• Journal of Families and Better Life
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• v.18 no.1
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• pp.153-166
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• 2000

The relations between friendships peer aggression and victimization by peers were examined with a sample of 426 second-grade junior high school students(210 boys and 216 girls) Data were collected using questionnaires regarding friendship(number of friends and presence of a best friend) peer aggression and victimization by peers. The number of friends was significantly related to peer aggression both in boys and girls indicating that the more friends they had the less peer aggression they showed. Peer aggression didn't vary as a function of the presence of a best friend. The number of friends was also significantly related to victimization both in boys and girls. The more friends they had the less victimization they experienced. Victimization varied as a function of the presence of a best friend only in adolescent boys in which those having a best friend were rated by peers to experience less victimization, Victimization was related to peer aggression both in boys and girls. T e more victimization they experienced the more peer aggression they showed.

• Korean Journal of Child Studies
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• v.22 no.4
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• pp.85-97
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• 2001

This study examined the effects of mother's support and peer acceptance on children's domain specific self-esteem and the moderating effects of best friend's support. The subjects were 272 $4^{th}$ and 349 $8^{th}$ grader in Chin-ju. Data were analyzed by the SAS/PC+ program, including Cronbach's ${\alpha}$, Pearson's correlation, multiple regression and two-way ANOVA. Findings were that peer acceptance had a higher influence on academic-general self, peer-related self, physical-appearance self, personality self and physical-competence self than did mother's support. Mother's support had a higher influence on home self than did peer acceptance. Best friend's support and mother's support interacted with children's physical-appearance self and physical-competence self. Best friend's support and peer acceptance interacted with student's peer-related self.

• Journal of the Korean Home Economics Association
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• v.42 no.7
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• pp.19-32
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• 2004

This study examined how school-age children's peer acceptance and friendship experience were related to their psychosocial adjusment. Peer acceptance was examined in terms of sociometric status and social preference, and the friendship experience was examined in terms of the reciprocity of best friendship. The subjects were 275 children in the 4th or 5th grades. It was found that sociometric status and the reciprocity of best friendship were significant predictors of the level of loneliness that children experienced. Interaction between children's social preference score and the reciprocity of best friendship was also a significant predictor of the children's experience of loneliness. That is, the degree to which children are accepted by their peer group predicts the level of loneliness that children experience, but the strength of the prediction depends on whether the children have reciprocal best friends. Is for children's self-esteem in relation with sociometric status and the reciprocity of best friendship, only sociometric status was significant predictor of children's self-esteem. However, interaction between social preference and the reciprocity of best friendship was a significant predictor of children's self-esteem. This finding suggests that the degree to which children are accepted by their peer group predicts the level of children's self-esteem, and the strength of the prediction depends on whether the children have reciprocal best friends.

• Korean Journal of Child Studies
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• v.28 no.5
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• pp.193-207
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• 2007

The present study investigated the influence of withdrawal on children's best friendship including prevalence of best friendship, friendship quality, and friends' psychosocial characteristics. Subjects were 471 fifth and sixth graders recruited from two public schools. The peer nomination index was used to assess peer victimization, withdrawal, and prosocial behavior. Peer rejection and acceptance were also measured. Children reported on the quality of their friendships using the Friendship Quality Scale(Bukowsi et al., 1994). Results showed that compared to control group, withdrawn children had fewer best friends and perceived their friendship quality more negatively. Moreover, withdrawn children are similar with their best friends in respect with prosocial behavior, withdrawal, peer victimization, and peer rejection level.

• Proceedings of the KIEE Conference
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• 2005.10b
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• pp.292-294
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• 2005

The emerging peer-to-peer (P2P) model has recently gained a significant attention due to its high potential of sharing various resources among networked users. Super-peer unstructured P2P systems have been found very effective by dividing the peers into two layers, super-peer and edge peer. Super peer deal with all Queries instead of edge peers. The existing P2P systems assume all super peers have equal roles and capabilities. However, all super peers don't so that edge peers should select the best super peer in order to handle Queries well. In this paper, we suggest the ISP2P (Intelligent Super-peer based P2P) which allows to select the best super peer to the edge peers. We classify super peers according as the capacity of a edge peer to a super peer. We show that considering the quality of a edge peer to a super peer can improve the performance of the response time and bandwidth.

