• ETRI Journal
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• 제28권4호
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• pp.461-474
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• 2006

This project aims to design and develop a prototype for an agent that support online collaborative learning. Online collaborative learning, which has emerged as a new form of education in the knowledge-based society, is regarded as an effective method for improving practical and highly advanced problem-solving abilities. Collaborative learning involves complicated processes, such as organizing teams, setting common goals, performing tasks, and evaluating the outcome of team activities. Thus, a teacher may have difficulty promoting and evaluating the entire process of collaborative learning, and a system may need to be developed to support it. Therefore, to promote interaction among learners in the process of collaborative learning, this study designed an extensible collaborative learning agent (ECOLA) for an online learning environment.

• 한국콘텐츠학회논문지
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• 제21권6호
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• pp.350-358
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• 2021

본 연구는 코로나19 상황에서 발달 장애 학생의 온라인 학습권 실태 분석과 증진 방안 제시를 목적으로 한다. 이를 위해 발달 장애 학생 자녀를 둔 학부모 충북지역 200인을 대상으로 한 설문조사 자료와 학부모 6인이 참여한 FGI 자료를 함께 사용하는 혼합방법론을 적용하였다. 주요 결과로, 가장 시급한 학습보조 제도는 보조인력 지원으로 확인되었고, 재택근무 등으로 자녀를 지원할 수 없는 응답자가 50.5%로 나타났다. FGI 자료 분석결과, '코로나19 온라인 학습 실태', '양육환경을 고려한 비대면 학습환경 개선'의 2가지 범주와 '화상수업 등 교수 방법 다양화', '필요 학습 자원 지원', '상황에 맞는 평가제도 도입', '돌봄 지원 강화', '건강 지원 확대'의 5가지 주제가 도출되었다. 이러한 연구 결과를 토대로 발달 장애 학생 온라인 수업 관련 법적 근거마련 검토, 학습지원 인력 파견 확대, 온라인 학습 환경 증진 대안 마련 등을 제안하였다.

• 한국콘텐츠학회논문지
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• 제22권4호
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• pp.547-557
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• 2022

이 연구에서는 일개 의과대학의 2020학년도 1학기 온라인 수업 만족도를 평가하여 분석 결과 및 온라인 수업 구성 원칙에 따라 수업 환경을 개선하였고, 2학기 수업을 재평가하여 그 결과를 비교하였다. 온라인 수업 평가를 위해 온라인 수업 플랫폼 이용, 학생 참여도, 수업 방식, 수업 내용, 학생 평가, 수업 지원 등의 영역에 대한 만족도 설문 문항을 개발하였고, 1학기에는 학생 223명과 교수 37명, 2학기에는 학생 218명과 교수 49명이 연구대상자로 설문에 응답하였다. 수집한 자료는 기술통계 및 두 종속 표본 t검정으로 분석하여 비교하였다. 연구 결과, 온라인 수업 플랫폼, 수업 방식, 수업 내용, 수업 지원에 대한 학생들의 만족도는 개선 후 전체적으로 긍정적 변화를 보인 것으로 나타났다. 다만, 학생 참여도와 학생 평가 만족도는 개선 후 통계적으로 유의미한 차이를 보이지 않았다. 각 학습시기별 결과를 비교한 결과, 기초 및 임상의학시기 학생들의 만족도는 부정적인 차이를 보였으며, 이는 본격적으로 학습량이 증가하는 학습시기로 학생들의 수업 집중도가 떨어짐을 확인할 수 있었다. 상대적으로 예비의학시기 및 임상실습시기 학생들의 만족도는 긍정적인 변화를 보였다. 연구 결과를 통해 전국 의과대학의 온라인 수업 개선에 의미 있는 기초자료가 될 수 있길 기대한다.

