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- 저자 : 강대일 (검색결과 419 건)
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The purpose of this thesis is easy to aquisition of Korean language proficiency in the language of foreigners learning Korean. The connective ending of a Korean language is the most common among other ending, and in communication situations, various meaning function appear depending on the relationship between sentences and sentences. The ability to correctly use the sentences is essential in order to use the correct and accurate use of Korean language. Connective ending have a variety of meaning function and similar meaning function, such as a different ending, which makes very complex because confusion when the Korean language student are learning the same meaning function and thus learning many mistakes. This feature appears in Korean language textbooks. The texts presented in the textbooks vary in various, and they differ in the functional classification and sequence of teaching. Recently, learners of learning Korean have increased their interest in Korean language, and as a result of increasing demand for Korean language, each school is installing an educational institution for Korean language education. Student learn Korean language by using Korean language education institutes, Korean language textbooks and dictionaries. However, if students learn to use textbooks or textbooks other than those of other teachers, or if they talk to each other, they may experience difficulties in adapting to the education institutes of the learner. Beginner textbook the Korean language is first introduced by Korean learners, it is important. There are not many use and arrangement pattern of Korean language connective ending, and irregular connective ending can confuse the learning ending by Korean language student. It is necessary to unify the confuse of meaning function. I hope that the Korean language will be helpful when Korean student learn the meaning function of easy to acquisition ending by comparing the teaching sequence and the sequence of grammar and presentation of connective ending based on the text of the college textbooks and the Korean dictionaries. In Chapter 2, Based on the Korean dictionaries and grammar books, select the three beginner level ‘-고, -어서, -는데’ highly frequency connective ending, to explore the various aspects of the engagement, and explore the meaning function of the ending and presentation of a connective ending. In Chapter 3, we will review the various chapters selected in Chapter 2, ‘-고,-어서, -는데’ I'll give you a sense of what's going on in beginger level textbooks. Chapter 4 Polysemous Use ‘-고, -어서, -는데. Based on the arrangement set forth in Chapter 2. Based on the sequence of teaching materials analyzed in Chapter 3, will review the meaning function of the meaning function and presentation sequence based on the meaning function of the text and presentation sequence. Chapter 5 will discuss the significance and limitations of the research.
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문제중심학습이 학습자의 자기효능감과 정보통신윤리의 수행에 미치는 효과 : 초등학교 정보통신윤리 교육 사례에서
강대일 漢陽大學校 敎育大學院 2002 국내석사
