• Korean Journal of Child Studies
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• v.29 no.6
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• pp.245-257
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• 2008

Subjects in this study on causal relationships among playfulness, interactive peer play, teacher-child relationships, and creative characteristics were 286 3- to 5-year-old children. Instruments were the Rating Scale for Creative Characteristic of Preschoolers (Lee et al., 2002), Children's Playfulness Scale (Bemett, 1990), Penn Interactive Peer Play Scale (Fantuzzo et al., 1995), and Student Teacher Relationship Scale (Pianta, 1991). Results showed : (1) significant relationships among social spontaneous, cognitive spontaneous and children's humor in sub-areas of children's playfulness, friendliness in sub-areas of teacher-child relationships, play interaction in sub-areas of interactive peer play and creative characteristics. (2) Children's creative characteristics directly influenced social spontaneous, cognitive spontaneous and children's humor in sub-areas of children's playfulness and of play interaction in sub-areas of interactive peer play.

• Korean Journal of Childcare and Education
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• v.12 no.2
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• pp.41-55
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• 2016

The purpose of this study was to examine the effects of parenting behavior and peer interaction on externalizing problem behaviors of preschoolers. The data of 953 49~55 month old preschoolers and their parents were extracted from the Korean Children Panel Survey of Child-Care Policy Research Institute(2012). This study was conducted with Structural Equation Modeling(SEM). The results of this study were as follows. First, parenting behavior had a direct influence on externalizing problem behaviors of preschoolers. Second, parenting behavior had a direct influence on preschoolers' peer interaction. Third, preschoolers' peer interaction had a direct influence on externalizing problem behaviors of preschoolers. Fourth, preschoolers' peer interaction had mediating effects on the relationship between parenting behavior and externalizing problem behaviors of preschoolers.

• Korean Journal of Human Ecology
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• v.23 no.5
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• pp.759-771
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• 2014

The purpose of this study was to examine the effects of undesirable parenting behavior, children's peer relationship and self-regulated learning on children's self-esteem. Using the data from Korean Children and Youth Panel Survey, this study was conducted with Structural Equation Modeling(SEM). The results of this study were as follows. First, parents' undesirable parenting behavior influenced directly on children's self-esteem, and peer relationship. Second, children's peer relationship influenced directly on self-regulated learning, and self-esteem. Third, children's self-regulated learning influenced directly on self-esteem. Fourth, parents' undesirable parenting behavior did not influenced directly on children's self-regulated learning. But children's peer relationship and self-regulated learning had mediating effects on the relationship between undesirable parenting behavior and children's self-esteem.

• Korean Journal of Child Studies
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• v.23 no.1
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• pp.55-70
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• 2002

The influence of peer collaboration on children's analogical abilities was studied with 120 9-year-old participants. After the pre-test, which determined the analogical level of the children, each child was assigned to 1 of 4 different learning conditions: cued/non-cued peer collaborative learning, or cued/non-cued individual learning conditions. The post-test showed changes in their analogical abilities. That is, results showed that cued peer collaborative learned improved the analogical abilities of the children, but the pattern of improvement was different by prior level of analogical abilities. We explained improvement in analogical ability by the context effect of peer collaborative learning and by the interactive effect of context with basic cognitive abilities of the children. We suggested implications of the present results for educational practice.

• Korean Journal of Child Studies
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• v.23 no.4
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• pp.171-183
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• 2002

This study examined the applicability of creative drama to a social competence program for poorly accepted(socially at-risk) elementary school children. The subjects were 40 $2^{nd}$(n=20) and $5^{th}$(n=20) grade children. The experimental group(n=20) participated in a social competence program that included 18 sessions of the creative drama activities during winter vacation. The Peer Rating Scale, the Peer Competence Scale, and the Quality of Friendship Scale were administered as pre- and post-test. Covariance analyses showed no differences between experimental and control groups on peer competence and quality of friendship, but the children who participated in the program showed some differences in total scores and sub-areas on quality of friendship by grade and level of peer pre-acceptance.

