• Journal of the Korea Convergence Society
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• v.11 no.2
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• pp.281-288
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• 2020

The objective of the study was to identify the structural relationship between adolescent athletes'positive thinking and coping flexibility, burnout. In order to achieve such research goal, male and female athletes'from physical education middle and high schools across the nation were recruited; using a convenience sampling method, a total of 333 samples were selected as the final effective samples. The data went through a goodness-of-fit test for the whole model using SPSS 20.0 and AMOS 20.0 and a hypothesis test. The result is as follows: first, positive thinking was revealed to have significant influence on coping flexibility. second, repertories and flexible a subfactor of coping flexibility, had significant negative (-) effects on burnout, whereas reflective had no significant effects on it. Third, positive thinking was revealed to have no significant influence on burnout. In conclusion, although positive thinking is a variable that is based on internal information, positive thinking did not directly affect psychological burnout, but coping flexibility can be used to prevent burnout.

• Communications of Mathematical Education
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• v.19 no.1 s.21
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• pp.307-307
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• 2005

• Review of KIISC
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• v.25 no.2
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• pp.43-57
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• 2015

국경을 넘나드는 사이버공격에 대한 효과적인 사이버보안 정책 수립을 위한 국가간 협력이 절실하다. 본 논문에서는 우리나라와 지리적으로 맞닿아 있는 중국 및 일본과 우리나라의 침해사고 대응 관련 법, 대응기관, 대응절차 등 국가별 침해사고 대응체계를 비교하고 효과적인 침해사고 대응체계 구축을 위한 초석을 마련하고자 한다. 우리나라 사이버보안 관련 법의 체계성에 중국 및 일본의 사이버보안 관련 정책의 유연성을 접합하고, 사이버보안 컨트롤타워를 성문화함으로써 인터넷 침해사고 대응의 효율성을 높일 수 있을 것이다.

• The Journal of the Korea Contents Association
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• v.12 no.3
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• pp.171-180
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• 2012

The purpose of this study is to analyze the relationship between the self-leadership and the cognitive flexibility of the university students who are majoring in dance to provide useful information in the field of dance instruction. Participants were the students majoring in dance who are enrolled in the dance department of the four-year universities nationwide and 282 data have been used for the final analysis. The analytical method for verification of hypothesis was multiple regression analysis to be performed at a significance level of ${\alpha}$=.05. As the result, the following conclusions have been gained. First, the constructive thinking pattern among the sub-factors of self-leadership had a positive influence on the flexibility of preferred varieties which is a sub-factor of cognitive flexibility. However, the behavior-oriented and natural reward self-leadership did not have influence on the diversity preferred flexibility. Second, the natural reward and constructive thinking pattern among the sub-factors of self-leadership have positive influence on the flexibility of preferred complexity which is a sub-factor of cognitive flexibility while the constructive thinking pattern flexibility was shown as exercising a very powerful influence. But the behavior-oriented self-leadership did not have influence on the flexibility of preferred complexity.

• Communications of Mathematical Education
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• v.15
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• pp.153-159
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• 2003

수학 학습의 목표를 수학적 사고력의 신장이라는 측면에서 보았을 때 이를 위하여 문제에 대한 다양한 해법을 찾는 활동은 중요하다. 문제에 대한 다양한 접근은 문제해결의 전략을 학습시키고 사고의 유연성을 길러줄 수 있는 방법이 된다. 문제에 대한 다양한 해법을 찾는 과정에서 이미 알고 있는 지식이 어떻게 응용되는지를 알게 된다. 특히 기하 문제에 대한 다양한 접근은 문제해결의 전략을 학습시킬 수 있는 좋은 예가 된다. 본고에서는 문제해결을 통한 수학적 일반성을 발견하기 위한 방법으로서 문제에 대한 다양한 해법을 연역과 귀납에 의하여 일반화하는 과정을 탐색하고자 한다. 특히 수학 문제에 대한 다양한 해법을 찾는 것은 문제해결 전략으로서 뿐만 아니라 창의적 사고의 신장 측면에서 시사점을 던져준다.