본 연구의 목적은 초등학교 정보통신윤리 교육에서 문제중심학습과 전통적인 수업방법이 학습자의 자기효능감과 정보통신윤리의 수행에 미치는 효과를 규명하는데 있다. 이러한 연구목적에 따라 본 연구에서 설정한 연구문제는 다음과 같다. 첫째, 초등학교 정보통신윤리교육에서 문제중심학습과 전통적인 수업방법이 학습자의 자기효능감에 미치는 효과에 차이가 있는가? 둘째, 초등학교 정보통신윤리 교육에서 문제중심학습과 전통적인 수업방법이 학습자의 정보통신윤리의 수행에 미치는 효과에 차이가 있는가? 이러한 연구문제를 해결하기 위하여 2002년 10월 21부터 11월 8일까지 3주에 걸쳐 경기도 안양시 H초등학교 6학년 2개 학급(80명, 남자:40명, 여자:40명)을 임의로 1개 반은 실험집단(문제중심학습), 다른 1 개 반은 통제집단(전통적인 수업방법)으로 선정하였으며, 두 집단간의 자기효능감과 정보통신윤리의 수행에 대한 사전검사 통계분석결과 유의미한 차이가 없어 동질집단임이 검증되었다. 두 집단에게는 통합교과(국어, 사회, 도덕, 실과, 재량활동)에서의 정보통신윤리의 교육내용을 도출하여 실험집단에게는 문제중심학습을 통제집단에게는 전통적인 수업방법을 실시하였다. 두 집단에게 초등학교 정보통신윤리교육을 실시한 후 종속변인인 자기효능감를 측정하기 위하여 이경숙(2000)이 개발한 자기효능감 측정문항을 정보통신윤리교육의 특성에 맞게 재구성하여 10개 문항으로 만들어 작성하였으며, 정보통신윤리의 수행을 측정하기 위해서 두 집단에게 각각의 홈페이지를 제작하여 학습자들이 게시판과 대화방, 방명록, 토론방을 통하여 학습자별로 체크리스트를 작성 점수화하여 측정하였다. 본 연구에서 나타난 결과는 다음과 같다. 첫째, 초등학교 정보통신윤리교육에서 문제중심학습과 전통적인 수업방법이 학습자의 자기효능감에 미치는 효과에 유의미한 차이가 있었다(t=2.72, p<.05). 이것은 문제중심학습이 초등학교 정보통신윤리교육에서 학습자의 자기효능감을 향상시키는데 긍정적인 영향을 미친다는 것을 보여준다. 둘째, 초등학교 정보통신윤리교육에서 문제중심학습과 전통적인 수업방법이 학습자의 정보통신윤리의 수행에 미치는 효과에 유의미한 차이가 있었다(t=2.53, p<.05). 이것은 문제중심학습이 학습자의 정보통신윤리의 수행에 긍정적인 영향을 미친다는 것을 보여준다. 결과적으로 초등학교 정보통신윤리교육에서 문제중심학습이 전통적인 수업방법보다 자기효능감 및 정보통신윤리의 수행을 향상시키는데 효과적이다 라는 결론을 얻을 수 있었다.
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This study aims to systematically evaluate abandonment risk for a main control board (MCB) fire in nuclear power plants (NPPs). To achieve this goal, fire modeling for the MCB fire of the reference NPP using Fire Dynamics Simulator (FDS) was conducted and abandonment probability was estimated. A decision tree was developed and the characteristics of main control room (MCR) and MCB were identified to systematically evaluate the abandonment risk for the MCB fire and to determine fire scenarios for it. Two types of fire scenarios were considered for fire simulations: non-propagating fire scenarios occurring within a single MCB panel and propagating fire scenarios spreading from one control panel to the adjacent panels. Further, the fire scenarios were classified into fires with and without heating, ventilation, and air conditioning system (HVACS). Three MCB panels for the fire simulations were selected as the fire initiation places. The basic fire simulations results showed that the optical density was the major abandonment impact factor for the MCB fire of the reference NPP. The minimum heat release rate (HRR) causing MCR abandonment for the propagating fire was smaller than that for the non-propagating fire. Only the propagating fire contributed to the abandonment risk for the MCB fire of the reference NPP. Compared with the previous industry study results for the reference NPP, the MCB fire risk has decreased by approximately 66%. The previous study did not conduct fire simulations. Consequently, this study shows that the abandonment risk due to the MCB fire of the reference NPP can be reduced using the fire simulations. The sensitivity study results on validations for the basic fire modeling confirmed that the fire modeling approaches used for this study were reasonable. The decision tree for evaluating fire risk proposed in this study can be confirmed that it was appropriately applied to the estimation of abandonment risk for the MCB fire through the basic fire modeling and the sensitivity study on the fire propagation time. For the case where the fire propagation time is ten minutes, only the propagating fire scenario is to be considered for the estimation of abandonment risk for the MCB fire. However, for the case where the fire propagation time is fifteen minutes, both non-propagating and the propagating fire scenarios are to be considered for the estimation of abandonment risk for the MCB fire. The heat release rates used for fire modeling of this study came from NUREG/CR-6850. These are based on expert judgment with few fire experiments. Therefore, more fire experiments are needed to realistically estimate the HRR profiles of the MCB for the fire simulations. In addition, further studies on the development of a fire spread model for the propagating fire within the MCB are needed to reliably estimate the MCB fire risk.
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