• Title/Summary/Keyword: views on science

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Internalization of Constructivistic Science Teaching of Science Teachers Participating in a Collaborative Program Between Teachers and Researchers (교사-연구자간 협력적 연수 프로그램에 참여한 과학 교사의 구성주의적 수업에 대한 내면화 과정)

  • Lee, Eun-Jin;Kim, Chan-Jong;Lee, Sun-Kyung;Jang, Shin-Ho;Kwon, Hong-Jin;Yu, Eun-Jeong
    • Journal of The Korean Association For Science Education
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    • v.27 no.9
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    • pp.854-869
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    • 2007
  • In this study, we investigated secondary science teachers' internalization of constructivistic science teaching who participated in a collaborative program between teachers and researchers designed by researchers according to constructivist views. The program consisted of lecture, workshop, and small group activities. New trends in science education and framework for science teaching were introduced during lectures, and understanding about the framework were deepened by analyzing school science classes recorded during workshops. In small group activities, participating teachers and researchers cooperated to design science lesson plans using science teaching frameworks. Five secondary science teachers participated in collaborative workshops. Collaborative programs were video-taped. Semi-structured interviews were conducted before and after workshops. All data recorded were transcribed and analyzed. In the process of internalization, participating teachers attended on different parts. Various and discernable factors such as there own background, beliefs, values, and school context produced tensions with or facilitated internalization of constructivistic science teaching. Teaching experiences and student understanding affected teachers' lesson planning activities. Teachers also showed different understandings on inquiry, application, and model from the framework, and they interpret those concepts in the framework based on their prior understanding. They perceived that too much content should be dealt within relatively limited time. Therefore, they tended to separate science class into two parts when developing science lessons: explaining science content by lecture and science laboratory as a constructivistic activity. The results of the study provide meaningful implications to the constructivist teacher education and professional development.

Efficient Object Selection Algorithm by Detection of Human Activity (행동 탐지 기반의 효율적인 객체 선택 알고리듬)

  • Park, Wang-Bae;Seo, Yung-Ho;Doo, Kyoung-Soo;Choi, Jong-Soo
    • Journal of the Institute of Electronics Engineers of Korea SP
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    • v.47 no.3
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    • pp.61-69
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    • 2010
  • This paper presents an efficient object selection algorithm by analyzing and detecting of human activity. Generally, when people point any something, they will put a face on the target direction. Therefore, the direction of the face and fingers and was ordered to be connected to a straight line. At first, in order to detect the moving objects from the input frames, we extract the interesting objects in real time using background subtraction. And the judgment of movement is determined by Principal Component Analysis and a designated time period. When user is motionless, we estimate the user's indication by estimation in relation to vector from the head to the hand. Through experiments using the multiple views, we confirm that the proposed algorithm can estimate the movement and indication of user more efficiently.

Extravasation Injury of Contrast Media in the Neck and Thorax During MDCT Scanning with 3D Image Reformation Findings (CT검사에서 조영제의 혈관외유출에 의한 목 및 흉부 손상의 3차원 재구성 영상)

  • Kweon, Dae-Cheol;Jang, Keun-Jo;Yoo, Beong-Gyu;Lee, Jong-Seok
    • Journal of radiological science and technology
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    • v.30 no.3
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    • pp.281-287
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    • 2007
  • Contrast media may cause tissue injury by extravasation during intravenous automated injection during CT examination. Here, we present a study in which contrast media extravasation was detected and localized in the neck and thorax by three-dimensional(3D) CT data reformation. The CT studies of the extavasation site were performed using a 3D software program with four different display techniques axial, multi planar reformation(MPR), maximum intensity projection(MIP), and volume rendering displays are currently available for reconstructing MDCT data. 3D image reconstructions provide accurate views of high-resolution imaging. This paper introduces extravasation with the MDCT and 3D reformation findings of contrast media extravasation in neck ant thorax. The followed injection of the external jugular vein into an existing intravenous catheter and a large volume of extravasation was demonstrated on by 3D MDCT.

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The Effect of Contrastive Discussion Based on the Historically Debated Concepts of Falling and Horizontal Motion on the Conceptual Change of 7 Year Pupils by Introducing Weightless Context (수평 및 낙하 운동에 대한 과학사적 대립개념의 대비적 토론이 무중력 상황 도입을 통한 중학교 1학년 학생의 개념 변화에 미친 효과)