• International Journal of Advanced Culture Technology
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• 제12권3호
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• pp.449-465
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• 2024

This study conducted a systematic literature review using online databases to investigate the effective feedback types that enhance the learning experiences of online students. Feedback is a critical component for learner success. With the expansion of online education, the importance of feedback has become more evident due to the reduced interaction between instructors and learners. Instructors must provide high-quality feedback that motivates learners and supports their educational goals. This involves using automated tools appropriate for the environment and effective feedback strategies to deliver personalized feedback. The literature was gathered through an extensive search process, adhering to predetermined inclusion and exclusion criteria, and included a risk assessment of selected studies, drawing from sources such as Google Scholar, Elsevier, and other Scopus-indexed journals. The review adhered to the guidelines set forth by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Specific keywords related to the study's focus, including "Online learning," "Improving learning," "Learner performance," "Feedback type," and "Feedback," guided the database searches. The protocol for selecting systematic reviews on learning enhancement involved screening articles published from 2013 to 2021 based on their titles and abstracts according to established criteria. Analyzing and studying data on learning patterns in non-face-to-face educational environments can improve learners' needs and educational effectiveness. Selecting the right types of feedback, taking into account the learners' levels and educational objectives, is crucial for providing effective feedback. A variety of feedback types are essential for the continuous improvement of learners' learning.

• 의학교육논단
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• 제24권1호
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• pp.56-62
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• 2022

Despite current regulations requiring social distancing due to coronavirus disease 2019, problem-based learning (PBL) requires student interaction to achieve common goals and enhance critical thinking and deep learning abilities. Social presence in the online education environment reduces both perceptions of physical distance and psychological distance in interactions. This study aimed to compare PBL activities between in-person and videoconferencing classes, and to investigate social presence and learning satisfaction in a videoconferencing PBL environment. The PBL consisted of six modules for both the first and second years of Chonnam National University Medical School. As social distancing was strengthened, the second class of the fifth module in both years was converted to an online format and the fifth module was excluded. The first four PBL modules were conducted as in-person classes, but the last PBL module was administered via videoconferencing. After the final PBL module, 100 (81.3%) first-year medical students and 90 (79.6%) second-year students were asked to complete a self-administered questionnaire on social presence and learning satisfaction. There were no significant differences in the small group activities of tutorial sessions between in-person and videoconferencing classes. In the online videoconferencing class, students who had favorable attitudes toward the tutors' social role and interactions with peers showed high satisfaction with their learning. In conclusion, online videoconferencing allows students to simultaneously perceive their interactions with others and social presence, even at a distance. Tutors can enhance a sense of online community and collaborative learning as facilitators of online PBL.

• International Journal of Computer Science & Network Security
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• 제24권1호
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• pp.209-214
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• 2024

This is an extended research paper focusing on the applications of Machine Learing and Artificial Intelligence in virtual learning environment. The world is moving at a fast pace having the application of Machine Learning (ML) and Artificial Intelligence (AI) in all the major disciplines and the educational sector is also not untouched by its impact especially in an online learning environment. This paper attempts to elaborate on the benefits of ML and AI in E-Learning (EL) in general and explain how King Khalid University (KKU) EL Deanship is making the best of ML and AI in its practices. Also, researchers have focused on the future of ML and AI in any academic program. This research is descriptive in nature; results are based on qualitative analysis done through tools and techniques of EL applied in KKU as an example but the same modus operandi can be implemented by any institution in its EL platform. KKU is using Learning Management Services (LMS) for providing online learning practices and Blackboard (BB) for sharing online learning resources, therefore these tools are considered by the researchers for explaining the results of ML and AI.

• 국제학술발표논문집
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• The 8th International Conference on Construction Engineering and Project Management
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• pp.387-396
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• 2020

Wearable biosensors have the potential to non-invasively and continuously monitor seniors' stress in their daily interaction with the urban environment, thereby enabling to address the stress and ultimately advance their outdoor mobility. However, current wearable biosensor-based stress detection methods have several drawbacks in field application due to their dependence on batch-learning algorithms. First, these methods train a single classifier, which might not account for multiple subjects' different physiological reactivity to stress. Second, they require a great deal of computational power to store and reuse all previous data for updating the signle classifier. To address this issue, we tested the feasibility of online multi-task learning (OMTL) algorithms to identify multiple seniors' stress from electrodermal activity (EDA) collected by a wristband-type biosensor in a daily trip setting. As a result, OMTL algorithms showed the higher test accuracy (75.7%, 76.2%, and 71.2%) than a batch-learning algorithm (64.8%). This finding demonstrates that the OMTL algorithms can strengthen the field applicability of the wearable biosensor-based stress detection, thereby contributing to better understanding the seniors' stress in the urban environment and ultimately advancing their mobility.

