• Journal of The Korean Association For Science Education
• /
• v.25 no.2
• /
• pp.88-97
• /
• 2005

The purpose of this study was to investigate explanations of science textbooks and science teachers' conceptions related to freezing point depression phenomenon. Seven kinds of middle school science textbooks and five kinds of high school chemistryII textbooks were analyzed for the purpose. The teachers' conceptions were searched by a questionnaire developed in this study. The subjects were 146 science teachers. The explanation types of science textbooks were divided into two; 'Description of the phenomenon' and 'Vapor pressure lowering'. The explanations in most of middle school science textbooks and high school chemistryII textbooks belong to 'Description of the phenomenon' and there was no explanation of the reason. The graphs related to depression of freezing point were diverse, too. Most of the science teachers also did not have scientific conception. The percentage of the teachers who thought that the cause of freezing point depression was blocking of solute in solution was high. But the teacher could not find meaningful relation the 'Blocking of solute' explanation represented for elevation of boiling point with depression of freezing point. It is insisted that entropy concept is need to explain depression of freezing point phenomenon in this study.

• The Journal of Korean Society for School & Community Health Education
• /
• v.12 no.2
• /
• pp.43-67
• /
• 2011

Objectives: The purpose of this study was to analyze factors affecting school life adjustment of athletes in middle and high school. Methods: The data in this study came from the survey which conducted to 500 students of physical education high school athletes and elite athletes in general school from the beginning of December 2009 to the end of January 2010 in Seoul and Kyunggi. Finally 436 cases was used. The dependant variable in this study was school life adjustment. And the independent variables were socio-demographic factors, stress and depression factors, social support factors. The analysis methods were T-test, ANOVA, correlation analysis, stepwise multiple regression analysis by using SPSS Ver. 12.0. Results: First, there was a statistically significant result between school life adaptation and sex, family circumstances, life satisfaction variables Second, there was a negative correlation between social support and stress, depression. Third, there was a negative correlation between school life adjustment and some stress factors, all depression factors. Also relationship between school life adjustment and social support showed a positive correlation. Fourth, Taking a look at the impact on school life adjustment, family factors and practical environmental factors in the stress factors and the feeling of worthlessness in the depression factors appeared to influence negatively. Also teachers' support in the social support factors showed positive effects. Explanatory power of the final regression model was 25.6%. Conclusions: The first step in order to improve the school life adjustment of athletes in middle and high school is the teachers' support. Athletes in middle and high school can have capability, responsibility, initiatives through teachers' attention and affection. The effective prevention education and health education programs on stress and depression should be introduced and carried out in the health education programs actively for student athletes to be free from stress, depression.

• Journal of Society of Preventive Korean Medicine
• /
• v.24 no.3
• /
• pp.39-47
• /
• 2020

Objectives : The study aimed to investigate the effect of the COVID-19 epidemic on the mental health of elementary and middle school teachers, especially hwabyung, depression, and anxiety. Methods : The participants were teachers of three elementary schools and one middle school in Seoul. The survey was self-reported by online. The questionnaire included hwabyung scale, CES-D, and GAD-7. Results : The survey conducted from November 5th to December 3rd, 2020. A total number of 81 teachers replied to the survey. The hwabyung prevalence was 27.2% by hwabyung symptoms score. The mean hwabyung characteristics score was 30.10±10.55, the mean hwabyung symptoms score was 18.32±12.26. The depression prevalence was 44.4%, mean CES-D was 15.85±11.51. The anxiety prevalence was 43.2%, mean GAD-7 was 5.05±4.53. Conclusions : The survey showed that teachers had a high score of hwabyung, anxiety, and depression in the COVID-19 epidemic. The teachers were in need of help to improve their mental health.

