• Journal of The Korean Association For Science Education
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• v.28 no.5
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• pp.424-437
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• 2008

In this study, we collected teachers' opinions with regard to the effects of the instruction using analogy generation, the disadvantages of the instruction, the problem-solving methods of the instruction, and the teacher's role in it, and accordingly tried to investigate its effectiveness with the analysis of students' academic achievements and motivation, and through the student's interview, after applying the activities of creating generated analogies, finding the difference between the objects and comparisons, and presenting new-known genetics concepts as the students themselves generated analogies. As a result of a teachers' workshop on instruction using analogy development, it was expected to have a positive effect on students' understanding of scientific concepts in genetics, which were found to be difficult for students to understand in learning biology. Students found analogy examples for concepts in genetics in daily life, compared their analogs to those of peers, and examined inconsistencies between targets and analogs through the process of discussion, which finally led to their correct perception of scientific concepts in genetics. In addition, instruction using student-generated analogies proved to have a more positive effect on improving academic achievement and motivating learning, compared with traditional expository instruction.

• Journal of Convergence for Information Technology
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• v.10 no.1
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• pp.149-157
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• 2020

This study aimed to explore the change of engineering students' competencies through the havruta class. In the havruta class, engineering students' competencies were compared with pre-test and post-test. The research tool was developed by selecting learning readiness, academic self-efficacy, and communication ability as the learner's competence in the havruta class. Finally, 105 data were analyzed with SPSS 21.0 for windows. First, there was a statistically significant difference in learning readiness. Second, there was no statistically significant difference in academic self-efficacy. Third, there was a statistically significant difference in communication ability. It was found that there was a positive change of competencies in learning readiness ability and communication ability in the havruta class. Although the findings are difficult to generalize to all majors, these results will be a useful basis for instructors who want to apply the havruta class.

• Journal of The Korean Association For Science Education
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• v.18 no.3
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• pp.261-271
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• 1998

This study investigated the influences of applying the Cognitive Conflict Process Model (the Procedural Teaching Model using Cognitive Conflict Strategy: Kwon, 1989) upon students' achievement and attitudes in a middle school science concept instruction. For the treatment group, science instruction to apply the Cognitive Conflict Process Model was used. For the control group, traditional instruction was used. Prior to instruction, students' pre-conceptions test and attitudes test related to the science were administered. After instruction, the above two tests and the regular examinations were measured. Also students' perceptions of their teacher's new teaching style was investigated by questionnaire. But, above all, the main purpose of this study was to investigate the principal accompanying matters of general application of the teaching model to science concept instruction rather than conceptual and attitudinal change. Therefore, this study identified necessary conditions of applying the teaching model to science instruction.

• Journal of Technology Innovation
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• v.18 no.1
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• pp.21-51
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• 2010

This paper examines the knowledge transfer effect in Korean venture systems. Existing literature has provided rich evidence of the effect of knowledge transfer, but we do not have micro mechanisms inherent in the process of knowledge transfer. This paper argues that knowledge transfer effects vary depending on the knowledge types, sources, and legacy. This paper also tests role of the two important pillars in knowledge transfer of Korean venture startups; venture capital and government. This paper also examines the role of absorptive capacity in the knowledge transfer process. With 1,862 sample of Korean venture firms, this study employed three methods depending on 3 different types of dependent variables: hierarchical regression, logistic regression, and survival analysis. Main findings include that 1) knowledge characteristic itself and its alignment with industry influence the knowledge transfer effects, 2) government support has a negative effect on financial performance of venture firms, but does not have significant interaction effect on knowledge transfer, and 3) the absorptive capacity of each firm moderates the knowledge transfer effects. The theoretical and practical implications are discussed.

• The Journal of the Korea Contents Association
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• v.20 no.1
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• pp.573-580
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• 2020

The purpose of this study was to explore and to suggest the effective teaching methods for university students to improve their speaking abilities through peer assessment-feedback and self assessment-feedback based presentation and debate class. The objects and content of the study were the students who took a class "Reading and Communication" of H university, and here examine closely the speaking activities and their effects during the integrated activities of 'reading, speaking and writing'. In speaking education peer and self assessment feedback is to form an emotional consensus among the students and encourage active participation, and enable self-discovery and communication learning to students. As a result of the study, it was found that the variety speaking practice had a very positive effect on the attitude of speaking and the psychological aspect, and it was confirmed that the evaluation and feedback activities had a meaningful learning effect on the students. Effective speech education and guidance measures should be continuously studied and developed.

• Journal of Convergence for Information Technology
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• v.9 no.6
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• pp.164-174
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• 2019

This study aimed to analyze the effectiveness of the experiences of the global start-up education program. With 10 study subjects selected from 'Eklya Global Entrepreneurship Camp' among global education programs in K University, pre- and post-survey and FGI were conducted. The collected surveys were analyzed by SPSS (24.0) and FGI. The results of this study are as follows: First, According to a comparison of the average score of the global start-up education program experience pre-post, 3.1 points showed that the program affected students' start-ups. Second, in the interviews conducted after the program participation, it was shown that detailed planning for their global start-ups, systematic education on finance, improved self-confidence for start-ups, and discussion-based education influenced their start-ups. Finally, this study expects that the comparative analysis of the college students participating in entrepreneurship education would lay the basis for more effective global entrepreneurship education in the future.