• Journal of the Korean Home Economics Association
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• v.37 no.5
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• pp.111-122
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• 1999

The purpose of this study was to investigate the influence of peer victimization on children's loneliness and anxiety. The 937 subjects were selected from the fourth, fifth, and sixth graders of elementary schools and the first and second graders of middle schools. The main findings of this study were as follows : 1) Boys were more focused on overt victimization than girls. Girls received more prosocial behavior than boys. There was no significant gender difference in relational victimization. 2) As the grade were higher, the tendency of relational and overt victimization had been decreased. As the grade higher, the tendency of prosocial behavior was no significant difference. 3) The influence of peer victimization on children's loneliness had difference among subtypes of peer victimization. 4) The influence of peer victimization on children anxiety had difference among subtypes of peer victimization.

• Journal of Korea Multimedia Society
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• v.11 no.12
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• pp.1706-1715
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• 2008

In a super-peer based P2P network, the network is clustered and each cluster is managed by a special peer, which is called a super-peer. A Super-peer has information of all the peers in its cluster. This type of clustered P2P model is known to have efficient information search and less traffic load than unclustered P2P model. In this paper, we compute the message traffic cost incurred by peers' query, join and update actions within a cluster as well as between the clusters. With these values, we estimate the optimal number of super-peers that minimizes the traffic cost for the various size of super-peer based P2P networks.

• Proceedings of the Korea Information Processing Society Conference
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• 2009.04a
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• pp.1314-1316
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• 2009

최근 모바일 단말의 사용과 그에 관련된 제품의 개발이 급증하고 있는 관계로 이와 관련된 많은 Peer-to-Peer (P2P) 연구들이 진행 중이다. 특히, Mobile Ad-Hoc 네트워킹 환경에서의 P2P 방식에 대한 연구 또한 활발히 진행되고 있다. 하지만, Flooding 방식의 메시지 전송은, 파일 탐색 시 Query 메시지 가 기하급수 적으로 증가할 수 있다. 이러한 메시지 전송은 센서 네트워크에서는 전력의 급격한 소모를 가져와 네트워크의 유지를 할 수 없게 하는 등의 오버헤드를 발생시킨다. 본 논문에서는 이러한 P2P 파일 검색에서의 메시지 전송수를 줄이기 위해 Mobile Ad-Hoc Network 환경에서 Peer를 Parent Peer(PPR)와 Child Peer(CPR)로 구분화하여 그룹화를 시키고 그룹을 Peer로 둔 P2P 네트워크를 구성하였다. 또한, 그룹 안에서 발생하는 CPR들의 가입과 탈퇴를 관리하여 오버헤드 발생을 줄이는 방법을 제안한다.

• Journal of Families and Better Life
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• v.31 no.1
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• pp.99-111
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• 2013

The purpose of this study was to investigate the structural relationships among the related variables of peer relationship. 547 schoolage children's social support, self-esteem, empathy and peer relationship. Subjects of this study were 547 elementary school students residing in Daegu-Si completed questionnaires assessing peer relationship, social support, self-esteem, empathy. The sample variance-covariance matrix was analyzed using AMOS 20.0, and the maximum likelihood minimization function. The goodness of fit was evaluated using the SRMR, RMSEA and its 90% confidence interval, CFI, and TLI. The results were as follow. First, children's social support was found to hadn't direct effect on peer relationship. Second, children's self-esteem, empathy have a direct effect on peer relationship. Third, children's social support have a direct effect on self-esteem, empathy. and children's self-esteem have a direct effect on empathy.

• Korean Journal of Human Ecology
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• v.24 no.6
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• pp.783-793
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• 2015

The purpose of this study was to investigate the effect of Parenting Attitude, Self-esteem, and Peer Attachment on Emotion Problem. The study is based on data from first wave of 'Korean Child Youth Panel Survey 2010(KCYPS)' and the subjects of this survey were 2,098 1st grade junior middle school students. To measure the variables, this study used such scales as the parenting attitude scale, self-esteem scale, and peer attachment scale and emotional problem scale. The data were analyzed using descriptive statistics, Pearson's correlation and structural equation modeling analysis. Results of structural equation modeling with data indicated that hypothesized structural equation model produced a good fit but, no direct effect between negative parenting attitude and peer attachment. The self-esteem have mediating effect between parenting attitude and peer attachment, emotion problem. The peer attachment have mediating effect between positive parenting attitude and emotion problem but, did not have mediating effect between negative parenting attitude and emotion problem. The implications for counseling and suggestions for future research are discussed.