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      • KCI등재

        귀인 훈련이 경도 정신지체아동의 무력감과 학업성취 및 태도에 미치는 효과

        여광응,구유미,이정현,김선미 한국특수교육문제연구소 2001 특수교육저널 : 이론과 실천 Vol.2 No.1

        이 연구의 목적은 경도 정신지체아동의 학습된 무력감을 감소시키기 위하여 체계적인 귀인훈련를 적용함으로써 학업성취능력과 학습태도 개선에 미치는 영향을 밝히는데 있다. 연구대상은 개인용 지능검사 결과 IQ 60-75사이이고 초등학교 특수학급에서 시간제 특수교육을 받고 있는 이동 3 명으로서 신체 및 언어장애와 같은 심한 장애가 없는 아동이다. 연구결과, 귀인훈련이 오랜 학교학습상황에서 겪게 된 학습의 실패상황에서 실패원인을 「능력」에 귀인하는 아동을 「노력」 에 귀인하도록 힘으로써 아동의 「학습된 무력감」 를 감소시키는데 효과적임이 밝려졌다. 즉,뺄셈학습과제의 수행속도가 귀인훈련 후 빨라졌으며 과제에 대한 흥미도 많이 증가하였다. 또한 귀인훈련이 경도 정신지체 아동의 학습태도를 개선하였다. 귀인훈련 후 아동의 실패과제에 대한 지속시간이 많이 늘어났으며, 아울러 실패과제에 대한 불안행동이 많이 감소하였고, 주의집중이 향상되며 학습태도가 바람직히게 변화된 것으로 나타났다. 이 결과는 귀인훈련을 통해 경도 정신지체아동의 학업성취도와 학습태도에 긍정적인 변화를 가져올 수 있음이 확인되었다. The purpose of the present study is to investigate how systematic atributional training affects leaming achievements and leaming attitudes for the children with mild mental retardation through decreasing their feelings of learned helplessness. For the study, three children with mental retardation, whose 1Qs range from 60 to 75, were selected from those who were enrolled at special classes of elementary schools. They do not have physical handicapped and language problems. The procedure applied to this study focused on the changes the reason for the learning failure from "their ability" to "their lack of effort".

      • 중수화를 위한 우수처리에 관한 연구

        정병길,김미향,박성현,박광현,성낙창 東亞大學校 建設技術硏究所 2005 硏究論文集 Vol.28 No.2

        The objectives of this study are to evaluate the pH neutralization and NO_(3)^(-), SO_(4)^(2-) adsorption according to the quantity of acid rain, particle diameter and packing height of oyster shells. Acid rain is mainly of anthropogenic origin due to the strong presence of SO_(2) and NOx gases in the atmosphere. Acid rain causes environmental damages, such as lake acidification, negative effects on the vegetation, in particular forests, changes in the chemical composition of solids and in metal mobility. Neutralization of artificial acid rain was enhanced by smaller particle diameter of powdered oyster shells and larger reaction area of packed column. At the initial 12 hours of reaction time, the pH of acid rain increased rapidly. pH neutralization was appeared the highest at the 48 hours of reaction time. The removal of NO_(3)^(-) was observed and the R3 reactor showed highest efficiency of 27.8%. But, SO_(4)^(2-) removal did not observed in this study.

      • KCI등재
      • MANET 라우팅 프로토콜 QoS 지원서비스의 성능평가에 관한 연구

        鄭燦赫,金鉉郁,李光培,姜景仁,朴京培,劉忠烈,吳世德,裵振勝,趙榮泰 明知大學校 産業技術硏究所 2004 産業技術硏究所論文集 Vol.23 No.-

        In this paper, we evaluated two main QoS supporting routing protocol on wireless ad hoc network. At presence, wireless mobile communication focuses on how to efficiently support mobility of users more than QoS guarantee. However, in order to satisfy requirement of various applications which have been or will be served, QoS support service between source and destination becoming a very important issue. Of all routing protocols, DSR and AODV are very important routing protocol in MANET. So we simulated DSR and AODV QoS Routing Protocol Through simulation evaluation tool NS(Network Simulation) based on various environments.

      • KCI등재
      • GMAHN 환경에 적응하는 에러 복구기능을 이용한 AODV 라우팅 프로토콜

        정찬혁,오세덕,배진승,이기원,장양근,이광배,김현욱,유충렬,하재승 明知大學校 産業技術硏究所 2006 産業技術硏究所論文集 Vol.25 No.-

        Mobile nodes in ad hoc mobile networks typically communicate over wireless channels and are capable of movement. These are networks that support multihop communication and can be formed on a temporary basis. This paper proposes a solution that allows mobile nodes to access the wired Internet and to roam from base station to base station. And we also develop the efficient method that adapts in Global MANET which can be changed over time. It is observed that we can reduce not only error detection time but also network load, thus increasing the data reception rate in Global MANET Environment.

