• Journal of the Korean Home Economics Association
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• v.48 no.8
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• pp.67-76
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• 2010

The major purpose of this study was to explore mediating effects of narcissism on the relationship between paternal maternal psychological control, over-expectation, and adolescent aggression. This study's participants were 678 boys and girls selected from second and third graders at middle schools in Busan. The major findings were as follows. First, there were gender differences in paternal psychological control, fathers' over-expectation, mothers' over-expectation, and adolescents' overt aggression. Second, boys' overt aggression indirectly affected fathers' psychological control and mothers' over-expectation through boys' narcissism. Third, girls' relational aggression indirectly affected fathers' psychological control and mothers' over-expectation through girls' narcissism and directly affected fathers' psychological control. Finally, girls' overt relational aggression indirectly affected fathers' and mothers' over-expectation through girls' narcissism.

• Korean Journal of Child Studies
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• v.31 no.4
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• pp.111-124
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• 2010

The major purpose of this study was to explore mediating effects of narcissism between perceived popularity and aggression in adolescence. The subjects who participated in this study were 783 middle school students based in Busan. The results indicated that perceived popularity and narcissism were positively correlated to overt and relational aggression. The effects of perceived popularity on overt and relational aggression was perfectly mediated by narcissism. Athletic and fighting abilities were more important for boys' perceived popularity, but active involvement in social activity and appearance were more important for girls' perceived popularity. It was further observed that having a good sense of humour was the most important determinant of perceived popularity, irrespective of gender.

• Korean Journal of Child Studies
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• v.36 no.4
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• pp.193-208
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• 2015

The aims of this study were to investigate the effects of self-efficacy on adolescents' school adjustments and to identify mediating effects of depression and aggression. To this end, we conducted descriptive analysis, correlation analysis, and path analysis, using data from the 2008 Korean Youth Panel Survey undertaken by the National Youth Policy Institute. Our analysis shows that self-efficacy has positive effects on adolescents' school adjustments, while both depression and aggression have negative effects on adolescents' school adjustments. Moreover, both depression and aggression have a mediating effect when it comes to self-efficacy and school adjustments. These results imply that schools should consider developing a service delivery system by providing students with professional services that enhance self-efficacy. Moreover, such services will be more effective when they are combined with a program that reduces students' depression and aggression.

• Journal of Families and Better Life
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• v.29 no.3
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• pp.59-69
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• 2011

The purpose of this study was to investigate the structural relationships among adolescents' internet addiction, self-esteem, self-control, and aggression. The participants were 300 students in their first year of middle school. The questionnaire consisted of measures of internet addiction, self-esteem, self-control, and aggression. The major findings were as follows: 1) self-control had a direct effect on aggression; 2) internet addiction had a direct effect on self-esteem and self-control; 3) self-esteem had a direct effect on self-control; 4) internet addiction had an indirect effect on aggression and self-control; and self-esteem had an indirect effect on aggression. This study implied that self-related variables could mediate the relationship between the possibility of internet addiction and adolescents' aggression. This study also suggested that research on various mediator variables could reduce adolescents' psychosocial problems.

• Journal of the Korea Society of Computer and Information
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• v.25 no.4
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• pp.173-181
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• 2020

The objective of the present study was to identify the factors influencing the smartphone addiction among college students and to obtain basic information in terms of enhancing proper use of the smartphone. Based on the previous literature with constructs of depression, aggression, self-control and smartphone addiction, a research model was prepared. A total of 332 students were selected from 5 universities in G Metropolitan City and collected data were analyzed through hierarchical multiple regression. The major results of the study were as follows. First, self-control was the most powerful predictor of smartphone addiction. Second, anger caused smartphone addiction to increase whereas social experience caused smartphone addiction to decrease. Third, depression did not cause smartphone addiction to increase. Finally, implications for preventing and decreasing the smartphone addiction among college students were also provided.

