• Korean Journal of Child Studies
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• v.38 no.2
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• pp.93-105
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• 2017

Objective: This study aimed to investigate the trajectories of mobile phone use with reference to its purposes, and to examine the effects of gender and interpersonal factors on the same in early adolescents. Methods: Latent growth modeling was used with a sample of 2,378 early adolescents from Grade 4 to 8. Data from the Korean Children and Youth Panel Survey conducted by the National Youth Policy Institute were used. Results: In boys and girls, overtime, the level of mobile phone use for communicating with family decreased, while that for communicating with friends increased. Level of mobile phone use for entertainment increased across time in boys; however, in girls, it increased from Grade 4 to 6 and decreased thereafter, until Grade 8. Gender was associated with the changes of mobile phone use according to the purpose of the same. Positive parenting, negative parenting, relationships with peers, and relationships with teachers predicted changes in mobile phone use for communicating with friends. Conclusion: These findings suggest that the processes involved in the trajectories of mobile phone use in early adolescence operate differently based on the purposes of the same. Additionally, the present results show that interpersonal factors are highly associated with mobile phone use for communicating with friends.

• Women's Health Nursing
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• v.11 no.2
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• pp.148-155
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• 2005

Purpose: This study was to provide preliminary data for menstrual education and research for the early adolescents. Methods: Participants were 320 middle school students in Gangreung city. Data collection was done from May 1 to May 30, 2004 by self administered questionnaires. Results: In recollecting of menarche experiences, students felt more negative (happy 18.5%, confused 72.6%, embarrassed 82.2%, angry 38.1%, proud 26.2%, excited 15.6%, surprised 54.7%). For menarche preparation, there was a low level of explanations & knowledge of menstruation, and preparedness for menarche. Key informants regarding menstruation experiences were the mother and school teacher. The mean age of menarche was 12.3years old. 66.6% had premenstrual symptoms, and the mean score of VAS for dysmennorrhea was 4.50. Significant variables related to the VAS score were embarrassed of menarche experience(F=3.38, p=.019), preparedness for menarche(F=2.86, p=.038), and premenstrual symptoms(t=63.36, p.000), Conclusion: Preparation for a positive menarche experience prior to menarche is necessary. More active menstrual education should be given for early adolescents in the school and family setting. Replication studies in other regions and developing a menstrual education program is recommended. Systematic examinations of perimenstrual discomforts for early adolescents should be followed.

• The Journal of Korean Society for School & Community Health Education
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• v.19 no.2
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• pp.31-42
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• 2018

Objectives: This study was conducted to analyze the mediating effect of self-identity on the relationship between aggression and school life adaptation of early adolescents. Methods: This study used the 5th-year data of the Korean Children & Youth Panel Survey (KCYPS) including 159 middle school 2nd students from single-parent families. The data was analyzed with open source statistics program R 3.5.0 to determine whether self-identity had a mediating effect on school life adaptation as an independent variable. Results: A moderate correlation was found among aggression, self-identity, and school life adaptation. As a result of the Sobel test, self-identity of early adolescents demonstrated a significant mediating effect on the relationship between aggression and school life adaptation. Conclusions: Given the significant mediating factor of self-identity, the strategies for early adolescents to boost their overall school life adaptation should be considered through intervention programs that help to enhance their self-identity.

• Journal of the Korean Home Economics Association
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• v.40 no.3
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• pp.67-82
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• 2002

The purpose of this study was to investigate the relation of social support and aggression of early adolescents. The subject were 220 adolescents aged 11 & 14 years, who were enrolled 11 child welfare facilities or 6 public schools(3 elementary & 3 middle schools) in Seoul. That is, 110 institutionalized(IA) & 110 middle class home-reared adolescent (HA)s were examined. They subjects were asked to complete the questionnaire on social support and aggression. According to the results, 1)IAs perceived less support from peers or adults and showed more aggressive behaviors than HAs. 2)Significant sex difference was observed in aggression. Girls showed lower level of aggression than boys. 3)Adolescents' aggression was significantly correlated with social support. The more support from friends, classmates, and parents HAs perceive, the less aggression they reported. Though support from peers was correlated significantly only with anger expression, support from parents was correlated significantly with all the components of aggression. And the more support from friends and classmates HAs perceive, the less aggression they reported. These findings implicate that social support is a important factor in preventing aggressive behaviors of early adolescents.

