• Korean Journal of Psychosomatic Medicine
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• v.15 no.2
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• pp.107-112
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• 2007

Introduction : A positive thinking has been known to affect the enhancement of performance. One of temperament characters, harm avoidance is thought to be associated with anxiety related behaviors. Golfer showed highest anxiety and lowest score of harm avoidance, compared to any other sports. We hypothesized that positive feedback and reinforcement in golfer would decrease the anxiety and improve the performance. Methods : Fifty one golfers with the age from 15 to 19 were classified into two groups; 25 golfers who used Zinsser's Changing Negative thoughts to Positive thoughts and Beswick's positive self talk when exercise and competition (P-FB) and 26 golfers who had not (controls). Harm avoidance, Spielberg's Trait and State Anxiety, and Golf scores has been assessed at baseline and 6 months later. Results : There was no significant difference in baseline harm avoidance, anxiety, and golf scores between P-FB and controls. The total golf scores in both groups have improved after 6 month later. However, P-FB group showed greater improvement of total scores and putting scores, compared to controls. The state anxiety in PFB group has been decreased, while there was no change in controls. The change in the state anxiety was correlated with harm avoidance and the change in total golf scores. Discussions : The positive thinking has enhanced performance and state anxiety. The improvement of performance and anxiety in golfers was associated with high harm avoidance. The current study showed that the regulation of anxiety with positive thinking was helpful to the performance enhancement in subject with high harm avoidance.

• Journal of Families and Better Life
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• v.12 no.2
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• pp.140-152
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• 1994

본 연구는 청소년 자녀를 둔 가정에서 부부가 지각하는 가족체계 유형에 따라 부부간 갈등과 대천방안이 어떠한가를 알아보는 데 그 목적이 있다. 서울시와 근교에 거주하는 532쌍에 부부를 대상으로 조사한결과 부부 양반이 지각한 가족응집성과 가족적응성은 높은 편이고 부인이 남편보다 가족응집성을 더 높게 지각한다. 가족체계 유형은 HH가족이 47.9%, LL가족이 35.1% 이며, 교육수준, 직업, 결혼기간, 종교일치여부 등에 따라 차이를 보인다. 부인이 남편에 비해 갈등정도가 더 높고 신앙에 의지, 외부도움 요청, 감정표출, 회피 등 의 대처방안을 더 많이 사용한다. 가족의 응집성 및 적응성이 높을수록 부부 양방에서 부부간 갈등정도가 낮고 이성적 대처방안을 많이 사용하며 행동표출, 회피 등의 대처방안은 적게 사용한다. 따라서 가족의 응집성과 적응성이 부부 공통적으로 부부간 갈등정도 및 이성적 대처, 행동표출, 회피등의 대처방안과 선형적 관계를 보인다. 또한 가족의 응집성은 부부 공통적으로 감정표출의 대처방안과도 선형적 관계를 보인다. 가족체계 유형중 HH가족과 LL가족에서 역시 부부간 갈등정도와 대처방안 사용이 각각 차이를 보인다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2022.11a
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• pp.82-83
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• 2022

국제해상충돌예방규칙(COLREGs)에 관한 협약은 해상에서 발생하는 충돌사고를 방지하기 위한 규칙으로 구성되어 있으며, Seaman(선원)의 Qualitative Rule(질적 규칙)과 Ordinary practice(통상적인 관행)에 기초하고 있다. MASS의 출현으로 인하여 질적 규칙과 관행으로 인하여 COLREG를 기반으로 한 항법 해석의 기준의 다름이 발생하였고, 기준의 차이로 인해 충돌 상황에 대한 항법 해석의 모호성문제가 발생하고 있다. 따라서 본 연구는 COLREG의 항법 해석의 모호성을 규명하여 유인과 무인 사이의 충돌회피 상황을 명확히 하는 것을 목적으로 한다. COLREG를 기반으로 한 충돌 상황의 모호성을 식별하기 위해 실제 항해사를 대상으로 충돌 회피 상황에 대한 인식을 조사하고, 정면 및 횡단, 횡단 및 추월 상황을 기반으로 조사 결과를 분석하였다. 분석 결과, 응답자들은 008°에서 마주치는 선박에 대해서 정면 또는 횡단 상황 항법 규칙을 적용해야 하는지, 160°에서 다가오는 선박에 대해서 추월 또는 횡단 상황을 적용해야 하는지에 대해 확신하지 못하는 것으로 나타났다. 이러한 결과는 이러한 모호성의 증가와 함께 충돌회피상황의 수동적 행동보다 능동적인 행동을 취함으로써 선원에 의한 충돌위험을 회피하려는 경향이 더 강해짐을 나타낸다.

