• Journal of the Korean Home Economics Association
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• v.39 no.7
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• pp.37-58
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• 2001

The Purpose of this study was to examine the direct or indirect effects of psychological family environment self-control, and friends characteristics of middle school students on their problem behaviors. Data were corrected from 520 senior students of middle school (266 boys and 254 girls) who reside in Inchon. The level of problem behaviors was directly influenced positively by closeness with friends and negatively by self-control and open communication with mothers. And the level of problem behaviors was indirectly influenced positively by intrafamily conflicts and negatively by self-control, parental monitoring and open communication with parents. Self-control was the most powerful predicator of problem behaviors of middle school students. Self-control was directly influenced positively by open communication with fathers and negatively by intrafamily conflicts. Closeness with friends was directly influenced positively by parental monitoring and negatively by self-control and open communication with mothers.

• Korean Journal of Child Studies
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• v.37 no.3
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• pp.13-26
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• 2016

Objective: The purpose of this study was to investigate the relationship between sleep duration and school adjustment of elementary-, middle-, high-school youth and to verify the mediating effects of parenting behavior. Methods: We analyzed the data from Wave 4 of the first-grade panel of elementary school and Waves 1 and 4 of the first-grade panel of middle school in Korean Children and Youth Panel Survey (KCYPS), including 1,703 fourth graders, 2,119 seventh graders, and 2,108 tenth graders. Multiple regression was used for the data analyses. Results: The results of this study were as follows. First, longer sleep duration was associated with a higher level of school adjustment in fourth grade. In contrast, longer sleep duration was associated with a lower level of school adjustment in seventh and tenth grades. Second, longer sleep duration was related to a higher level of discipline through reasoning in fourth grade. However, longer sleep duration was related to a lower level of parental monitoring in seventh and tenth grades. Third, the relationship between sleep duration and school adjustment was mediated by parenting behavior. Discipline through reasoning had a mediating effect in fourth grade, but the mediating effect of parental monitoring was found in seventh and tenth grades. Conclusion: These results suggest a differentiated approach on sleep duration in accordance with developmental stage and the need for parent education.

• Korean Journal of Family Welfare
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• v.23 no.4
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• pp.633-652
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• 2018

This study aimed to examine the direct effects of relationships with parents, peers, and community child center teachers on the school adjustment of low-income adolescents attending community child centers and the indirect effects mediated through adolescents' resilience. The second-term panel data from the fourth-year Community Child Center Survey was used to analyze 198 adolescents (103 boys, 95 girls) who were first graders at middle schools. SPSS 20.0 and AMOS 20.0 were used to analyze the data through structural equation modeling. The results of the study were as follows: Parental monitoring and peer trust had direct effects on the adolescents' school adjustment, while satisfaction with community child center teachers did not. Parental monitoring, peer trust, and satisfaction with community child center teachers had indirect effects on adolescents' school adjustment mediated through resilience. The school adjustment of low-income adolescents has received attention from both researchers and politicians. The results of this study are notable in that both the important relationships and resilience of low-income adolescents can significantly contribute to their school adjustment in their first year at middle school. Given the developmental needs of low-income adolescents, interventions for school adjustment that consider adolescents' important social contexts and psychological characteristics should be developed.

• Human Ecology Research
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• v.55 no.6
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• pp.567-580
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• 2017

This study explored the influence of adolescent depression on adult media addiction by examining Bronfenbrenner's ecological perspective. The ecological perspective is a useful framework to identify the link between youths' interacting subjects in the ecological environment. It can also be used to understand adolescent problems and addiction behaviors. The current study examined the influence of parents, peers, and teachers on adult media addiction and depression with a focus on micro-systems that have the greatest influence on adolescents among various environmental systems. We analyzed 568 participants who reported exposure to adult media. SPSS 20.0 was used to conduct a descriptive analysis of the data; AMOS 19.0 was used to conduct a confirmatory factor analysis and structural equation model. The results of study are as follows. First, parental abuse and peer alienation significantly increases depression. Second, peer communication significantly decreases depression. Third, parental monitoring and parental affection significantly decreased adult media addiction. Fourth, parental abuse, peer alienation, and depression significantly increased adult media addiction. This study is meaningful in that it examines the influence of parent, peer, and teacher relationships among adolescents on adult media addiction and depression. This study can be helpful to understand adult media addiction and depression among Korean adolescents.

• Korean Journal of Child Studies
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• v.23 no.3
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• pp.171-186
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• 2002

This study of variables associated with maternal monitoring of child's whereabouts and daily activities was conducted with 1500 children (8 and 13 years of age) and their mothers. They responded to questionnaires on monitoring knowledge, sources of maternal information (maternal solicitation and/or child disclosure), and demographic variables. Data were analyzed by Pearson's r, ANOVA, and regression analysis. Mothers' knowledge of her child's activities and whereabouts and the sources of her knowledge were associated with mothers' higher level of education. Child's age was related to mother's knowledge and maternal solicitation. Maternal solicitation and child's age were highly predictive of mothers' knowledge of her child's whereabouts and activities. Results of this study may have applications for parental supervision and child rearing attitudes.