• Educational Technology International
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• 제22권2호
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• pp.311-339
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• 2021

This study examined the effects of scaffolding types (Toulmin's Argument Pattern: TAP or Argumentation Vee Diagram: AVD) and individual metacognition levels (low or high) on students' learning achievement in online collaborative argumentation. A total of 191 Chinese undergraduates took part in this study. They were randomly assigned to either the TAP scaffolding, AVD scaffolding, or no scaffolding condition. They were teamed up in small groups of two or three students to argue with their peers using SNS as the online collaborative argumentation environment. The results revealed that students in the TAP and AVD scaffolding conditions did not gain significantly higher retention or transfer scores than students without scaffolding. However, students in the TAP scaffolding condition significantly outperformed those in the AVD scaffolding condition on transfer scores. Individual metacognition did not significantly affect learning achievement in online collaborative argumentation. Additionally, there was no significant interaction effect between scaffolding types and individual metacognition levels on retention or on transfer. The findings have implications for scaffolding design for online collaborative argumentation and also suggest that more attention should be paid to social metacognition rather than to individual metacognition when students work collaboratively.

• Human Ecology Research
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• 제60권2호
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• pp.187-209
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• 2022

The objective of this study was to conduct a 'Theory of Home Economics Education' class using online problem-based learning(PBL) for prospective home economics(HE) teachers. The aim was to enable teachers to analyze the learning experience in the classroom, and to prepare operational strategies for online PBL on this basis. In order to achieve this, online PBL was applied to 31 students participating in the 'Theory of Home Economics Education' at the Department of HE in a university in Seoul, and the results were collected from the learning process. This also involved a reflective journal, a survey on the learning experience and the impacts was conducted. Moreover, analysis was undertaken on the learning activities, learning difficulties, and improvements. The main research results are as follows. Firstly, students accessed Webex, an online video conferencing program, and performed two PBL tasks: 'Making Home Economics Promotion Materials' and 'Presenting Teaching Strategies to Improve Learner's Immersion in Online Classes'. Secondly, learners established their own identity of HE learned about the HE class plans themselves. They also encountered realistic experience as HE teachers and learned communication and collaboration skills. Furthermore, they acquired creative problem-solving and self-directed learning ability, community consciousness, as well as the attitude of consideration and respect. Thirdly, students lacked knowledge of learning content and encountered difficulty in solving data research, analysis processes, and unstructured problems. They were affected by a lack of time and encountered problem in communicating with other team members in an online environment. As an improvement in online class operation, it was considrered necessary to reduce the learning burden by securing time and reducing the number of assignments, as well as to explain active interaction with instructors and PBL.

• 한국산학기술학회논문지
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• 제21권8호
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• pp.557-562
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• 2020

코로나19로 인해서 비대면 강의환경에서 온라인 학습이 교육환경의 주요 학습기법으로 채택되고 있다. 온라인 학습패턴이 학업성적에 어떤 영향을 미치는지에 관한 연구가 부족하여, 본 연구에서는 학습자들의 온라인 동영상 학습횟수와 시간을 주요 요소로 두고, 매 학습에 대한 형성 평가와 함께 중간고사 기말고사를 바탕으로 학습효과의 상관관계를 분석하였다. 분석 대상은 대학에서 예체능 학부 학생들이 가장 어려워하는 교양 과목 중 컴퓨터 프로그래밍 교과목을 분석하였다. 실제 학생들의 사례를 분석한 결과 매주 실시한 형성 평가와 학습회수, 학습 시간과는 상관관계가 없는 것으로 나타났고, 중간고사와 기말고사와는 평소 학습회수(r=.39 p<0.05)와 학습 시간(r=.42 p<0.05)이 상관관계가 있는 것으로 나타났다. 강의 진행 과정에서 SMS 문자, 게시판, 메일 등의 요소는 모든 학생이 접하지 못하여 제외하였으므로, 앞으로는 좀 더 다양한 요인을 고려하여 비대면 강의환경에서의 학습자 패턴을 분석하고 연구한다면 학습자들의 요구와 학습효과를 향상할 수 있을 것이다.