• The Journal of the Korea Contents Association
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• v.9 no.1
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• pp.465-474
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• 2009

The emergence of the digital age has changed the paradigm of education. Recently, the new paradigm needs new digital books that contain more interactive contents. Our goal is to design the digital textbook with convenient interfaces and cutting effects for interactive and effective education. To achieve these goals, we propose interfaces and contents which are designed after a lot of discussion with educational experts. In the implementation step, cutting algorithm is proposed to generate the cut planes of the 3D objects, based on the free strokes specified by the users. In order to test the performance of the contents, the testbed was implemented so that students try our digital book and present their evaluation results on the convenience and the effectiveness.

• The Journal of the Korea Contents Association
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• v.18 no.9
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• pp.231-239
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• 2018

This study will analyze the meaning and the characteristic of advertising system in Facebook, one of the leading social platforms. This study focuses on finding the trend of mobile advertisement and observing Facebook users behavior. During 30seconds, the researcher observed the behaviors of 50 male and female university students which they access and use their own Facebook individually. After the observation, the researcher did an in-depth analysis based on offline discussion with tested participants. As a result, it can be classified in positive causes and negative causes of the advertisement. There are 3 positive causes; native advertisement effect, acquaintance effect, and big data effect and they help people watch the advertisement positively. 1.5-3 times per second high speed scroll behavior (Finger effect) is the main negative cause and it help users escape from the advertisement easily. These positive and negative causes have an interactive synergy which reduces user stress and makes people enjoy ad more than other media. Finally, both of them cause making Facebook a better environment for the advertisement.

• The Proceeding of the Korean Institute of Electromagnetic Engineering and Science
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• v.12 no.2
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• pp.62-70
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• 2001

우리 나라 인구의 절반 정도에 해당하는 수의 이동통신 전화가 사용되고 있다. 이동 전화 사용자의 수는 앞으로 더욱 증가할 것이며, 또한 이를 이용한 각종 정보의 교환이 늘어남으로써 개인당 사용량도 늘어날 것으로 생각된다. 사용빈도의 증가와 더불어 이동전화에 의한 뇌종양, 유방암 및 기형 등 각종 인체 질환 발생 가능성에 대한 우려가 늘어나고 있다. 이러한 이동통신 주파수 대역 전자파는 크게 이미 잘 알려진 전자기장이나 자외선, 방사선 등과 인체에 대한 효과가 비슷할 것이라고 생각할 수 있다. 물론 이들은 주파수 대역이 전혀 다르며 이에 따라 서로 다른 물리적 성질을 가지고 있다. 단순히 보유하고 있는 에너지의 크기만으로 비교할 수 있는 것이 아닌 것이다. 그럼에도 불구하고 자외선이나 방사선처럼 전자파도 인체 질환을 유도할 것으로 생각하고 있다. 전자통신제품 사용의 증가에 따라 전자파에 대한 생체 영향에 대한 연구결과들이 발표되고 있다. 특히 이동통신 사용에 따라 암발생이 증가하고 기형이 발생할 수 있다는 역학 및 생물학 연구 결과들이 있었다. 하지만 이 보다 더 많은 수의 논문들이 전자파와 종양 발생이 관련 없다고 얘기하고 있다. 이에 대한 논란은 더 많은 연구와 토론이 필요할 것이다. 정확한 이동전화 주파수대역 전자파가 생체에서 어떻게 작용하는지 알기 위해서는 전자파 자체의 생물리학적 작용기전에 대한 이해가 필요하다. 전자파에 대한 인체 영향을 정확히 분석하기 위해서는 DNA나 단백질 같은 분자수준에서 세포나 실험동물에서 어떤 변화가 발생하는지 분석하는 것이 필요하다. 세포 수준의 연구는 전자파와 한 종류의 세포의 관계를 직접 분석할 수 있다. 세포내에서 DNA나 단백질의 변화는 바로 조직 및 장기내에서의 변화를 의미한다. 하지만 생체내에서는 하나의 세포가 외부 자극에 반응하는 것보다 면역계, 신경계 및 순환계 등 타 장기나 세포의 영향이 존재하는 상황이다. 따라서 세포 수준에서 전자파만의 효과를 장기나 개체내에서 분석하는 전자파에 의한 종양발생 관계를 더 정확히 알 수 있을 것이다. 전자파 중에서 이동전화 주파수 대역에 대한 생체 연구는 많지 않으나 이들로부터 이 주파수 대역의 전자파에 대한 생체 영향 평가 자료를 많이 모을 수 있다. 이러한 자료를 이용하면 핸드폰과 전자파에 대한 위해성 평가를 할 수 있다. 앞으로 다양한 수준에서 생체 영향을 분석함으로써 전자파 노출에 대한 효과를 알 수 있을 것이다.

• Archives of design research
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• v.14 no.2
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• pp.155-162
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• 2001

Recently, as the increase of internet users and the needs of the new educational paradigm, many educational institutions go into the cyberspace system. Especially, it is increase that the cooperative extension for supplying the degree and the remote lectures in the university itself. Mostly those lectures have the form of discussion with theoretical course in the center. It is needed to the development of educational tools for the other courses. The cyber education systems are due to be developed more and more. So we should consider the effective usage of recent techniques like this. Accordingly, I'd like to say what is the method of using effectively the cyber communication. It would be considered about the part of cyber communications and the educational effects that has classified into three parts: the cyber communication as a educational medium, the communication for the cooperative studies, and the theological background of the cyberspace communication. Moreover it is proposed the two parts of the effective study directions; the constitution of the community study, and the effective study factors.