• Journal of Families and Better Life
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• v.31 no.3
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• pp.1-13
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• 2013

The purpose of this study was to examine the influence of family mealtime and family functioning (family cohesion, family adaptability, and communication with father and mother) on early adolescent school adaptation. Data of 3,145 middle school students from the Survey on the Family Values and Lives among Adolescents(2010) conducted by National Youth Policy Institute(NYPI) were used. The findings are as follows. First, there were significant differences in the frequency of having breakfast and dinner with father and having breakfast with mother, family cohesion, and communication with father according to gender. Second, hierarchical linear regression analyses revealed that household economic status, mother's employment status and adolescents' gender among demographic characteristics, having breakfast with father and having dinner with mother in family mealtime frequency, and all the variables of family functioning predicted adolescents' school adaptation. Finally, economic status, having dinner with mother, family cohesion, and communication with father and mother were associated with adolescents' school adaptation for both boys and girls. Mother's education and having breakfast with father were found to be significant for only boys, while mother's employment status and family adaptability were found to be significant for only girls. These findings could provide grounds for making family and education policy.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.20 no.12
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• pp.348-356
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• 2019

The purpose of this study was to identify latent classes in changes of mothers' daily life stress over six years from multicultural families and to test its relationship with early adolescents' perceived neglecting parental attitudes and their academic achievements. For achieving this purpose, as the study sample 1,039 students were gathered from the 4th grade of elementary school to 3rd grade of middle school, using Growth Mixture Modeling, Multiple Group Analysis, and One-way ANOVA. The results were as follows. First, latent classes of mothers' daily life stress were categorized into three types: high-stable trajectory, moderate-changing trajectory, and low-changing trajectory. Second, these three types showed different characteristics in early adolescents' perceived neglecting parental attitudes and academic achievements. Third, early adolescents' perceived neglecting parental attitude were not significant determinants of the latent classes while academic achievements were. The findings of this study may provide a framework for understanding the relationships among mothers' daily life stress and early adolescents' perceived neglecting parental attitudes and their academic achievements in multicultural families and practical implications for providing social support to overcome daily life stress of mothers in multicultural families.

• Journal of Families and Better Life
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• v.22 no.5
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• pp.175-183
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• 2004

This study was conducted to investigate the influence of the psychological environment on the psychosocial maladjustment in early adolescence. This study also examined how the psychological environment influenced early adolescents in internalizing and externalizing their problems. Four hundred and eight students from three middle schools in Seoul participated in this study. The participants were divided into two groups by gender, and their psychological environment and psychosocial maladjustment were measured. The data were analyzed using ANOVA and multiple regression. The results of this study are as follows: Mutual intimacy and respect in the psychological environment affected internalizing and externalizing problems among male students; whereas communication affected internalizing and externalizing problems among female students. Based on this analysis, theoretical basics were presented for educational programs to prevent internalizing and externalizing problems.

• Journal of the Korean Home Economics Association
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• v.37 no.4
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• pp.59-69
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• 1999

The purpose of the study was to examine the relationship between self-esteem and adjustment in early adolescence. The survey data was collected from 497 middle school students who were living at Pusan Korea. The participants completed the multidimensional Self-Esteem Inventory, constructed by the present researchers, the depression scale, and the life-satisfaction scale. The major findings of this study were as follows. The depression of adolescents was affected by the self-esteem related to home, peer, physical-appearance, and personality subdimenions. The importance of and the level of self-esteem about physical-appearance have an interactive effect on adolescents' depression. The life satisfaction of adolescents was affected by the self-esteem related to home, peer, physical-appearance, and academic-general areas.

• Korean Journal of Child Studies
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• v.37 no.6
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• pp.5-17
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• 2016

Objective: This study focused on the longitudinal associations between self-esteem and peer relationships in Korean adolescents while considering gender and timing-early and late adolescence-differences. Methods: The study made use of data from the Korean Children and Youth Panel Survey. Three waves of data collected from 2,351 adolescents were analyzed by means of autoregressive cross-lagged modeling. Results: The results indicated that self-esteem predicted subsequent changes in peer relationship but not vice versa. Further, the results that longitudinal associations between self-esteem and peer relationships differed between male and female adolescents and between early and late adolescence. Conclusion: The findings revaluated the longitudinal relationship between self-esteem and peer relationships. Both gender and timing should be considered when planning interventions related issues about self-esteem and peer relationships in adolescence.

• Korean Journal of Child Studies
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• v.33 no.1
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• pp.81-92
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• 2012

The main purpose of this study was to analysis of the structural relationship between early adolescents' social relationships, self esteem, life satisfaction, and school adjustment. Data harvested from the Korean Youth Panel Survey 2010 was analyzed by means of Structural Equation Modeling (SEM). The results indicate that the model is appropriate in terms of goodness of fit and significant path based on the validation procedure. According to the model, the social relationships have some degree of influence upon self esteem which then goes on to have a subsequent effect on life satisfaction; which in turn have a further influence on school adjustment. Social relationships also have a direct influence on life satisfaction, school adjustment, and self esteem has a direct influence on school adjustment. The paper concludes with an outline of the implications of the present study for future studies on this subject.