• Journal of the Korea Society for Simulation
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• v.25 no.2
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• pp.41-49
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• 2016

Counter Fire Operations can be characterized as having a system of systems that key features include situational awareness, command and control systems and highly responsive strike achieved by precision weapons. Current modeling methodology cannot provide an appropriate methodology for a system of systems and utilizes modeling and simulation tools to implement analytic options which can be time consuming and expensive. We explain developing methodology and tools for the effectiveness analysis of the counter fire operations under Network Centric Warfare Environment and suggest how to support a efficient decision making with the methodology and tools. Theater Counter Fire Operations tools consist of Enemy block, ISR block, C2 block and Shooter block. For the convenience of using by domain expert or non simulation expert, it is composed of the environments that each parameter and algorithm easily can be altered by user.

• Journal of the Korea Society for Simulation
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• v.21 no.4
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• pp.25-33
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• 2012

Armed helicopter is an integral part of armed forces, which conducts vital missions, such as anti-armor attack, close air support, escorting air assault operations, and reconnaissance. A typical cockpit arrangement of armed helicopters has been a tandem configuration. This is to reduce the frontal area, which in turn increases the forward speed as well as reduces the chance of being hit by enemy fires. However, many armed helicopters in the world are now being developed as a side-by-side configuration. Such configuration is quite different from the conventional cockpit arrangement in light of the crew communications and situational awareness. Therefore, the main objective of this study is to find the optimized combination of mission tasks among pilots in a side-by-side configuration cockpit by measuring the workload using the NASA Task Load Index method. The experimental results indicate that the workload of crew members differ as disparate tasks are being performed.

• Journal of Korean Academy of Nursing
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• v.36 no.5
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• pp.853-862
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• 2006

Purpose: The purpose of this study was to identify the factors that influence the functional status of patients with heart failure. Method: A descriptive, correlational study design was used. The participants in this study were 260 patients with heart failure who were admitted at Y University and U University in Seoul, Korea. Between September 2005 and December 2005 data was collected by an interview using a questionnaire and from medical records. The Functional status was measured with KASI. Physical factors (dyspnea, ankle edema, chest pain, fatigue, and sleep dysfunction), psychological factors (anxiety and depression), and situational factors (self-management compliance and family support) were examined. Result: In general, the functional status, anxiety, depression, self-management compliance, and family support was relatively not good. The level of fatigue was highest and the level of ankle edema was lowest for physical symptom experiences. In regression analysis, functional status was significantly influenced by dyspnea(23%), age(13%), monthly income(7%), fatigue(3%), ankle edema(2%), depression(1%), and length of stay in the hospital(1%). These factors explained 50% of the variables in the functional status. Conclusion: These results suggest that psycho-physiological symptoms management should be a focus to improve the functional status in patients with heart failure.

• Korean Journal of Social Welfare
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• v.61 no.4
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• pp.137-161
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• 2009

In an effort to identify predictors of job performance, research studies in social work administration has been so far on the individual practitioners' levels of knowledge and skills, which could be used in a workplace. As the theoretical concept of organizational environment was fully introduced into social work administration research, however, studies on practitioners' job performance began to have interest in the team or the organizational level variables as well as individual level variables. Along the course of this tendency, this study attempted to test the effect of individual, team, and organizational level variables on the job performance of human service workers. The individual level variables consisted of knowledge, skills, job satisfaction, personality, and counter-productive work behaviors of workers. The team or the organizational level variables included situational constraint, organizational justice, job characteristics, government-dependency, and inter-organizational cooperation. Multi-level complex survey data collected by cluster sampling method from 314 practitioners in 23 organizations were analyzed using Hierarchial Linear Model. Results showed that both task and contextual performance were affected by individual, team, and organizational level variables in various ways.

• Journal of Family Resource Management and Policy Review
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• v.12 no.2
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• pp.57-72
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• 2008

The propose of this study is to examine the economic stresses and coping strategies for elderly households depending on the variables of background, and to analyze the relations between these factors. Elderly households which satisfied the following criteria were recruited for participation: (a) reside in Seoul, or in the metropolitan area (b) live apart from their adult children after retirement and (c) ages over sixty. From September 20th, 2006 to November 30th, 2006, 296 were used for this research. First, the mean score of the economic stress level of elderly households was 2.87 out of 5, and the stress levels of income expenditure and asset debt were intermediate. The mean score of the economic coping strategy was 3.17 out of 5. In order to overcome economic stress, elderly households utilized reducing their expenditure, financial management, and re-employment. The level of elderly households' life satisfaction was 3.29 of 5 and the depression was 3.17 of 5. Second, there was a difference in accordance with the objective economic variables and the degree of the economic stress after the review of the variables of the elderly households and the coping strategy due to economic stress. The result shows that the households which had a low economic status and high economic stress from the objective viewpoint participated in more economic activities. Their reactions were to decrease the overall expenditure through reducing the expenditure rather than to manage the asset effectively through re-employment or to inaugurating a business. Third, I analyzed situational factors, economic stress, and economic coping strategy in order to compare relative contributors to psychological well-being through using regression. At the third phase in the process of analysis, the socio-psychological factors appeared to be significant factors contributing to psychological well-being. Regarding the stress caused by income expenditure increased, when elderly households were more concerned about reducing expenditure and re-employment, their feelings of depression increased.