  • Kim, Jae-Woo;Oh, Won-Kun;Pak, Sung-Jae
    • Journal of The Korean Association For Science Education
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    • v.17 no.1
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    • pp.31-44
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    • 1997
  • One class of grade 7 was chosen as a control group, and the other as an experimental group. The control group watched only a film of motion in weightless situation, but the experimental group had a contrastive discussion before watching the film. In pretest, pupils were given contrasted views between the pre-Galilean and post-Galilean about falling and horizontal motion of bodies, and asked to choose one from two points of view and to write the reason why they choose it. After the pretest, control group students watched the same film as the experimental group did. On the falling problem, the control group ignored the contents of the film or regarded related contents as not related contents. However, through the contrastive discussion, experimental group pupils reconstructed their past vague ideas and noticed the cause of falling which was not perceived by the control group. On the horizontal motion, some in the control group agreed with post-Galilean view points after watching the film. Some of the pupils in the experimental group agreed with the post-Galilean viewpoint after performing the contrastive discussion. However, most of them agreed after watching the film. So we can conclude that the contrastive discussion which helped students to reconstruct their ideas made the difference between the two groups.

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Comparing Nursing Perspective Between BSN and RN-BSN Program Student (4년제 정규과정과 RN-BSN과정 간호학생의 간호관 비교)

  • Paik, Seung-Nam;Cho, Kyoul-Ja
    • Journal of Korean Academy of Nursing Administration
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    • v.10 no.4
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    • pp.417-425
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    • 2004
  • This descriptive survey design study was aimed to investigate nursing students' perspectives of nursing care. One hundred seventeen junior or senior students in BSN program and 131 junior or senior students in RN-BSN program at K University were compared and contrasted in terms of their perspectives on nursing care. Using the instrument developed by Cho Kyoul-Ja and Song Mi-Ryung(1997), the data were collected from April 1st to April 30th in 2003. The findings of the research are as follows. 1. The average perspective score of the RN-BSN students was higher than that of the BSN students. 2. The RN-BSN students reported higher scores than those of the BSN students in perspectives on personal qualification and meanings, and perspectives on scope and function of their nursing care. However, there was no significant difference between the groups in overall nature and domains of nursing care. 3. In terms of the participants' demographic backgrounds such as, grades in the program, religion, history of hospitalization, there was no significant difference between the BSN and RN-BSN groups. 4. No significant difference was found within the RN-BSN group in terms of their nursing perspectives associated with the years of clinical experience. In conclusion, the score of nursing perspectives in RN-BSN student group was higher than that of the BSN students. No other differences were found in this study. The higher nursing perspective score in RN-BSN group is attributed to their clinical experience. Thus, it is suggested that philosophy and value of nursing should be taught early in nursing program in order for nursing students to obtain proper points of views on nursing care. In addition, nursing philosophy, holistic view, and humanistic values should be stressed in continuing education for clinical nurses in order for them to maintain dignitary perspectives in nursing care.

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An Easy-to-Use Three-Dimensional Molecular Visualization and Analysis Program: POSMOL

  • Lee, Sang-Joo;Chung, Hae-Yong;Kim, Kwang S.
    • Bulletin of the Korean Chemical Society
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    • v.25 no.7
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    • pp.1061-1064
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    • 2004
  • Molecular visualization software has the common objective of manipulation and interpretation of data from numerical simulations. They visualize many complicated molecular structures with personal computer and workstation, to help analyze a large quantity of data produced by various computational methods. However, users are often discouraged from using these tools for visualization and analysis due to the difficult and complicated user interface. In this regard, we have developed an easy-to-use three-dimensional molecular visualization and analysis program named POSMOL. This has been developed on the Microsoft Windows platform for the easy and convenient user environment, as a compact program which reads outputs from various computational chemistry software without editing or changing data. The program animates vibration modes which are needed for locating minima and transition states in computational chemistry, draws two and three dimensional (2D and 3D) views of molecular orbitals (including their atomic orbital components and these partial sums) together with molecular systems, measures various geometrical parameters, and edits molecules and molecular structures.

A Study on Web Based Reading Education System for Improving Logical Thinking and Discussion Ability (논리적 사고와 토의력 증진을 위한 웹기반 독서 교육 시스템에 관한 연구)

  • Kim, Yun-Ju;Kim, Hyun-Bae
    • Journal of The Korean Association of Information Education
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    • v.3 no.2
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    • pp.94-102
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    • 2000
  • Reading education has been recognized as being important area in the education. But it has many limitations to achieve education effects, because it is very difficult to process in reality. In these days, traditional education methodology needs to be changed for the development of computer science and network communications. It is also applied at the area of reading education. To achieve educational goal in reading education, students must be able to interchange their views without restrictions of time and space. Through this circumstances, they can improve logical thinking and discussion ability. Therefore we need the reading education system which supports reading actions as well as reading instruction. In this paper, a web based reading education system is designed and implemented to improve logical thinking and discussion ability.