• 건강소식
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• v.38 no.2
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• pp.24-25
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• 2014

겨울은 다른 계절에 비해 낙상사고로 인한 골절의 위험이 높다. 활동량이 줄고 근육이나 관절 유연성이 떨어져 눈길, 빙판길에서 넘어지면 큰 사고로 이어지기 때문이다. 겨울의 끝자락인 2월이라고 안심하는 건 금물이다. 늦추위 기세가 등등하고, 볕이 잘 들지 않은 곳은 여전히 빙판길로 남아 있는 데다, 가는 겨울을 아쉬워하며 무리하게 스키, 스노보드 등을 즐기다 자칫 방심하면 낙상사고로 이어진다.

• The Mathematical Education
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• v.44 no.1 s.108
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• pp.103-112
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• 2005

This paper is designed to characterize the concept of flexibility of mind and analyze relationship between flexibility of mind and divergent thinking in view of mathematical problem solving. This study shows that flexibility of mind is characterized by two constructs, ability to overcome fixed mind in stage of problem understanding and ability to shift a viewpoint in stage of problem solving process, Through the analysis of writing test, we come to the conclusion that students who overcome fixed mind surpass others in divergent thinking and so do students who are able to shift a viewpoint.

• Journal of Educational Research in Mathematics
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• v.26 no.1
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• pp.1-22
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• 2016

This study aims to design an exemplification task to facilitate the students' creative thinking, and to investigate mathematical creativity which emerges from exemplification. In particular, we aim to identify the ways to design exemplification tasks which encourage creative thinking, and characterize mathematical creativity fostered by exemplification. The findings showed that the students' creative thinking related to fluency, flexibility, elaboration, and originality emerged through exemplification.

• Korean System Dynamics Review
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• v.4 no.1
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• pp.55-68
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• 2003

1960년대 이후 서양에서 발전된 시스템 사고는 동양 사고와는 상이한 사고 체계로 받아들여져 왔다. 피드백 시스템에 초점을 두는 시스템 사고는 오히려 전통적인 동양 사고와 유사하다는 점을 본 논문을 통하여 밝히고자 하였다. 특히 본 논문에서는 노자의 도덕경에서 자신의 행위가 자신에게로 되돌아온다는 순환적 사구 즉 피드백 사고를 발견할 수 있다는 점을 지적하였다. 아울러 동양의 전통적 관점이라고 할 수 있는 음양오행이론 역시 피드백 사고로 해석될 수 있다는 점을 밝히고자 하였다. 본 논문은 이러한 사상적 유사성이야말로 시스템 사고를 동양 사회에 도입할 수 있는 유연한 토대를 제공한다는 점을 지적하였다. 동양사고와 시스템 사고의 유사성이야말로 시스템 사고를 동양 사회에 적용하고 확산시키는데 있어서 지렛대의 역할을 수행할 것이다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.12
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• pp.135-139
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• 2017

The main reason for heat accidents occurring at the after stern tube bearing (STB) is excessive local pressure caused by the deflection of the propulsion shaft due to propeller loads. The probability of a heat accident is increased by the low flexibility of the shaft system in very large crude oil carriers (VLCCs) as the engine power and shaft diameter increase and the distance decreases between the forward and after STBs. This study proposed shaft system with only an after STB and no forward STB for a flexibility acquisition method for a VLCC shaft system under hull deformation. A Hertzian contact condition was applied, which assumes a half-elliptical pressure distribution along the contact width for the calculation of the local squeeze pressure. The propeller loads, heat effect, and hull deflection under engine operating conditions are also considered. The results show that the required design criteria were satisfied by building a partial slope at the white metal, which is the material at the axial contact side in the after STB. This system could reduce building cost by simplification of the shaft system.