• The Journal of the Convergence on Culture Technology
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• v.8 no.1
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• pp.227-238
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• 2022

This study is the case of non-face-to-face teaching-learning in the subject of "Research and Guidance on Early Childhood Materials" in the pre-child teacher training program. The study conducted a non-face-to-face teaching-learning model for 18 students at B University in region C who took lectures on 'Research and Guidance on Early Childhood Materials' in the first semester of 2021. As a non-face-to-face teaching-learning model, it consisted of video lectures, real-time zoom classes, and various forms of 'communication' through frequent feedback and interaction and 'participation'. As a teaching-learning strategy for the participation of pre-service early childhood teachers, comment on questions related to early childhood materials, in-depth reflection on early childhood materials through writing reflective journals and observation reports, and step-by-step presentation of making childhood materials plans, processes, and results were carried out. As a result of exploring the experience of making early childhood materials for pre-service early childhood teachers, factors such as "growth experience through trial and error," "thinking from child's point of view", "Increase efficiency and reduce burden through communication", "Process rather than result" and "The importance of communication and interaction in non-face-to-face classes"

• The Journal of the Convergence on Culture Technology
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• v.8 no.3
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• pp.435-439
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• 2022

Many of the industry was changed because of the pandemic of covid 19. It combined with the tendency of modern people to pursue convenience. The industry of Cosmetics also changed business channel from offline to online. Before, people can not get suggestions after they complete the survey. This paper research how to suggest some cosmetics products with their skin type and skin data. We will develop Beauty Concierge system that can get suggestion after the survey. It's will make people attend activity and can make more benefit to the people.

• The Journal of the Convergence on Culture Technology
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• v.9 no.3
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• pp.385-390
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• 2023

The purpose of this study is to identify the antecedents and consequences of perceived fairness of assessment in an online class, such as Google classroom. Based on an extensive literature review, a research model and research questions were designed. We found that the perceived interactivity of contents and social presence were found to be antecedents of perceived fairness of assessment. Further, perceived fairness of assessment was found to have a substantial influence on class satisfaction and achievement.

• Proceedings of the Korean Society of Computer Information Conference
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• 2022.07a
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• pp.217-218
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• 2022

본 논문에서는 코로나19 팬더믹(pandemic)으로 최근 3년가 비대면 강의가 대부분 이루어졌고, 자연스럽게 비대면 교수법 또한 여러 가지 형태로 시도되어졌다. 게더타운(Gather Town)이라는 온라인 화상회의 공간을 2D게임화 시켜서 세계적인 인기에 힘입어 본교 학생 500명 가까이 활용해 보았고, 이후 국내에서 3D기반의 매타버스 플랫폼 디토랜드(DITO LAND)를 개발하여 본교 학생 300여명의 학생들을 대상으로 실시하여 2D, 3D 기반의 장단점을 파악하게 되었다. 이를 바탕으로 추후 어떠한 방향으로 메타버스 콘텐츠를 활용한 교수법이 더 효과가 있을 것인지 예측하고, 메타버스 콘텐츠 개발자들에게 조금이라도 도움을 주고자 한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2022.11a
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• pp.866-868
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• 2022

비대면 문화가 확대됨에 따라 다양한 산업의 서비스가 메타버스와 접목되어 사람들에게 제공되고 있다. 사회적 고립 등의 문제로 상담에 대한 필요성이 높아지고 있음에 주목하여 Unity를 사용해 비대면 상담이 가능한 메타버스 플랫폼을 개발하였다. 본 논문에서는 자연스러운 아바타의 움직임, 카메라의 이동, Firebase와의 데이터 전달과 Photon 동기화 기능들을 가지는 3D 월드맵의 구현에 필요한 기술들을 포함하였다. 기존에 대면으로 진행되는 상담 서비스를 대체하여 심리 상담에 대한 진입 장벽을 낮추고 접근성을 높이고자 하며, 해당 플랫폼은 여러 비즈니스들과 결합할 수 있음에도 그 의의가 있다고 본다.

• The Journal of the Convergence on Culture Technology
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• v.8 no.5
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• pp.111-119
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• 2022

This study examined the relationship of self-directed learning ability, teaching presence, learning flow and academic achievement of nursing students in non-face-to-face class. Data were collected through self reported structured questionnaire in 146 nursing students from June 19 to 20, 2021. Data were analyzed using SPSS/WIN 23.0. As a result this study, academic achievement was positively correlated with self-directed learning ability, teaching presence and learning flow. As result regression analysis, learning flow, self-directed learning ability and teaching presence explained 67% of the academic achievement in nursing students. Therefore, based on this study it will be more effective to improve academic achievement of instructional design and customized instructional methods that can improve self-directed learning ability, teaching reality and learning commitment are applied together in non-face-to-face classes.