• Proceedings of the KIEE Conference
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• 2004.05a
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• pp.62-64
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• 2004

P2P Systems have grown dramatically in recent years. Now many P2P systems have developed and been confronted by P2P technical challenges. We should consider how to efficiently locate desired resources. In this paper we integrated the existing pure P2P and hybrid P2P model. We try to keep roles of super peer in hybrid and concurrently use pure P2P model for searching resource. In order to improve the existing search mechanism, we present contents-based classification mechanism. Proposed system have the following features. This can forward only query to best peer using RI. Second, it is self-organization. A peer can reconfigure network that it can communicate directly with based on best peer. Third, peers can cluster each other through contents-based classification.

• Korean Journal of Child Studies
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• v.22 no.3
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• pp.49-61
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• 2001

This study explored concurrent and prospective relationships of the coping strategies of 4th and 6th grade children in peer conflict focusing on bullying, victim, and prosocial behavior. Instruments were the Self-Report Coping Scale and the Peer Relations Questionnaire. Concurrent results of Study I showed children using more avoidance and fewer approach strategies were more likely to bullies or victims; and children using fewer avoidance and more approach coping strategies were more likely to be prosocial children. Externalizing best explained bullies and victims; seeking social support best explained prosocial children. Prospective results of Study II showed children using more externalizing and fewer problem solving were more likely to be bullies; and children employing internalizing and externalizing were more likely to be victims; and children using more seeking social support were more likely to be prosocial children. It was also found that externalizing at Time I best predicted bullies, internalizing best predicted victims, and seeking social support best predicted prosocial children.

• Korean Journal of Child Studies
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• v.21 no.1
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• pp.307-322
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• 2000

This study examined the relation between parent attachment, peer rejection, and friendship in 768 eighth grade students and victimization by peers in early adolescence. The subjects reported on father attachment, mother attachment, and victimization. Victimization was also rated by peers and teachers. The subjects were assessed on peer rejection and friendship(number of friends and presence of a best friend). The results indicated that (1)Father attachment and mother attachment were negatively related to self-reported victimization; (2)Peer rejection was positively related to victimization; (3)The number of friends was negatively related to victimization rated by peers, and victimization rated by peers varied as a function of the presence of a best friend only for girls; (4)The relation between parent attachment and victimization was not mediated by peer rejection or friendship, which indicated that parent attachment had a direct influence on victimization.

• The Transactions of the Korean Institute of Electrical Engineers D
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• v.55 no.2
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• pp.62-64
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• 2006

The emerging peer-to-peer (P2P) model has recently gained a significant attention due to its high potential of sharing various resources among networked users. Super-peer based unstructured P2P systems have been found very effective by dividing the peers into two layers, super-peer and ordinary-peer Super-peers deal with all queries instead of ordinary-peers. The existing P2P systems assume all super-peers have equal responsibility and capabilities even if all super-peers have relative advantages and disadvantages. In this paper, we suggest the ISP2P (Intelligent Super-peer based P2P) which allows to select the best super peer to ordinary-peers. We classify super peers according as the capacity of an ordinary-peer a super-peer. We show that these considerations could improve the performance of the response time and Provide higher quality results to all peers in the network.

• Journal of the Korean Home Economics Association
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• v.44 no.12
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• pp.43-52
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• 2006

The purpose of this study was to investigate the relationships between mother's management behaviors of their children's peer interaction, their beliefs about social skills, recollections of childhood peer relationships, and interpersonal competence. Subjects consisted of 258 mothers of 4- to 5-year-old children. The sample of mothers completed a series of questionnaires assessing their beliefs of social skills, their peer experiences, and the involvement activities of their children's peer relationships. The results indicated that the beliefs about social skills, recollections of childhood peer relationships, and interpersonal competence were associated with the mother's management behaviors. Maternal memories of childhood peer relationships were the best predictor of mother's management behaviors of their children's peer interaction.