• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.16 no.2
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• pp.239-250
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• 2005

Objective : The purpose of this study was obtaining data on the efficacy and safety of risperidone in child and adolescent psychiatric patients. Method : Thirty one children and adolescents (males n=18, females n=13, age ranged from 5.4 to 17.3 years) treated with risperidone were selected among child and adolescent psychiatric inpatients of Seoul National University Hospital from January, 2001 to June, 2002, and charts for them were reviewed retrospectively. Results : The primary psychiatric disorders treated with risperidone were schizophrenia and other psychosis, bipolar I disorder with psychotic features, Tourette's disorder, autism spectrum disorders, mixed receptive and expressive language disorder, attention deficit-hyperactivity disorder, conduct disorder and obsessive-compulsive disorder. twelve of these had comorbid mental retardation. Primary target symptoms of risperidone were psychotic symptoms (n=13 or $41.9\%$), behavioral symptoms (n=10 or $32.3\%$) including aggression, impulsivity, hyperactivity, stereotypy nonresponsive to other psychiatric treatments, and chronic and severe tics (n=8, $25.8\%$). The efficacy of risperidone was measured by clinical global improvement (CGI) for target symptoms, $67.7\%$ of subjects showed moderate or marked improvements and its therapeutic effect appeared to be maintained during at least 7.5 months. Mean daily dosage of risperidone was $0.05{\pm}0.01mg/kg$, the group with psychotic symptoms had significantly higher mean daily dosage (0.07mg/kg) compared with other two groups (0.04mg/kg) with behavioral symptoms or tics. A variety of adverse events were reported in this study : weight gain (n=23) most commonly reported, extrapyramidal symptoms (n=15), autonomic symptoms (n=6), sedation (n=5) and symptoms related to hyperprolactinemia (n=2) etc. Although there was no drug change related to the adverse events of risperidone, and $90\%$ of subjects at their last visits were maintained on it, thus its tolerability appeared good. Conclusions Results suggest that risperidone may be relatively safe and effective drug in managing a wide variety of child and adolescent psychopathologies such as psychotic symptoms, behavioral symptoms including aggression, impulsivity, hyperactivity and stereotypy nonresponsive to other psychiatric treatments, and chronic and severe tics. Controlled and long-term studies of efficacy and safety of risperidone treatment for children and adolescents are recommended in the future.

• Korean Journal of Human Ecology
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• v.19 no.2
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• pp.257-270
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• 2010

This study investigated preschoolers' happiness, behavior problems, and interpersonal problem solving strategies according to their sex and age, and the relationships among them. The subjects were 185 preschoolers (97 boys and 88 girls; 83 four-year-olds and 102 five-year-olds). Results showed that boys were higher in behavior problems (aggression) and forceful problem solving strategies than girls, while girls were higher in happiness (characteristics of self) than boys. Also, 4-year-old children were higher in forceful problem solving strategies than 5-year-olds. Children's happiness was negatively related to their internalizing and externalizing behavior problems. Behavior problems and interpersonal problem solving strategies of children were influenced by their happiness. These findings provide preliminary evidence that children's happiness may predict their behavior problems and interpersonal problem solving strategies.

• Journal of the Korean Home Economics Association
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• v.40 no.2
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• pp.57-66
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• 2002

This study investigated institutionalized children's behavior problems depending on their cognitive abilities. Subjects were 185 institutionalized children in 15 child-welfare facilities in Seoul (132 preschooler and 153 primary schoolers; 106 boys and 79 girls). Institutionalized children's cognitive abilities were measured using the Comprehension and Picture Completion Assessment, two subsets of K-WPPSI (Park et al., 1996) Comprehension and Picture Completion Assessment belong to verbal and performance scale, respectively. Measures of behavior problems included anxiety, immaturity, social withdrawal, physical symptom, hyperactivity, and aggression. Data were analyzed with mean, standard deviation, and t-test. Results showed that institutionalized children had higher scores in Picture Completion Assessment than Comprehension Assessment. Furthermore, institutionalized children with low scores in Comprehension Assessment were higher in anxiety and social withdrawal than children with high scores in Comprehension Assessment.

• Journal of the Korean Home Economics Association
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• v.46 no.7
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• pp.85-93
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• 2008

The purpose of this research was to investigate the prevalence of peer harassment in preschool children and assess its influence on self-concept, hyperactivity, and behavioral problems. The participants were 4 and 5 year old children recruited from preschools and day care centers. Results indicated that a small group of children were identified as victims by self and teacher-reports. Negative self-concept and hyperactivity predicted self-reported victimization. In addition, hyperactivity, internalizing, and externalizing problems were significant contributors in teacher reported victimization.