      • 라이프스타일에 따른 여가동기와 여가생활 만족에 관한 연구

        정광현,이재형 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.2

        This study is based on the investigation of members of the college clubs related to leisure activities and people who are working out in sports centers. In Busan, Kyung-nam, and Kyung-ju to inquire into the relation between the leisure motivation according to their life-style and satisfaction of their leisure life; to draw up some alternative for improving the quality of the leisure service industry; and to offer some fundamental data to improve the quality of life and productivity, putting spare time from the law of working 5 days a week to practical use efficiently and aggressively after the operation of the system which people work 5 days a week. The first, the leisure motivation from several types of people's life-style which affect the improvement of individual are achievement pursuit type, knowledge pursuit type, satisfaction pursuit type, safety pursuit type, health pursuit type and so on. The variables to affect self-discovery are showing-off type, health pursuit type, knowledge pursuit type. The variables to affect the purpose of healing and health appear safety pursuit type, satisfaction pursuit type, and showing-off type; the variables to have influence on sociality are satisfaction pursuit type, safety pursuit type, achievement pursuit type, showing-off type, knowledge pursuit type and so on. The second, the satisfaction about leisure life related to different types of life style is in accordance with safety pursuit type, satisfaction pursuit type, health pursuit type, achievement pursuit type, knowledge pursuit type, showing-off type. The third, the satisfaction about spending the leisure time related to the leisure motivation is under the influence of sociality, purpose of healing and health, improvement of individual, self-discovery.

      • 온실재배와 노지재배한 금산 깻잎의 품질 특성과 향기성분

        현광욱,구교철,장정호,이재곤,김미리,이종수 한국식품저장유통학회 ( 구 한국농산물저장유통학회 ) 2004 한국식품저장유통학회지 Vol.11 No.1

        깻잎을 이용한 건강 식품을 개발하고자 먼저 깻잎의 주산지인 금산에서 5월 온실재배한 깻잎과 8월 노지재배한 깻잎들의 품질특성과 향기성분을 조사하였다. 시료깻잎 모두 4.0%의 조단백질과 0.8%의 조지방을 함유하고 있었고, 플라보노이드의 함량은 온실재배 깻잎 25.2%, 노지재배 깻잎 26.5%로 시료깻잎간에 큰 차이는 나타나지 않았으며 조사포닌 함량도 2,7%와 2,8%로 비슷하였다. 시료깻잎의 효소 활성은 오직 알칼리성 단백질 분해효소 활성만이 8월 노지재배 깻잎에서만 물 추출물 7.1 unit, 에탄올 추출불 11.8 unit을 보였고 기타 효소 활성은 없었다. 8월 노지재배 깻잎의 조직감 특성으로 먼저 견고성과 탄력성 등은 잎의 상층부와 중층부 보다 잎받침을 포함하는 하층부에서 높았고 응집성은 하층부가 약간 약하였으며 5월 온실재배 깻잎은 씹힘성이 다서 낮았을 뿐 노지재배 깻잎과 비슷하였다. 5월 온실재배와 8월 노지재배 깻잎에는 1-octen-3-ol, linalool, β-caryorhyllene, α-caryophyllene, α-famesene, perilla ketone, nerolidol, eugenol. α-cadinol 등 14종∼15종의 향기성분을 함유하고 있었고 주요한 향기성분은 perilla ketone 이었다. Quality and flavor compounds of perilla leaves cultivated in greenhouse(May) and field (August) in Geumsan province were investigated and compared. All perilla leaves contained 4.0% crude protein and 0.8% crude lipid. C겨de flavonoid contents of perilla leaves cultivated in greenhouse and field showed 25.2% and 26.5%, respectively and each crude saponin content was cultivated in field. Hardness and chewness of bottom parts of field-perilla leaves were higher than those of top and middle part, whereas the cohesiveness of top parts and middle parts of perilla leaves were higher than that of bottom part. Furthermore, texture properties of greenhouse-perilla leaves were similar with those of field-perilla leaves except chewness. Nine kind of flavor compounds such as 1-octen-3-ol, linalool, β-caryophyllene, α-caryophylene, α-franesene, perilla ketone, nerolidol, eugennl, α-cadinol were identified in greenhouse-perilla and field-perilla leaves, showing that main flavor compound was perilla ketone.

      • KCI등재

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