• 한국정보교육학회:학술대회논문집
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• 2010.01a
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• pp.9-16
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• 2010

미래의 교육은 전통적인 면대면 방식으로 이루어지는 오프라인 학습과 컴퓨터와 네트워크를 활용한 온라인 학습이 통합적으로 이루어지는 학습체계 속에서 교과서의 지식을 학생들에게 전달하는 방식의 기존 교육과는 매우 다른 모습을 보일 것이고, 학습자 중심의 개인별 맞춤식 교육을 지향하고, 원활한 의사소통 방법을 이용하여 협력 중심의 활동을 강조할 것이다. 이에 교육현장에서는 다양한 이론과 연구를 통해 교수 학습방법 개선하고, 기초 기본 학력 신장에 끝없는 노력을 기울여 왔다. 하지만 이처럼 부단한 노력에도 불구하고 기초 기본 학력의 성취 수준이 부족한 학생은 여전히 대부분의 학급에서 많이 존재하고 있다. 때문에 학생들의 학력과 교사의 지도방법을 신뢰하지 못하는 학부모들은 자녀들을 어릴 때부터 사교육으로 내몰고 있는 것이 우리 교육의 현실이다. 이러한 현실에 공교육을 보완하기위해 등장한 사이버가정학습이 그 취지에 맞게 공교육울 내실화하여 학부모와 학생들에게 신뢰성을 회복한다면 사교육비 경감 효과와 더불어 제대로 된 학교 교육의 정체성을 확보하게 될 것이다. 이에 본 연구에서는 블렌디드 학습모형의 하나인 온라인 보충학습 결합모형을 적용하여 학생들에게 학습에 대한 흥미와 지적 호기심을 자극함으로써, 기초 기본학습의 내실화가 이루어져 결과적으로 학생들의 기초 기본학력이 신장되었음을 확인하였다.

• Journal of Families and Better Life
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• v.22 no.1
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• pp.65-75
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• 2004

This study examined attitudes toward older adults among a sample of young (496 Participants), midlife (200 participants), and older adults (115 participants). The results indicate that attitudes of the three generations toward older adults were modest in score, being neither positive nor negative. The older adults' attitudes were the most positive regarding elderly people. In other words, each generation of people showed different attitudes toward older adults. There was also a significant interaction effect between generation and gender. Middle aged women were the most negative toward the elderly, yet older women were the most positive. In addition, there were differences among generations in the variables that are related with the attitudes toward older adults. The attitudes were positively correlated with relationship with their grandparents for young adults, whereas care giving stress was significantly related for midlife adults, and the level of preparedness for old age (physical, emotional and economic) was a strong predictor for older adults.

• ETRI Journal
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• v.40 no.6
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• pp.745-758
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• 2018

A wide range of studies in various disciplines has focused on the Internet of Things (IoT) and cyber-physical systems (CPS). However, it is necessary to summarize the current status and to establish future directions because each study has its own individual goals independent of the completion of all IoT applications. The absence of a comprehensive understanding of IoT and CPS has disrupted an efficient resource allocation. To assess changes in the knowledge structure and emerging technologies, this study explores the dynamic research trends in IoT by analyzing bibliographic data. We retrieved 54,237 keywords in 12,600 IoT studies from the Scopus database, and conducted keyword frequency, co-occurrence, and growth-rate analyses. The analysis results reveal how IoT technologies have been developed and how they are connected to each other. We also show that such technologies have diverged and converged simultaneously, and that the emerging keywords of trust, smart home, cloud, authentication, context-aware, and big data have been extracted. We also unveil that the CPS is directly involved in network, security, management, cloud, big data, system, industry, architecture, and the Internet.

• Journal of the Korean Home Economics Association
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• v.44 no.10
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• pp.35-45
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• 2006

The purpose of this study was to investigate preschoolers' entry behaviors into a play group and the responses of the play group in relation to the structural characteristics of the group in a natural situation. The entry behaviors of 43 preschoolers and the responses of the play group were time-sampled. In addition the structural characteristics, including size and sex composition of the play group, and existence of a friend in the group, were checked. The following results were obtained. (1) The subjects used frequently participating behavior and wandering behavior among their entry behaviors. The wandering behavior increased and the participating behavior decreased as the size of the play group increased. Also, the subjects used wandering behaviors in the mixed group more than in the same-sex group or opposite-sex group. There was no difference in the entry behaviors according to the existence of a friend in the group. (2) The play group ignored 56% of the entry behaviors, and accepted 38% of them. The positive response of the group increased with decreasing size of the play group, whereas the entry bids were increasingly ignored as the size of the group increased. The mixed group ignored the entry bids more than the same-sex or opposite-sex group did. Also, in the presence of a friend in the group, the play group responded more positively than the group with no friend did.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.23 no.6
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• pp.61-67
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• 2023

The rise of 5G and the proliferation of smart devices have underscored the significance of multi-access edge computing (MEC). Amidst this trend, interest in effectively processing computation-intensive and latency-sensitive applications has increased. This study investigated a novel task offloading strategy considering the probabilistic MEC environment to address these challenges. Initially, we considered the frequency of dynamic task requests and the unstable conditions of wireless channels to propose a method for minimizing vehicle power consumption and latency. Subsequently, our research delved into a deep reinforcement learning (DRL) based offloading technique, offering a way to achieve equilibrium between local computation and offloading transmission power. We analyzed the power consumption and queuing latency of vehicles using the deep deterministic policy gradient (DDPG) and deep Q-network (DQN) techniques. Finally, we derived and validated the optimal performance enhancement strategy in a vehicle based MEC environment.