• Journal of the Korean Society for Marine Environment & Energy
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• v.12 no.1
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• pp.15-22
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• 2009

Auto-navigation algorithm have been studied to avoid collision and grounding of a ship due to human error. There have been many research on collision avoidance algorithms but they have been validated little on the real coastal traffic situation. In this study, a Collision Avoidance algorithm is developed by using Fuzzy algorithm and the concept of Changeable Action Space Searching (CAS). In the first step, on a basis of collision risk calculated from fuzzy algorithm in the current time(t=to), alternative Action Space for collision avoidance is planned. In the second step, next alternative Action Space for collision avoidance in the future($t=to+{\Delta}t$) is corrected and re-planned with re-evaluated collision risk. In the third step, the safest and most effective course among Action Space is selected by using optimization method in real time. In this paper, the main features of the developed collision avoidance algorithm (CAS) are introduced. CAS is implemented in the ship-handling simulator of MOERI. The performance of CAS is tested on the situation of open sea with 3 traffic ships, whose position is assumed to be informed from AIS. Own-ship is fully autonomously navigated by autopilot including the collision avoidance algorithm, CAS. Experimental results show that own-ship can successfully avoid the collision against traffic ships and the calculated courses from CAS are reasonable.

• The Journal of the Korea Contents Association
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• v.18 no.9
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• pp.346-356
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• 2018

The Purpose of this study is to examine the effect of communication competence and empathy on stress coping in college students. The research problems were verified by correlation analysis and multivariate regression analysis. A questionnaire survey was conducted on 292 college students. The findings are as follows. First, college students who have high communication competence show more problem-focused coping, social-support seeking coping, and self-soothing coping in stressful conditions, but less emotion-oriented coping and avoidance-oriented coping. Particularly, it is found that behavioral flexibility in communication competence has the greatest effect on problem-focused coping and emotion-oriented coping. Similarly, affiliation/support influences social support seeking coping, interaction management influences self-soothing coping and avoidance-oriented coping. Second, college students who have high empathy are also found more problem-focused coping, social-support seeking coping, and self-soothing coping in stressful conditions. Especially it is found that role-taking in empathy has the greatest effect on problem-focused coping self-soothing coping. Similarly, emotion recognition influences avoidance-oriented coping, emotional resonance influences emotion-oriented coping, authenticity influences social-support seeking coping.

• The Journal of the Korea Contents Association
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• v.19 no.5
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• pp.316-330
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• 2019

This study examines the effect of goal orientation (GO) on employee' self-esteem and organizational citizenship behavior (OCB). Also, this paper investigates the mediating effect of employee' self-esteem and the moderating effect of leader's ethical leadership. The results of this study targeted 1,656 employees working at company and public institution were as follows: First, we found that learning goal orientation (LGO) and performance prove goal orientation (PPGO) had a positive impact on employee' self-esteem. But performance avoid goal orientation (PAGO) was not directly related to self-esteem. Second, LGO and PPGO had a positive effect on employee' OCB. But PAGO was not related to OCB. Third, the mediating role of self-esteem in the relationship between GO variables (LGO, PPGO) and OCB was statistically significant. Finally, the interaction term of employee' GO (LGO, PPGO) and leader's ethical leadership was not related to OCB, whereas the positive link between PAGO and OCB was stronger when leader's ethical leadership was high. In particular, this study presented with implications for future research, limitations of this study.