• Korean Journal of Human Ecology
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• v.15 no.1
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• pp.17-29
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• 2006

This study investigated the behavior problems of children, both institutionalized and home-reared, depending on their sex, age, and entry to institution. The subjects included 621 children (274 institutionalized, 347 home-reared; 298 boys and 323 girls; 209 preschoolers, 223 first to third graders, 189 fourth to sixth). The data collected were analyzed with t-test, 3-way ANOVA, Scheffe test, and Pearson's correlation. Children's emotionality had two sides: Positive (happiness) and negative (sadness, anger, and fear). Measures of behavior problems included internalization (anxiety, immaturity, withdrawal, physical symptom) and externalization (hyperactivity, aggression). The results of this study indicated that the institutionalized were higher in negative emotionality than their counterparts, whereas the home-reared higher in positive emotionality. The institutionalized children also had higher externalizing problems than the home-reared. Furthermore, children's negative emotionality was positively related to their internalizing and externalizing behavior problems, while their positive emotionality was negatively related to the internalizing behavior problems.

• The Journal of Korean Society for School & Community Health Education
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• v.14 no.1
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• pp.1-12
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• 2013

Purpose: This study aimed to identify the influencing the effects of emotional characteristics of adolescents on cell phone addiction and to form the basis for the developments of programs to protect addictive cell phone use. Methods: The data of the Korean Child-Youth Panel Survey(KCYPS) was analyzed using the SPSS 18.0 program. Results: The influencing factors of the cell phone addiction were gender, attention, physical symptoms, depression, aggression, social withdrawal, games and entertainment, listening to music, text messages, call family and watching movies. The factors accounted for 30.6% of variance in cell phone addiction. Conclusions: These results suggest that cell phone addiction are influenced by emotional characteristics of adolescents. These results may contribute to development of programs to prevent cell phone addiction.

• Journal of the Korean Home Economics Association
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• v.39 no.4
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• pp.79-89
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• 2001

This study investigated institutionalized children's behavior problems depending on their family networks. Subjects were 250 institutionalized children in 15 child-welfare facilities in Seoul(132 preschooler, 55 first and 63 second grade children; 144 boys and 106 girls). Data were analyzed with t-test, ANOVA, and Duncan test. Measures of behavior problems included internalizing (anxiety, immaturity, withdrawal, physical symptom) and externalizing behavior problems (hyperactivity, aggression). Results showed that institutionalized children having parents were higher in internalizing problems than children not having parents, while children living with siblings in the facilities were lower in externalizing problems than children living without siblings. Furthermore, institutionalized children having parents and living without siblings were higher in both internalizing and externalizing problems than children not having parents and living with siblings.

• Journal of the Korean Home Economics Association
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• v.41 no.11
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• pp.171-187
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• 2003

The purpose of this study was to measure the effects of self-growth group counseling program for children in a group home. The results of this study are as follows. First, the self-growth group counseling program was effective to improve self esteem. The most significant increases were seen in the global self-esteem and school-academic self-esteem. Second, the group cohesion and participation frequency of the program were improved, as the session was progressed. Third, as the changes of individual, the understanding and acceptance of oneself and the others are improved. So, impulsivity and aggression became lower, and problem behavior was less.

• Journal of Fisheries and Marine Sciences Education
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• v.25 no.1
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• pp.87-101
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• 2013

The purpose of this study was to analyze differences in psychological characteristics according to cell phone dependency and use purpose in cell phone users of adolescences. Psychological characteristics of adolescents were consisted of attention aggression, somatic symptoms, social withdrawal, depression variables. The subjects were 2,158 cell phone owned second graders of middle school. A data of the Korean Child-Youth Panel Survey(KCYPS) was employed for the this study. Dependency and use purpose of cell phone were classified by cluster analysis into four groups with similar characteristics : 'high dependency-multipurpose', 'low dependency-social', 'low dependency-unsocial' 'middle dependency-peer interaction' groups. Major findings were that: the group differences in psychological characteristics were statistically significant. The 'low dependency-social' group showed highest on adjustments, and the other groups were maladaptive. Finally, implications for future research were discussed.

• Korean Journal of Human Ecology
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• v.8 no.3
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• pp.437-451
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• 1999

This paper tries to find out the prevalence of the school violence among the elementary school children and explores variables to explain the violence based on the various victimization theories including the life style theory. One out of ten respondents reported that they had at least one experience of victimization. Bullying was found out to be the most frequent type of the school violence. The school violence experience are shown to have no statistical significant relationship with the life style of respondents, the family background, and the academic achievements, but to have relatively high correlation to delinquency propensity. This may indicate that both offender and victim of the school violence could be recruited from the same group.