• Korean Journal of Human Ecology
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• v.13 no.5
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• pp.711-721
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• 2004

This study is about the influences of the type of after school care and the degree of mothers' affection and monitoring toward their children on the psychological well being of children with working mother. For this research 437 children attending an elementary school with working parent were chosen. The major finding were as follows: First, the results of the findings on whether there were differences in the psychological well being of these children depending on the form of after school care showed that there were significant differences between loneliness and self-perceives competence felt by children. Second, the results of the findings on whether there were differences in the psychological well being of these children depending on the mother's affection and monitoring showed that there were significant differences between loneliness and self-perceives competence felt by children. Third, Multiple regression analysis shows, no matter what type of care a child gets, a mother's affection is the most effective variable which influence toward a child's psychological well being.

• Korean Journal of Environmental Biology
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• v.36 no.4
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• pp.456-462
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• 2018

The purpose of this study was to assess cross-generational effects of bisphenol A exposure in benthic copepods, Tigriopus west. Nauplii (<24 hours old) were exposed to graded concentrations of bisphenol A, and toxicity end-points such as survival, development, sex ratio, and fecundity were measured. $F_1$ generations were grown under innoxious conditions, and similarly assessed. Significant differences were observed in development of nauplii and copepodites, between exposed and non-exposed copepods; however, there were no differences in survival of nauplii or copepodites, sex ratio, or brooding rate in parental generation. In contrast, in the $F_1$ generation, there were significant differences between the control group and exposed group in survival and development of nauplii. Length, width, and biomass of parental and $F_1$ generations were reduced in the exposed group compared to the control group. In addition, some deformities, such as swelling of the prosome, abnormally shaped egg sac, and dwarfism were observed after exposure to bisphenol A. So, our study demonstrates that a cross-generation toxicity test and monitoring of morphological deformities in harpacticoid copepods, can be useful for development of potential bioindicators for environmental monitoring, and assessment of chemical impact.

• Journal of the Korean Home Economics Association
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• v.37 no.12 s.142
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• pp.79-89
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• 1999

The purpose of this study was to develop the generative fathering scale to measure fathers' active involvement of parenting. Subjects were 188 fathers of early childhood from Jeonju. To begin with, the concept of generative fathering was discussed in the theoretical review, and then the measurement was comprised of two dimensions(the parental involvement of fathers and paternal responsibility) The parental involvement of fathers : thirty of 37 items were selected through the item analysis, and that 30 items were analyzed by factor analysis. The result of factor analysis indicated that the parental involvement of fathers comprised of three factors(developmental support, caregiving and monitoring, shared activities). paternal responsibility : this was analyzed through the same process above, two factors(responsibility as a resource provider and responsibility as a child-rearing)were extracted by factor analysis. The construct validity was supported and the internal consistency of this two sub-scale appeared to be at an acceptable level, and were considered to be useful way to measure generative fathering.

• Korean Journal of Childcare and Education
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• v.10 no.6
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• pp.265-289
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• 2014

This study analyzed the change of after-school guardians' absence types during the first 3 school years, and the relations of after-school care, family environment(family income, parental monitoring) to self-regulatory learning ability and emotional-behavioral problems in each gender of early school-age children from dual income families. The data from 526 boys and 483 girls among 3rd graders of Korean Child and Youth Panel Survey(KCYPS) were statistically analyzed by Friedman's test, t-test, correlational coefficient analysis, regression analysis. The results showed that 45% of boys and 50% of girls were with a guardian for their after-school care in each of the first 3 school years and after-school care had changed gradually into the types of temporal or contingent absence of a guardian. Family income and children's self-regulatory learning ability were different from adult-care and self-care in each gender, but there were differences in the parental monitoring of girls and emotional-behavioral problems of boys according to the care types. Both of boys and girls showed that family environment meaningfully related with the ability and the problems, and also showed the relatively different effects of after-school care and family environment on those ability and problems variables. The results suggested some implications for after-school care.

• Korean Journal of Social Welfare
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• v.68 no.3
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• pp.105-125
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• 2016

School absenteeism is considered one of the early predictors of school drop-out and serious delinquency or criminal behavior. The primary goal of the current study was to explore the protective and risk factors related to changing school absenteeism over time based on the ecological-systemic perspective. The data was derived from the Korean Children and Youth Panel Survey (KCYPS) using the 2011 and 2012 survey waves collected from 2,378 elementary school students. Using this data, Panel Fixed Effects Analysis was conducted. Major findings indicated that daily computer usage, parental abuse, school activity attendance, and school grades had an effect on students missing school days over time. Specifically, high levels of computer usage and parental abuse were related to increased school absenteeism, while high levels of school activity attendance and school grades were associated with decreased school absenteeism. These findings emphasized the importance of predictive intervention for children and suggested the need to construct a school absenteeism monitoring system in South Korea.