• Proceedings of the Korea Association of Information Systems Conference
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• 2005.12a
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• pp.67-85
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• 2005

오늘날 정보화의 급진전에 따른 PC의 광범위한 보급과 네트워크의 확산은 컴퓨터 바이러 스와 관련된 역기능을 심각하게 형성하는 계기가 되었다. 더욱이 컴퓨터 바이러스 개발기술의 발전에 따라 신종 바이러스가 더욱 기술적으로 정교해지고, 다양한 변종이 출현함에 따라 바이러스 대응 소프트웨어를 설치하는 것만으로는 효과적으로 대처할 수 없다는 문제가 제 제기 되었다. 조작의 정보보안을 위해 전반적인 관리적 차원에서 바이러스를 효과적으로 통제할 수 있도록 여러 가지 요인들을 고려해야 한다. 이를 위해 조직의 정보자원의 관리 방향을 제시하고 있는 보안정책이 강조되어야 함은 물론이며, 전체적인 관점에서 정보시스템에 대한 보안을 강화하기 위하여 정보 기술에 대한 부적절한 활용을 통제하고, 사용자 측면에서 감염 확산의 차단 및 재발을 효과적으로 억제할 수 있어야 한다. 이에 따라 본 연구에서는 직접적인 컴퓨터 바이러스 통제를 위해 관리적 측면에서 요인들을 강조하고, 사용자의 시스템 관련 지식 및 인지적 특성 등의 개인적 특성을 반영하여 보안효과를 평가할 수 있도록 연구모형을 구성하였다. 구조방정식 모형에 의한 실증분석 결과에 의하면 조직내 보안정책이 바이러스 통제의 수준에 영향을 미치며, 사용자의 컴퓨터 바이러스 관련 보안인식을 향상시킬 수 있는 것으로 나타났다. 또한 보안통제는 보안효과에 긍정적인 영향을 미치지만 사용자의 정보보안 관련 특성은 보안효과에 영향을 미치지는 않는 것으로 분석되었다.

• The Journal of the Korea Contents Association
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• v.20 no.8
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• pp.438-447
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• 2020

The purpose of this research is to investigate the mediating effect of sense of self-control in the relationship between loneliness and preparation for death of seniors living alone. The research results can be summarized as follows: First, the difference between the feeling of loneliness and the feeling of self-control, depending on the personal trait of the subject was examined. The subjects that are male, have no faith, and have their own houses showed a more intense feeling of loneliness than subjects that are female, have faith, and have their own houses, respectively. Also, the subjects that have their own houses and are engaged in economic activities showed a more intense feeling of self-control. Second, when it comes to the relationship between loneliness and preparation for death, seniors who had been hospitalized and had lower loneliness showed higher levels of preparation for death. Third, the analysis on the effect on sense of self-control revealed that the younger and the lower the loneliness, the higher the sense of self-control. Fourth, such sense of self-control had a partial mediating effect in the relationship between loneliness and preparation for death. Therefore, this research suggested measures to promote activities to prepare for death by decreasing loneliness and strengthening sense of self-control of the elderly living alone.

• Journal of Korea Game Society
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• v.13 no.2
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• pp.131-142
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• 2013

The current study examined how different level of self-constol and construal level influences game users' game addiction. Also we explored the interaction effect between the individual's self-control and construal level on game addiction. To answer the research questions, we conducted an online survey and total 918 participants were selected for the final analysis. According to the results, users with low level of self-control and low-level construal showed higher level of game addiction. In addition, we found a significant interaction effect between self-control and construal-level on game addiction. In high self-control group, game addiction level was low regardless of level of self-construal. However, in low self-control group, the level of construal-level affected game addiction. We found that construal-level played an important mediating variable. These findings suggest a noble insight for autonomous control in alleviatinggame addiction by changing one's level of self-control and self-construal.

• Korean Journal of Culture and Social Issue
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• v.27 no.1
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• pp.51-71
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• 2021

The purpose of this study was to testify the relationship of parental psychological control perceived by young adults in twenties and their social anxiety, and the mediating effects of internalized shame and ambivalence over emotional expressiveness in the model. The online questionnaires were administered to 350 young adults in twenties to assess the four major variables(parental psychological control, internalized shame, ambivalence over emotional expressiveness and social anxiety). In correlation analysis, parental psychological control, social anxiety, internalized shame and ambivalence over emotional expressiveness were positively correlated. Bootstrapping method was used to test the mediating effects, and this study here is statistically significant revealing the path of parental psychological control to social anxiety by mediator such as internalized shame and ambivalence over emotional expressiveness. Finally, parental psychological control-social anxiety partial mediator model was supported. As a result of the study, the higher the level of parental psychological control, the higher the level of internalized shame and ambivalence over emotional expressiveness, and subsequently the higher the level of social anxiety in twenties. The implication and limitation of this study, and future tasks were discussed.