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A Study on the Safety and Performance Test Guideline of Low Intensity Therapeutic Ultrasound Device (저강도 초음파 치료기기의 안전성 및 성능평가 가이드라인 수립을 위한 연구)

  • Kim, Ju-Young;Kim, Jae-Young;Noh, Si-Cheol;Choi, Heung-Ho
    • Journal of Biomedical Engineering Research
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    • v.36 no.5
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    • pp.162-168
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    • 2015
  • In this study, we suggested the performance and safety testing guideline for low intensity pulsed ultrasound (LIPUS) represented by the ultrasound fracture treatment device and cartilage treatment device and low intensity focused ultrasound (LIFU) represented by ultrasonic face lifting device. For these study, the international standards and management regulations of Korea, Japan and United State were analyzed. And the usefulness and applicability were evaluated by testing with commercial equipment and reflecting the views of the industry and experts. As a result of this study, the safety and performance test guidelines for low intensity therapeutic ultrasound device were proposed by presenting the 10 items for LIPUS and 12 items for LIFU. The suggested guidelines are considered a high utilization in the domestic testing and approval authorities. And they are also thought to be useful to new technology development.

Formation and System of the Ancient Indian Medicine(AYURVEDA) (고대인도의학(古代印度醫學)(AYURVEDA)의 형성(形成)과 체계(體系))

  • Park, Jong Woon;Park, Chan Kuk
    • Journal of Korean Medical classics
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    • v.11 no.1
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    • pp.516-674
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    • 1998
  • Ancient Indian medicine, Ayulveda that had been developed during the period from 1500B.C. to 1000A.D. was a part of Atharva Veda in Vedas, ancient religious literature. Ayurveda accumulated wisdom of life from time immemorial presents that an individual entity is required to live in harmony with nature or universe according to its constitution. Ayurveda is the medical science that grasps individual constitution through Tridosha, a combination of five primary elements(space, wind, fire, water, and earth), and systemetically explains physiological and pathological phenomena which reveal according to the constitution. In Ayurveda, diseases are classfied by various diagnostic methods, and the state of sound body, mind and spirit is maintained by several unique theraphies and regimens. Ayurveda has (once) been developed in the form of monk medicine since it was transmitted as the buddistic medicine in China and Korea. It has a lot of similarities to the oriental medicine that systematizes the theory of holistic idea on the basis that the human body is a small universe corresponding to nature. The oriental medicine and Ayurveda, two main axes of the oriental medicine arouse western medical schools' interest by their perculiar views of the disease and the system of their medical theories. And they are expected to render services to human health.

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Alternative Views on Health Care Utilization (보건사업이용에 관한 여러 가지 견해)

  • Suh, Kitack
    • Journal of Korean Academy of Nursing
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    • v.12 no.1
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    • pp.53-66
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    • 1982
  • 본문은 보건사업이용문제를 취급한 국내외의 문헌을 조사하여 사회인구학적. 경제적, 사회문화적(사회심리학적, 조직적 그리고 사회제도적)인 입장에서 보건사업이용문제를 어떻게 설명하는가를 보고저 했다. 사회인구학적 측면에서 볼 때 연령, 성별, 교육수준, 결혼관계, 직업별, 종교, 거주지, 가족의 크기 가족구성등의 요인들이 일면외 연구중에서 정도를 달리하며 보건사업이용에 영향을 미치고 있음이 밝혀지고 있다. 경제적 입장에서는 가구수입, 의료비, 의료보험비와 경제적지위에 관한 다른 여러가지 요인들이 직접적으로 보건사업활용행위에 영향을 주고 있으며 사회문화적 입장에서 생각할 때 보건사업이용행위는 사회계급과 문화적 가치, 인종적차이와 의료적 태도의 상이에 따라 크게 좌우되고 있음을 보여주고 사회심리학적으로서는 보건에 관한, 태도, 믿음 및 지식과 지병으로부터 오는 정신적 압박감과 환자와 의사간의 상호작용등의 요인들이 보건사업이용과 어떠한 상관관계를 가지느냐에 그의 초점을 두는 바 이러한 주요인들이 다소나마 보건사업이용행위에 영향을 가하고 있음을 관계문헌은 말해주고 있다. 조직적 견해로서는 보건사업구조의 어떠한 조직적 변화는 보건사업이용행위에 영향을 준다는 것을 전제하고 있으며 사회제도적 입장에서는 한 개인은 여러 요소들이 상호관계되어 있는 한 제도의 일부요소로 보고한 개인의 보건사업이용행위가 다른 관계된 요소들에 비해서 어떻게 영향을 받고 있는가를 밝히려 하고 있다. 끝으로 보건사업이용에 관한 조사연구자들은 이상에서 말한 여러가지 견해의 접근방법중 단순히 한가지 접근방법만을 접하지 않고 있으며 앞으로도 더욱 종합적인 접근방법에 의해서 보건사업이용에 관한 연구가 이루워 질 때 보다 의미 있는 결과를 얻을 수 있을 것이다.

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