• KSII Transactions on Internet and Information Systems (TIIS)
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• v.8 no.2
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• pp.355-370
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• 2014

Cooperative spectrum sensing has been considered as a promising approach to improve the sensing performance in distributed cognitive radio networks. However, there may exist some selfish secondary users (SUs) who are unwilling to cooperate. The presence of selfish SUs could cause catastrophic damage to the performance of cooperative spectrum sensing. Following the social perspective, we propose a Social Tie-based Incentive Scheme (STIS) to deal with the selfish problem for cooperative spectrum sensing in distributed cognitive radio networks. This scheme inspires SUs to contribute sensing information for the SUs who have social tie but not others, and such willingness varies with the strength of social tie value. The evaluation of each SU's social tie derives from its contribution for others. Finally, simulation results validate the effectiveness of the proposed scheme.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.9
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• pp.4303-4312
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• 2013

Study explores the effect of the member's social enterpreneurship at nonprofit organizations on cooperative behavior and proved the mediator effect of value congruency among individuals at those organizations. Examined on a nationwide scale with members at nonprofit organizations, this study indicated followings: 1. Innovativeness, Risk Management, and Social Mission. are valid 2. Innovativeness and Social Mission are related to cooperative behavior, 3. Value congruency with each other at an institution exerts positive effect on cooperative behavior, 4. Value congruency over social enterpreneurship and cooperative behavior partially, yet still positively, mediate social enterpreneurship to cooperative behavior. In other words, the higher the social enterpreneurship in each indivisual is, the higher the degree of value congruency among individuals is, leading to more frequent cooperative behavior. This study also suggests that enhancement of social enterpreureship in each individual at work through education should be considered.

• Journal of Gifted/Talented Education
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• v.15 no.1
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• pp.11-36
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• 2005

Cooperative teaching emerged as one of the interesting topics on curriculum administration and teaching-learning method in BSA(Busan Science Academy). The purpose of this study is to do research on social studies learning with respect to cooperative teaching, and to develop the model of cooperative teaching. The results of this study are as follows: First, We surveyed both the concept of cooperative teaching in all aspects and the methodological application on cooperative teaching. Second, We searched all teaching-learning methods in BSA in terms of cooperative teaching. Third, We studied cooperative teaching system on social studies considering current environmental factors. Forth, We performed seminar class which is constructed as one of the cooperative teaching models. The topic of seminar was 'The distortion and falsification of Koguryeo history in China'. The participants of seminar were volunteer students and social studies teachers whose subjects were geography, history, social studies, and ethics. And the participants conducted the research and cooperative learning based on teacher's subjects and subtopics. Fifth, The interactions between teacher and teacher, student and student, and teacher and student in the process of seminar preparation and publication were conducted very excitedly. Especially we found the possibility of cooperative teaching by the interaction between teachers. Finally, students developed the mind-frame to participate in social studies learning actively, and learned the method to research social affairs for themselves, and extended the eyes to approach social affairs with different opinions.

• Korean Journal of Child Studies
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• v.31 no.2
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• pp.17-34
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• 2010

This study was aimed to at examining whether the effects of cooperative learning on children's social competence and self-esteem would be different in terms of young children's intellectual ability. To this end, a total of 64 five-year-old children attending two kindergartens in Kyunggi-Do were selected to participated in this study. Each child was tested on the short form of K-WPPSI and fell into one of two levels (high or low). The children in the experimental group took part in thirty-five 30~40 minute sessions of cooperative learning, while the control group engaged in individual learning. The results were as follows : First, children who participated in cooperative learning achieved higher improvements in social competence and self-esteem than children engaged solely in individual learning. Second, there were no any significant differences in improvement in terms of social competence and self-esteem between the high and the low intelligence levels. On the basis of these results, it could be concluded that cooperative learning had a number positive effects upon the levels of young children's social competence and self-esteem.

• Korean Journal of Health Education and Promotion
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• v.21 no.3
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• pp.151-177
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• 2004

Recently, the educational community has attempted to implement the theory of multiple intelligences. In approaching multiple intelligences, teachers have applied the same structural approach which has been so successful with cooperative learning. Cooperative learning is easy to learn and implement, fun for teachers and students, and produce profoundly positive outcomes along a remarkable number of dimensions. Different structures are designed for different outcomes, including enhanced mastery of subject matter, improved thinking skills, team building, class building, development of social character and social skills, communication skills, classroom management, classroom discipline, and development of and engagement of each of the multiple intelligences. Cooperative learning is becoming an increasingly popular teaching strategy. In this study, it is aimed to clarify the application of cooperative learning in health education. Cooperative Learning in health education enhances student learning by: 1) providing a shared cognitive set of information between students, 2) motivating students to learn the material, 3) ensuring that students construct their own health knowledge, 4) providing formative feedback, 5) developing social and health group skills necessary for success outside the classroom, and 6) promoting positive interaction between members of different cultural and socio-economic groups. Cooperative Learning structures and techniques in health education are following. Flash Card, Focused Listing, Structured Problem-solving, Paired Annotations, Structured Learning Team Group Roles, Send-A-Problem, Value Line, Uncommon Commonalities, Team Expectations, Double Entry Journal, Guided Reciprocal Peer Questioning, What if. Because the purpose of health education is the practice, therefore health specialists have to guide powerful and effective teaching method The application of cooperative learning in health education may improve its effectiveness.