• 한국정보교육학회:학술대회논문집
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• 2007.08a
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• pp.59-64
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• 2007

본 연구에서는 사이버가정학습을 교사가 교실 수업과 사이버가정학습 시스템을 연계하여 운영함에 있어 어떤 요인이 사이버가정학습에 대한 학습자 만족에 영향을 미치는지를 분석하였다. 기술수용모형을 기반으로 Y초등학교 5학년 학생들을 대상으로 6개월간 운영한 후 설문조사를 실시하였다. 분석결과 초등학생들에게 사이버가정학습 만족도는 지각된 유용성과 용이성에 의하여 결정되는 것으로 나타났으며, 자기주도적 학습 능력과 학습결과보상기능은 사이버가정학습을 긍정적으로 수용할 수 있는 유용성에 상당한 영향을 미치는 중요한 요인으로 작용하는 것으로 분석되었다. 만족도에 영향을 미칠 것으로 예상했던 교육적 효과, 콘텐츠 품질은 만족도를 직접적으로 유발시키는 본질적인 요인이 아님을 알 수 있었다. 학습지원기능, 시스템 안정성 및 편리성, 상호작용 등 시스템적인 기능이 만족도에 유의미한 영향을 미치지 못하는 것으로 나타났다. 이 요인들은 단지 콘텐츠의 품질을 향상시키는 효과를 가지며, 이 효과를 통해 교육적 효과를 강화시키는 역할을 수행하는 것으로 분석되었다. 따라서 학습을 지원하는 기능, 시스템 안정성 및 편리성, 선생님과 학생 또는 학생 간의 상호작용이 가능하도록 지원하는 모든 시스템적인 기능은 수강생의 만족도에 직접적인 영향을 미치거나 만족을 이끌어 낼 수 있는 본질적이고 핵심적인 요인이 아님을 알 수 있다.

• Journal of Families and Better Life
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• v.28 no.3
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• pp.129-137
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• 2010

This study investigated the relationships among collectivism, role conflict, and the organizational commitment of teachers in kindergartens and childcare centers. The subjects were 190 teachers who worked in a kindergarten or a childcare center in Daegu and in Gyoungbuk Province. Questionnaires were used to investigate collectivism, role conflict, and organizational commitment by self-reports from teachers. The collected data were analyzed by factor analysis, Pearson's correlation, and stepwise multiple regression using SPSS Win 15.0. The results were as follows. (1) Collectivism was positively associated with the organizational commitment of the teachers. (2) Role conflict was negatively associated with the organizational commitment of the teachers. Among the different types of role conflict, teaching profession conflict, co-worker conflict, and administration conflict were negatively associated with organizational commitment. (3) Role conflict was a better predictor of organizational commitment than collectivism. Additionally, administration conflict as a type of role conflict was a better predictor of organizational commitment than collectivism.

• Journal of Families and Better Life
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• v.27 no.5
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• pp.91-99
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• 2009

This study investigates the relationships among emotional support from social network, ego-resiliency, and role conflict of teachers in kindergartens and day care centers. The subjects were 192 teachers who worked in kindergartens or child care centers in Daegu and Gyeongbuk Province. Questionnaires, which require self-report by teachers, were used to investigate the emotional support from social network, ego-resiliency, and role conflict. The collected data were analyzed by Pearson's correlation, single and multiple regressions, using SPSS Win 15.0. The results are as follows. (1) Emotional support from social network and ego-resiliency was negatively associated with the role conflict of teachers in kindergartens and day care centers. (2) Emotional support from social network was positively associated with ego-resiliency. (3) Emotional support from social network partly exerted indirect effects on role conflict mediated by ego-resiliency. But direct effect of emotional support from social network on role conflict was more than the indirect effect. These results indicate that a higher level of emotional support from social network is more likely to lower role conflict of teachers.

• Journal of Families and Better Life
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• v.30 no.3
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• pp.165-177
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• 2012

This study examined the effect of social support on infant mother's parenting behavior and mediating effects of parenting stress and depression between social support and maternal parenting behavior. Participants were 2078 mothers of infant (4-10 month) in Korea. Data were analyzed by Structural Equation Model. Major findings were as follows: First, social support showed direct effect on maternal parenting behavior. That was the more mother receive social support, mother show responsive and warmer parenting behavior on infant. Second, maternal parenting stress mediated the effect of social support on maternal parenting behavior. That was the more mother receive social support, the less mother experience parenting stress, which in turn contribute to responsive and warm parenting behavior. Third, Maternal depression didn't mediate the effect of social support on maternal parenting behavior. However, social support and maternal parenting stress showed direct effects on maternal depression. This research suggest the needs for development of diverse social support policies and program to help mothers reduce maternal parenting stress and depression.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2008.04a
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• pp.349-353
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• 2008

With the development of the internet and the spread of 'digital home', the communities in cyber space have been especially revitalized since the information-oriented society. Apartment houses provided networks that are well equipped with internet websites, which build up the houses as a virtual space unit. This study attempted to conducted the questionnaire research for apartment occupants in order to investigate their recognition of and participation in the virtual community and demand for the classified contents The results are as follows. 1) First of all, some easy-access programs are necessary to be groped while aggressive promotional strategies for virtual community that create interests of residents are required to make progress to increase the participation for virtual community 2) 'Gender', 'the form of ownership' and 'level of using the Internet' show significant differences in the case of 'needs in the like-minded people's association', the participation of residents that is induced by both online and offline can cause positive effects on community activity 3) Needs in community enrichment are generally high so that various contents development related to those are necessary. 4) Effects of virtual community on the residential community are on the whole affirmative.