• The Journal of the Convergence on Culture Technology
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• v.8 no.6
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• pp.787-793
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• 2022

After COVID-19, with the emergence of social distancing, non-face-to-face services, and home economics, visiting dining out is rapidly being replaced by non-face-to-face dining out. The purpose of this study is to find ways to create a safe dining culture centered on living quarantine in line with the changing trend of the restaurant industry after the outbreak of COVID-19, establish the direction of food culture improvement projects, and enhance the effectiveness of the project. This study used TEXTOM to collect and refine search frequency, perform TF-IDF analysis, and Ucinet6 programs to implement visualization using NetDraw from January 1, 2018 to October 31, 2019 and December 31, 2021, and identified the network between nodes of key keywords. Finally, clustering between them was performed through Concor analysis. As a result of the study, if you check the frequency of searches before and after COVID-19, it can be seen that the COVID-19 pandemic greatly affects the changes in the restaurant industry.

• Journal of Science Education
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• v.46 no.1
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• pp.40-52
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• 2022

Daily science classes, which have been continued as part of the spread of participatory science culture, has taken the lead in popularizing science as an effective out-of-school experiential and research activity. However, due to the recent COVID-19 situation, daily science classes have also become an environment in which there is no choice but to switch to non-face-to-face or to combine face-to-face and non-face-to-face education. Therefore, in this study, we examine how elementary school students participating in the non-face-to-face daily science class program change their usual fields of interest, perception of science and technology, interest about science, and scientific competency. In addition, the educational effectiveness of the non-face-to-face daily science class improved by comparing the differences in perceptions of students and parents, and future operation plans were sought. As a result of the study, after participating in the non-face-to-face daily science class program, students' interest in science and technology development, future technology, environmental pollution, and social media increased, and their interest in games decreased. Also, students' interest in science and technology activities, interest in science, and scientific competency also increased. This shows that non-face-to-face daily science class education is effective. Therefore, it was suggested that it is necessary to diversify the learning topics and content levels of the daily science class program, to expand the opportunities of non-face-to-face science education for underprivileged learners, and to develop and share science content using the latest media.

• Review of KIISC
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• v.32 no.4
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• pp.33-40
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• 2022

최근 전 세계가 COVID-19 팬데믹을 겪으면서 실세계 속 사회 및 문화 활동이 온라인 등 비대면으로 옮겨지며 비대면 사회활동 및 가치 창출을 위한 메타버스 플랫폼들이 생겨나기 시작하고 이들의 사회적 파급력 및 가치가 높아지고 있다. 메타버스 플랫폼에서 수행되는 사회 및 문화 활동의 가치가 높아짐에 따라 메타버스 플랫폼은 해커에게 '저비용 고효율'적인 공격 대상이 되어 메타버스의 안전성 및 보안성 이슈가 화두가 되고 있다. 본 논문에서는 메타버스 플랫폼을 대표하는 'ZEPETO^TM', 'Roblox^TM', '어스2^TM' 등의 메타버스 플랫폼에서 발생한 보안사고의 공격 지점 및 연관된 공격 체인을 조사하고 메타버스를 구성하고 있는 핵심 시스템 요소에 대한 위협벡터를 도출하였다. 본 연구 수행에서 활용한 방법론은 메타버스 플랫폼뿐만 아니라 신규 소프트웨어 기반 플랫폼이 출시될 때의 위협벡터를 도출하고 그에 따른 보안대책 수립을 위한 활용으로 사용될 수 있다.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2022.11a
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• pp.180-182
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• 2022

최근 팬데믹의 영향으로 비대면 문화가 확산하였다. 온라인 수업의 경우 시간과 공간에 구애받지 않고, 본인이 원하는 강의를 선택함으로써 학습의 질을 향상할 수 있는 장점이 있다. 이에 비대면 문화가 퍼짐에 따라 교육 온라인 수업의 수요와 중요도가 증가하였다. 따라서, 기업이나 교육단체가 가지는 원격 강의 플랫폼 품질의 중요성이 크다. 온라인 학습 플랫폼 구축을 위해서는 미디어 플레이어가 필수적이다. 인터넷에서 보안의 중요성이 대두됨에 따라, 본 논문에서는 다양한 플랫폼에 적용할 수 있는 HLS 프로토콜 기반 미디어 웹 플레이어를 개발하고자 한다.