• Journal of The Korean Association of Information Education
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• v.18 no.4
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• pp.625-632
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• 2014

Due to the development of information and communication technology smart devices and apps, SNS, mirroring communication is made with such a smart and education to reflect the change of emphasis on the recent variety of collaborative social interaction are emerging. In this study, smart training and LT cooperative learning model developed in conjunction with the 'Smart-based cooperative learning 'model applied in the third grade social studies class and Smart-based cooperative learning and cooperative learning common to kidney doctor communication skills of elementary school students the impact on the communication capacity compared respectively, were analyzed. As a result, the expression of the elementary school, listening and understanding, all the sub-areas of interaction, such as communication skills in social studies class kidneys were applied to Smart-based cooperative learning in elementary school than applying the general cooperative learning model. This is not said to improve the ability to interact with the Smart-based cooperative learning in speech and in writing and clearly express the thoughts and opinions of students and separates help you understand the meaning of the words and writings of other students for the purpose in social situations can.

• The Mathematical Education
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• v.51 no.1
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• pp.63-76
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• 2012

The purpose of this study is to investigate the effect of cooperative learning in mathematics in university level. We share reflections from 54 and 57 students in linear algebra courses which were conducted by cooperative learning. We examine how students increase self-confidence and reduce the anxiety in learning, and also develop the social skills in communication.

• Korean Journal of Childcare and Education
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• v.19 no.1
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• pp.69-92
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• 2023

Objective: This study was to develop a creative problem-solving(CPS) program conducive to the improvement of young children's creativity, creative problem-solving competence, social and communication skills. The program was based on the picture books, focusing on young children's cooperative activities. Methods: In order to verify the effectiveness of the program, 99 five-year-old children were induced to participate in it. In order to verify the effectiveness of the program, data were analyzed in advance and post hoc test was conducted using the SPSS 22.0 program. Results: This program had positive effects on children's creativity, creative problem-solving competence, social and communication skills. Conclusion/Implications: The purpose of the program was to solve the problems we face in our daily life creatively through cooperative activities. The creative problem-solving(CPS) program for the young children focused on cooperative activities using the picture books was very effective in improving young children's creativity, creative problem-solving competence, social and communication skills.

• Journal of Agricultural Extension & Community Development
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• v.6 no.1
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• pp.75-90
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• 1999

This study was carried out to find out promotive schemes of linkage between consumer cooperatives and farmers' organization as an active mean of consumer cooperative movement. The consumer cooperative movement has a role of sovling the environmental problems and the social problems in Korea. According to the questioners and interview involed with consumer, farmers and specialists of consumer cooperative movement, the following findings were resulted. 1. The effective linkage form is the linkage programs controled by leaders of the consumer cooperatives and the farmers' orranization. That's the foundation for effective linkage between the two organization. 2. Enacting the consumer cooperative act and supporting from government and social groups are needed for the linkage form and activating of consumer cooperative movement. 3. The education and the public relation(P.R.) about the perspectives of consumer cooperative movement are needed. 4. The various exchange activities between consumer and farmers are programed and cried out.

• Quality Improvement in Health Care
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• v.26 no.2
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• pp.95-103
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• 2020

Purpose: This study was to examine whether a health care model that provides comprehensive medical services based on population groups to members of the medical cooperative is applicable as a policy alternative in terms of medical use and cost. Methods: Data were derived from National Health Insurance claim data in 2019. We compared the medical volume and expenses of patients who visited social cooperative-type medical clinics with other patients, control group who visited other clinics in a local area. Results: The average number of visit days was 25.3 days in social cooperative-type medical clinics, more than 24.2 days in the control group (p=.004). However, the average medical cost per visit was KRW 46 thousand in social cooperative-type medical clinics, which was significantly lower than KRW 51 thousand in the control group (p<.001), and the total medical cost was also KRW 16.1 billion in social cooperative-type medical clinics and KRW 16.9 billion in the control group. Conclusion: We identified that a population-based health care model might change patients' behaviors to health care services and decrease total medical cost. Further population based experiment is needed to develop alternative healthcare model.