension elements for the rail vehicle. Derailment phenominon has been explained by the derailment quotient. Thus, the sensitivity of derailment is suggested by a response surface model(RSM) which is a functional relationship between derailment quotient and characteristics of suspension elements. To summarize generation of RSM, we can introduce the procedure of sensitivity analysis as follows. First, to form a RSM, a experiment is performed by a dynamic analysis code, VAMPIRE according to a kind of the design of experiments(DOE). Second, RSM is constructed to a 1$\^$st/ order polynomial and then main effect fators are screened through the stepwise regression. Finally, we can see the sensitivity level through the RSM which only consists of the main effect factors and is expressed by the liner, interaction and quadratic effect terms.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2009년도 정보 및 제어 심포지움 논문집
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• pp.335-337
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• 2009

A scanning electron microscope(SEM) is a system that visualizes complex surface features. The resolution of SEM is affected by each of equipment components. In this study, we examined the effects of the four factors including the beam current, magnification, voltage and working distance. A statistical analysis was conducted to investigate the main and interaction effects. For a systematic characterization, a $2^4$ full factorial experiment was conducted. The $R^2$ of constructed statistical model was 88.9%. The main effect revealed that the current and working distance are dominant factors. Of the interactions, those between the current and voltage yielded the highest interaction. 3D plots generated from the model were used to explore various parameter effects.

• 한국작물학회지
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• 제54권2호
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• pp.165-171
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• 2009

The objective of this study was to characterize the main-effect QTLs, epistatic QTLs and QTL-by-environment interactions (QE), which are involved in the control of protein content. A population of 120 doubled haploid (DH) lines derived from a cross between 'Samgang' and 'Nagdong', was planted and determined for protein content over three years. Based on the population and a genetic linkage map of 172 markers, QTL analysis was conducted by WinQTLcart 2.5 and QTLMAPPER. Three main-effect QTLs affecting protein content of brown rice were detected from 2004 to 2006 on chromosomes 1 and 11. The qPC11.2 was repeatedly detected across two years. Seven pairs of epistatic loci were identified on eight chromosomes for protein content and collectively explained 39.15% of phenotype variation. These results suggest that epistatic effects might be an even more important component of the genetic basis for protein content and that the segregation of the DH lines for protein content could be largely explained by a few main-effect QTLs and many epistatic loci.

• 한국구조물진단유지관리공학회 논문집
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• 제13권3호통권55호
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• pp.164-172
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• 2009

현수교는 주케이블이 목표하는 형상을 이루어 기하학적 강성을 갖도록 앵커, 새들과 같은 장치를 적용하고 있다. 지금까지의 연구에서는 두 장치를 모두 고정절점으로 단순화하여 해석하는 것이 일반적이었다. 그러나 새들의 경우 주케이블의 슬라이딩 현상이 발생할 수 있으며 이로 인하여 구조물의 응답이 달라진다. 특히 현수교의 시공단계 초기에 셋백로프를 철거하거나 셋백을 수행하지 않는 경우 새들 전후 주케이블의 장력 차이가 커지므로 슬라이딩이 발생하기 쉽다. 따라서 본 연구는 유한요소법을 이용한 케이블의 슬라이딩 해석방법을 제시하고 슬라이딩을 고려한 현수교의 시공단계별 해석을 수행하여 슬라이딩을 고려하지 않은 해석결과와 차이를 분석하였다. 슬라이딩을 고려한 해석을 통해 얻어진 결과는 구조물에 불리한 응답을 나타낼 수 있으므로 주케이블과 새들 사이의 슬라이딩을 고려한 해석은 필수적이다. 또한 본 연구의 슬라이딩 해석방법 및 해석결과는 이후 현수교의 설계와 시공시의 참고자료로 활용될 수 있다.