• Proceedings of the KIEE Conference
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• 2001.07d
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• pp.2660-2662
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• 2001

Q-학습은 최근에 연구되는 강화학습으로서 환경에 대한 정의가 필요 없어 자율이동로봇의 행동학습에 적합한 방법이다. 그러나 다개체 시스템의 학습처럼 환경이 복잡해짐에 따라 개체의 입출력 변수는 늘어나게 되고 Q함수의 계산량은 기하급수적으로 증가하게 된다. 따라서 이러한 문제를 해결하기 위해 다개체 시스템의 Q-학습에 적합한 연속적인 Q-학습 알고리즘을 제안하였다. 연속적인 Q-학습 알고리즘은 개체가 가질 수 있는 모든 상태-행동 쌍을 하나의 Q함수에 표현하는 방법으로서 계산량 및 복잡성을 줄임으로써 동적으로 변하는 환경에 능동적으로 대처하도록 하였다. 제안한 연속적인 Q-학습 알고리즘을 벽으로 막힌 공간에서 두 포식자와 한 먹이로 구성되는 먹이-포식자 문제에 적용하여 먹이개체의 효율적인 회피능력을 검증하였다.

• The Korean Journal of Woman Psychology
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• v.16 no.1
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• pp.1-21
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• 2011

In order to explore the impact of gender in the effects of age, temperament, and parenting on preschoolers' psychosocial problems, 339 preschoolers, 3-5 year old, were assessed using parent report measures of externalizing and internalizing behavior problems, temperament, and parenting. The results of ANOVA and hierarchical regression analyses are as follows. First, the main effects of age and gender for externalizing problems and the interaction effect of age and gender for internalizing problems were significant. Second, the important predictors of preschoolers' internalizing and externalizing problems were different by gender. In boys, Novelty Seeking(NS), Harm Avoidance(HA), and hostile parenting significantly predicted both problems. In girls, NS, HA, and warm parenting significantly predicted both problems. In addition, girls were more strongly influenced by parenting whereas boys were more influenced by their temperaments. The results of this study highlight some important suggestions for prevention strategies for preschoolers' behavioral problems. The implications and limitations of this study were further discussed.

• Journal of Korean Society of Transportation
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• v.33 no.6
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• pp.509-519
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• 2015

In spite of the efforts to reduce traffic accidents of commercial vehicles, the number of driving under the influence (DUI) of commercial drivers has been increasing. This study examines the effect of stress coping style of commercial drivers on driving behaviors. Specifically, this research aims to find the role of life stress as a mediator in the relationships between the stress coping style and problematic drinking behaviors. 1308 licensed commercial vehicle drivers participated in this research. Results showed that life stress mediated the relationships between problem focused strategies, wishful thinking strategies, passive avoidance strategies and problematic drinking behaviors. These findings indicate that educating drivers to change their stress coping styles would be helpful to inhibit them from being involved in drunken driving.

• The Journal of the Korea Contents Association
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• v.14 no.7
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• pp.407-426
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• 2014

This study analyzed the effects of situational factors and perceived uncertainty on purchase delay behaviors of internet consumers. The survey was conducted from internet consumers in the Seoul Metropolitan areas, and 394 responses were used in the data analysis. The results of this study were as follows. First, the negative experience and avoid regrets of the situational factors had a positive impact on overall purchase delay. The time pressure, changeability about purchase, negative experience and avoid regrets had a positive impact on payment stage delay. Also, the time pressure, negative experience and avoid regrets had a positive impact on shopping cart abandonment. Second, all factors of perceived uncertainty had a positive impact on overall purchase delay and payment stage delay. In addition, the information uncertainty and psychological uncertainty had a positive impact on shopping cart abandonment. Therefore, this study is contributing to the diversification of internet study, and it is provide useful information on the customer management and marketing strategy of internet shopping malls.