• Korean Journal of Child Education & Care
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• v.19 no.3
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• pp.171-182
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• 2019

Objective: The purpose of this study was to investigate the effects of empathy, aggression, and self-esteem on social preference and social impact in preschoolers. Methods: The participants were 307 five year olds who were recruited from day care centers and preschools located in Seoul and Gyeonggi province. Social preference and social impact was measured with peer nominations. Empathy and aggression were measured by teacher ratings. Moreover, self-esteem was asessed using self-reports. The data was analysed using Pearson correlation and hierarchial regression. Results: Findings indicate that social preference is associated with empathy, however, social impact was associated with physical as well as relational aggression. Conclusion/Implications: The findings suggest that the practice of physical and relational aggression may be related with peer status as early as preschool.

• The Journal of the Korea Contents Association
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• v.22 no.6
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• pp.606-618
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• 2022

The purpose of the present study was to investigate the influence of rejection sensitivity on aggression and to determine the mediating role of self-esteem level and its stability. Data based on self-report questionnaires from a sample of 312(N=312) undergraduate and graduate students were analyzed using the SPSS 22.0, and the Amos 18.0. Results from the structural equation modeling indicated that rejection sensitivity had a negative impact on self-esteem level and a positive impact on self-esteem instability. Self-esteem level had a negative impact on aggression. Self-esteem instability had a positive impact on aggression. The effect of rejection sensitivity on aggression was fully mediated by self-esteem level and instability. Current findings add to the extent literature on the influence of rejection sensitivity on self-esteem level, self-esteem instability, and aggression. Implications of the present study, limitations of current study as well as suggestions for future study were also included in the discussion.

• Korean Journal of School Psychology
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• v.17 no.2
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• pp.223-241
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• 2020

The purpose of this study was to explore the latent profiles of social achievement goals and to investigate the differences in peer status (perceived popularity, social preference) and aggression (overt, relational, cyber) among those profile groups. Social achievement goals and cyber aggression data was acquired through self-reporting, and perceived popularity, social preference, and overt and relational aggression were assessed through peer nomination. Applying the latent profile analysis(LPA) to 1,239 elementary school students, three distinct groups of social achievement goals were identified: a development-oriented achievement goal group, an average social goal group, and a overall-high social achievement goal group. Using logistic regression analysis, the relationships between the latent group, peer status, and aggression were examined. The result indicated that the higher the social preference, the lower the probability of belonging to the 'overall-high social achievement goal group'. And the higher the cyber aggression, the lower the probability of belonging to the 'development-oriented achievement goal group'. In addition, the higher the relational aggression of the second time, the higher the probability of belonging to the 'overall-high social achievement goal group' as compared to the 'average social goal group'.

• The Journal of the Korea Contents Association
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• v.14 no.2
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• pp.122-130
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• 2014

The purpose of this study is to explore the mediation effects of deficiency on executive function for male adolescents' game addiction and aggression. For this study, 120 male high school students in Chungnam areas were included in the analysis. The results showed that game addiction showed significant correlations with both deficiency on executive function and aggression. Adolescents addicted to games tended to exhibit higher aggression and more deficiency on executive function than adolescents without game addiction. Deficiency on executive function (mediator) partially mediated the influence of the adolescents' game addiction (independent variable) on aggression (dependent variable). Based on these results, it was suggested that self-instructional training would be helpful for game-addicted adolescents to enhance self-control. Finally, limitations of this study and suggestions for future research were discussed.

• Journal of the Korea Convergence Society
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• v.11 no.2
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• pp.261-269
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• 2020

The purpose of the study was to investigate the relationship among children's perception of parenting style, their social anxiety, aggression, and school adjustment. A total of 267 children(male 117, female 150) and 10 homeroom teachers participated. Each child completed questionnaires on perception of parenting style, and social anxiety. Children's aggression and school adjustment was measured by their homeroom teachers' reports. The results of the structural equation model showed that children's perception of parenting style high in rejection and control significantly influenced aggression as well as school adjustment, but didn't influence social anxiety. Both parenting style high in rejection and control and aggression had significant effect on school adjustment. Our results showed that parenting style high in rejection and control directly influenced school adjustment, and mediated by their aggression.