• Journal of Korean Elementary Science Education
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• v.41 no.1
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• pp.30-43
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• 2022

In this study, elementary students' science communication competence was investigated based on the grammatical features expressed in their language-use in classroom discourse and science writings. The classes were designed to integrate the evidence-based reasoning framework and traditional learning cycle and were conducted on fifth graders in an elementary school. Eight elementary students' discourse data and writings were analyzed using lexico-grammatical resource analysis, which examined the discourse text's content and logical relations. The results revealed that the student language used in analyzing data, interpreting evidence, or constructing explanations did not precisely conform to the grammatical features in science language use. However, they provided examples of grammatical metaphors by nominalizing observed events in the classroom discourses and those of causal relations in their writings. Thus, elementary students can use science language grammatically from science language-use experiences through listening to a teacher's instructional discourses or recognizing the grammatical structures of science texts in workbooks. The opportunities in which elementary students experience the language-use model in science learning need to be offered to understand the appropriate language use in the epistemic context of evidence-based reasoning and learn literacy skills in science.

• Proceedings of the KSMRM Conference
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• 2001.11a
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• pp.101-101
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• 2001

목적： 침에 의한 진통 기전은 동양에서 경험이나 임상적으로 그 효능이 입증되어 왔으나 서양에서 요구하는 과학적인 접근 방법에 의한 증거가 매우 희박하며, 과학적인 접근이 매우 어려웠다. fMRI를 이용하여 뇌의 기능 영상을 관측함으로 그 증거를 제시하고자 한다. 대상 및 방법： 집게손가락에 특정시간동안 온도에 의한 자극을 주면서 기능적 뇌 영상을 받고 침 자극 전후의 활성 영역을 비교함으로써 침이 통증의 진통 기전에 효과가 있음을 보여 준다. 신뢰성 있는 데이터를 위해 여러 명의 영상을 평균하여 잡음을 제거하였다.

• Convergence Security Journal
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• v.22 no.5
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• pp.21-35
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• 2022

The use of digital information according to the development of information and communication technology and the 4th industrial revolution is continuously increasing and diversifying, and in proportion to this, crimes using digital information are also increasing. However, there are few cases of establishing an environment for processing and analysis of digital evidence in Korea. The budget allocated for each organization is different and the digital forensics laboratory built without solving the chronic problem of securing space has a problem in that there is no standard that can be referenced from the initial configuration stage. Based on this awareness of the problem, this thesis conducted an exploratory study focusing on tools and equipment necessary for building a digital forensics laboratory. As a research method, focus group interviews were conducted with 15 experts with extensive practical experience in the digital forensic laboratory or digital forensics field and experts' opinions were collected on the following 9 areas: network configuration, analyst computer, personal tools·equipment, imaging devices, dedicated software, open source software, common tools/equipment, accessories, and other considerations. As a result, a list of tools and equipment for digital forensic laboratories was derived.

• Monthly Korean Chicken
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• v.14 no.10
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• pp.128-133
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• 2008

• Agrochemical news magazine
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• v.19 no.5 s.146
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• pp.20-21
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• 1998

• Journal of The Korean Association For Science Education
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• v.18 no.3
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• pp.283-296
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• 1998

This study was to identify middle school and college of education students' preconceptions about dielectric polarization and explore the students' reponses on the supporting or conflictual evidences on their preconceptions by letting them observe the demonstrations using electroscope, charged material, six conductor rods and six insulator rods. Letting students select the demonstrations to be observed by themselves, students' evidence selection types were classified as two : to select the evidences to testify their uncertain preconceptions, and to obtain the confirmation evidences about their preconceptions. And each evidence selection types, again, could be subclassified as three and two respectively. When students observed the conflictual observations, all accepted the observation itself. For supporting observational evidences, almost of all students showed the error of 'acceptance of antecedent' in the syllogism, that is, they did not required the succeeding supporting observations. Students' reponses on the conflictual observational evidences were classified as two: to reject the hard core of preconceptions, and to modify the students' auxiliary ideas related to the hard core with preserving the hard core. The first type reponses were, again, could be classified as three subtypes but, in all cases, students introduced new concept to explain the conflictual evidences. This responses indicated that Lakatosian rather than Popperian view is more acceptable to understand the students' reponses on the conflictual evidences. The second type reponses also were classified as three subtypes, and it was found that more middle school students than college education students were involved in this second type. That is, students who did not have perfect understanding of auxiliary ideas related with the hard core of preconceptions were more apt to change or modify theses auxiliary ideas rather than reject the hard core, this means that the quality of understanding of auxiliary ideas also take an important role in the change of hard core concept.

• Journal of The Korean Association For Science Education
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• v.35 no.4
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• pp.599-608
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• 2015

This study aims to explore the characteristics of student inquiry found in project-based science practices. The participants were four high school students in a science research club and worked their own project for one semester. During the project, they made their research questions, planned and executed their research procedures, and made their own conclusion. Their activities during the project were videotaped and recorded. They were also interviewed. Group worksheets and written reports were all collected for analyses. The whole processes of the inquiry were analyzed and interpreted qualitatively. The characteristics of student inquiry were presented in the view of the theory-evidence-method coordination. Three different modes of the coordinations that were found recursively in their inquiry were the theory-evidence coordination, the evidence-method coordination, and the theory-evidence-method coordination. It was also revealed that students' tacit knowledge using various tools were exhibited and these skills improved during their group works. The implications for school science inquiry education and research based on this study are discussed.

• Convergence Security Journal
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• v.14 no.6_2
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• pp.25-33
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• 2014

Arrest effect of CCTV for crime prevention is very important. CCTV for crime prevention is evaluated as the tools that act efficiently in terms of criminal arrest because CCTV is used later as evidence acting as the eyes of the distance in deserted place. Necessity of CCTV is increasing gradually because of the advantages that obtaining evidence and criminal found arrest is easy. But quality of CCTV is bad and Night Recording is poor. So it is necessary to improve quality of CCTV and Night Recording should be possible for using as crime clues and evidence. In addition, through integrated building control systems of CCTV for crime prevention and extension of retention period it is possible to easily obtain a evidence.

• The Journal of the Korea institute of electronic communication sciences
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• v.13 no.1
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• pp.163-168
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• 2018

With the advent of the fourth industrial revolution era, the use of drone has been progressing rapidly in various fields. Now the drones will be used extensively in the area of investigation. Until now the criminal photographs stayed in 2D digital images, it would be possible to reproduce not only 3D images but also make a crime scene with 3D printer. Firstly, the video images taken by the investigation agency using the drones are digital image evidence, and the requirements for securing the evidence capability are not different from the conditions for obtaining the proof of digital evidence. However, when the drones become a new area of scientific investigation, it is essential to systematize the authenticity of the images taken by the drones so that they can be used as evidence. In this paper, I propose a method to secure the evidence capability of digital images taken by drone.

• The Korean Publising Journal, Monthly
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• s.252
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• pp.14-14
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• 1999

고대문명에 대한 관심이 어느때보다 높다. '잊혀진' 고대문명의 운명이 세기말을 맞는 인류의 불안을 자극하기 때문이다. 최근 나온 책들은 전문학자의 치밀한 연구와 과학적 증거로 고대 역사를 복원하고 있다.