• Journal of the Korean Society of Marine Environment & Safety
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• v.29 no.4
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• pp.307-315
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• 2023

Korea controls the departure of vessels based on the Maritime Safety Act such that only ships with seaworthiness can navigate in bad weather, but scientific evaluation results and quantitative basis for the designation of ships subject to control are insufficient. Opinions for improvement are being raised for a reasonable departure control operation. The purpose of this study is to evaluate the adequacy of the current departure control standards through actual measurement of tugboats, which are the type of vessels subject to control when a wind and wave advisory is effective, and to present quantitative grounds for improvement of controls. A sensor was installed on the tugboat to measure the ship's three-axis motion and hull acceleration, and the hull motion performance was measured by operating in the sea area with a significant wave height of 3 m. The measured values were compared and analyzed based on seaworthiness evaluation factors and limit value standards. The actual ship was excluded from the current control standard according to tonnage, but as a result of the analysis, the pitch value exceeded the operation standard, and a risk to navigation safety existed. The results of this study suggest the need for additional actual measurement studies that can represent various ship types and specifications and review ship departure control targets.

• Korean Journal of Childcare and Education
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• v.11 no.4
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• pp.271-292
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• 2015

The purpose of this study was to examine the mediating effect of young children's self-control in the relationship between mother's affectionate parenting psychological behavioral control and young children's problem behaviors. The subjects of this study were 368 mothers whose young children were 3 to 5years old and attending to 3 private kindergartens and 2 child-care centers located in Chunkbuk. Data were analyzed by frequency, percentage, Primary factor analysis, Cronbach's ${\alpha}$, t-test, F-test, Pearson's correlation, and hierarchical regression, using the SPSS 12.0 program. The results of this study were as follows: First, young children's self control partially mediated when mother's affectionate parenting affected young children's internalizing and externalizing problem behaviors. Second, young children's self control partially mediated when mother's psychological control affected young children's internalizing and externalizing problem behaviors. Third, young children's self control did not show a mediating effect on the relationship between mother's behavioral control and young children's internalizing and externalizing problem behaviors. In conclusion, young children's internalization of mother's psychological control and behavioral control as well as affectionate parenting have its effect on problem behaviors.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.41 no.9
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• pp.747-754
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• 2013

This paper describes SCTE(System and Control unit Test Equipment) as an integrated test equipment for airborne SAR system and control unit. SCTE enhances reusability of test equipment by modular design for required functions and strengthens automatic testing and test convenience by providing functions such as script-based testing function and report generation function. Also, it includes a navigation data simulator which can simulate various flight conditions. In this paper, we details SCTE requirements, H/W and S/W design, implementation, and test results with control unit and SAR system.

• Journal of the Korea Society for Simulation
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• v.19 no.1
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• pp.133-141
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• 2010

This research suggests a unified scheme for using stratified sampling and control variates method to improve the efficiency of estimation for parameters in simulation experiments. We utilize standardized concomitant variables defined during the course of simulation runs. We first use these concomitant variables to counteract the unknown error of response by the method of control variates, then use a concomitant variable not used in the controlled response and stratify the response into appropriate strata to reduce the variation of controlled response additionally. In case that the covariance between the response and a set of control variates is known, we identify the simulation efficiency of suggested method using control variates and stratified sampling. We conjecture the simulation efficiency of this method is better than that achieved by separated application of either control variates or stratified sampling in a simulation experiments. We investigate such an efficiency gain through simulation on a selected model.

• Spatial Information Research
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• v.22 no.2
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• pp.89-97
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• 2014

This study investigated how much the spread of traffic control information affect the traffic congestion in order to identify the behavior of the individual drivers that impacts on the entire transport system. For this purpose, agent-based transportation model was constructed. GIS data were directly used for the transportation model and the processing steps of the simulation results are presented. The results showed that the average speed was not lowered when the traffic information was provided to 30 to 70% of total drivers. In contrast, the driver's average speed is reduced when he traffic information was provided to less than 20% or 80% or more. In summary, the provision of traffic information to drivers has an influence on the traffic flow and bypassing vehicles can generate local congestion. This results can be used as a basis for the future direction of road transport policy.

• Convergence Security Journal
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• v.15 no.3_1
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• pp.63-74
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• 2015

The purpose of this study was to determine the status using the smartphone targeting millitary lesson students, and self-control and coping investigate the influence on smartphone addiction level. The results were also analyzed were to affect this age of smartphones college hours per day using a smartphone to an hour or more self-important 95.3% in individual daily levels of smartphone addiction to sex differences. Smartphone addiction levels showed a higher female than male students, the higher the self-control and self-control over the smartphone results of analyzing the relationship between addiction smartphone addiction has been analyzed to be lowered. In addition, even between coping and smartphone addiction emerged as significant results. In conclusion, the self-control necessary for use in smartphones and use time period, and this was demonstrated that coping problem-oriented coping strategies are required. Were discussing the implications of the study on the basis of these findings, we discuss the future research challenges and limitations.