• Survey Research
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• v.11 no.2
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• pp.29-44
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• 2010

The aim of this study was to determine principal non-acoustical factors for noise annoyance in the vicinity of Kimpo Airport in Seoul, Korea. Noise annoyance was estimated using self-reported annoyance scale. We have conducted a social survey aiming to identify the main sound sources, evaluate the annoyance and analyse the main effects of noise on people. Acoustical and non-acoustical variables are expected to greatly affect annoyance responses. This study divided acoustical variables into aircraft, road traffic and neighboring noises, and non-acoustical variables into demographic, situational and attitudinal variables. The study performed multiple regression analysis to determine the influences each variable has on annoyance responses. Acoustical variables affect noise annoyance to aircraft and neighboring noise except road traffic noise. For road traffic and neighboring noise annoyance was affected by non-acoustical variable, insulation by housing type. For aircraft noise, main noise source of this area, annoyance was affected by acoustical variable and some non-acoustical variables, mainly exposure time.

• International Commerce and Information Review
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• v.11 no.2
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• pp.343-367
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• 2009

This research is about global investment for managing the important position, what Korea is doing in World's main market. Considering there are some differences between developed countries' model and developing countries' model in doing direct overseas investment, they target to get political agreement and develop the new invest plan and strategy by understanding changes of Korean manufacturing companies in direct overseas investment between 2000 and 2007 and analyzing the change of yearly investment motivation factors and determining factors for investment. The result from this result let us know that company should develop their own idea for their competitive advantage by doing direct overseas investment with the existing theory which convinces the need of competitive advantage for investing overseas. I set actual model and analyze results from it with the considering that it is so important to get knowledge and information for globalizing companies to invest overseas and companies, which want to be world leading ones for their field through innovation and changes, need to have more active strategy. And, the overseas investment, which was already done in other countries, 1. Review its realities and tendency in terms of investing countries, investing industries, and its scale. 2. Set up an actual model, based on strategic combination of investing location select and determination of Korean manufacturing companies and yearly investing factor-effect analysis. 3. Analyze how the situational factors have influenced and what factors would be considered for direct overseas investment. From the analyzing result, even though it is fairly true that raising wage and getting resources, avoiding customs, and developing alternating industries for export had influenced at the beginning, overseas investing companies' policy will be influenced by the results from studying marketing-pursuit type, which emphasizes to manage trade income and outgo, keeping the balance in the black, ensuring raw materials, local producing and manufacturing by using low-wage people for local sale, and situation for changing investing tendency as service industry.

• Convergence Security Journal
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• v.20 no.2
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• pp.29-35
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• 2020

The cyber attacks targeting the systems of national and public organizations in the front line of cyber security have been advanced, and the number of cyber attacks has been on the constant rise. In this circumstance, it is necessary to develop the security evaluation technology to prevent cyber attacks to the systems of national and public organizations. Most of the studies of the vulnerability analysis on the information systems of national and public organizations almost focus on automation. In actual security inspection, it is hard to automate some parts. In terms of security policies for threats, many different plans have been designed and applied in the managerial, physical, and technical fields, giving particular answers no matter how they are subjective or situational. These tendencies can be standardized in OCIL(Open Checklist Interactive Language), and partial automation can be achieved. Therefore, this study tries to implement XML Converter in order for OCIL based security level evaluation with typical evaluation questions.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.7 no.2
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• pp.25-34
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• 2012

It is expected reasonably that firms are likely to be motivated to engage in cooperate social responsibility(CSR) more effectively and efficiently in order for sustainable growth when partnerships on supply chain are willing to embrace the initiative for CSR actively rather than a firm's effort. Given that this is a SCM(Supply Chain Management) approach to CSR, the SC-CSR(Cooperate Social Responsibility in Supply Chain), which encourage all partners on supply chain to apply it, can provide larger social impact. This study is to verify the effect of SC-SCR on the willingness to initiate CSR in small and medium-sized enterprises. As a result of empirical analysis, the application of SC-SCR has positive effect on the willingness of small and medium-sized enterprises to initiate social responsibility by promoting the situational needs. This results indicates that helping firms observe ISO 26000, the recognized international standard for CSR, the motivation for SCR can be reinforced by making partners on supply chain respect CSR.

• Journal of the Korean Society of Clothing and Textiles
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• v.34 no.12
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• pp.2022-2038
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• 2010

Our study was designed to provide some insights on positive country image and the mechanisms of influence that Asian fashion industries can draw upon for future benefit. We focused on a country image and fashion products with Asian ethnic influence. Asian traditional costume elements reflected in contemporary fashion products may be important representative tools for national cultural identity. This study qualitatively investigated how and to what extent country image and additional information influence the evaluation of fashion products influenced by Chinese, Japanese, and Korean traditional dress. We conducted four focus-group interviews (FGI) with 30 students from a fashion program at a university in the United States. We analyzed the evaluation of fashion products influenced by Chinese, Japanese, and Korean traditional dress, and their associations with country image. Our qualitative analysis offered more developed empirical evidence for the various paths through which country image affects the evaluation of fashion products influenced by the ethnic dress of Asians. The results of our study showed that the more direct the source of prior knowledge, the larger the influence on product evaluation. This study showed that certain cues in the evaluation of fashion products with Asian ethnic influence induce changes in the affective state (that stem from the psychological and social nature of fashion products) and illustrate the necessity of considering the affective processes involved in the appropriate use of the country image. In the fashion industry, extrinsic properties such as the country image significantly influence the attitude and purchasing decisions of consumers. The significance of this study lies in its verification of the relationship between the country image and additional information. Modular and situational-contextual influences are also revealed as important factors that deserve more attention, as well as considerations regarding the dimensions of the country image described in attitude theory.