• Korean Journal of Human Ecology
• /
• v.23 no.3
• /
• pp.379-393
• /
• 2014

This study aimed to investigate how child neglect abuse by parents, children's intimacy with teachers and peer attachment influenced boys' and girls' psycho-social maladjustment(aggression, social withdrawal and depression). The subjects were 2,264 elementary school students(boys: 1,180, girls: 1,084) in upper grades participating in the Korea Child Youth Panel Surveys. The data were analyzed with descriptive statistics, correlations and hierarchical regressions. The main results of this study were as follows. Firstly, regardless of children's sex, as child abuse levels by parents are higher, so children's aggression levels are higher. Also, children's intimacy with teachers and peer attachment moderated the effects of child neglect abuse by parents on both boys' and girls' aggression. But the patters of moderating effects were differed in children's sex. Secondly, child neglect abuse by parents didn't influence boys' and girls' social withdrawal and boys' peer attachment moderated the effects of child neglect by parents on boys' social withdrawal. Finally, child abuse by parents strongly influenced boys' depression, but child neglect by parents strongly influenced girls' depression. Also, there were no moderating effects of children's intimacy with teachers and peer attachment on the relation between child abuse neglect by parents, and boys' and girls' depression.

• Journal of Fisheries and Marine Sciences Education
• /
• v.20 no.3
• /
• pp.390-399
• /
• 2008

The purpose of this study is to clarify variables dichotomizing adolescents into online game addiction-latency group and non-addiction group. Based on ecologic theory, individual system(self-esteem, self-control, depression, stress-coping strategy), family system(parental support), and social system(teachers' support and peer-group support) were suggest for variables affecting online game addiction of adolescents. 612 adolescents were tested for game addiction, self-esteem, self-control, depression, stress-coping strategy, and social supports from parents, teachers, and peer group. Independent t-tests showed between-group differences in self-esteem, self-control, depression, aggressive, and negative-avoiding stress-coping strategies, parental support, and peer-group support. Binary logistic regression analyses revealed that aggressive stress-coping strategy of social system and peer-group support of social system had significant influences on the division of the groups.

• Journal of Families and Better Life
• /
• v.19 no.3
• /
• pp.105-118
• /
• 2001

The purpose of this study was to examine the influences of child abuse, teachers violence, and peer victimization on childrens adjustment. The 451 subjects(238 boys and 213 girls) were selected from the 5th graders of elementary schools and 2nd graders of middle schools in Pohang City. The subjects reported child abuse, teachers violence, victimization by peers, self-esteem, depression, and anxiety. The data were analyzed by factor analysis, Cronbach $\alpha$, t-test, and multiple regression. The main findings of this study were as follows: (1) Boys were more focused on physical.emotional abuse, physical.verbal victimization, and physical violence by teacher than girls. (2) Elementary school students were more focused on violence by teacher and peers than middle school students. (3) Influences of child abuse, teachers violence, and peer victimization on childrens self-esteem, depression, and anxiety had difference among subtypes of child abuse, teachers violence, and peer victimization.

• Journal of Korean Elementary Science Education
• /
• v.32 no.2
• /
• pp.206-224
• /
• 2013

The purpose of this study is to investigate the elementary pre-service teachers' conceptions on 'the freezing point depression' focusing on the survey from a National University of Education. Eighteen pre-service teachers who had completed high school Chemistry II coursework were selected to participate in the study. Participants answered a four question survey to measure their scientific knowledge and conceptions of this phenomenon. Each answer was qualitatively analyzed to determine whether they have 'scientific conceptions' or 'quasi-scientific conceptions' or 'misconceptions'. The results from the study are as follows: First, it was showed that none of the eighteen participants had 'scientific conceptions', six had 'quasi-scientific conceptions' and eight had 'misconceptions' about the caused effect when $CaCl_2$ is scattered on the ice. Second, it was found that three participants had 'scientific conceptions', eight had 'quasi-scientific conceptions' and two had 'misconceptions' for the second survey question. Third, ten out of eighteen participants demonstrated 'scientific conceptions' about the phenomenon of salt water freezing. Fourth, only three of eighteen participants illustrated appropriate 'scientific conceptions' for the fourth survey question. Fifth, of all participants, none answered more than three questions correctly, and only three participants answered any combination of two questions correctly. Based on the findings of this study, five explanatory models were developed. And the models were proposed for pre-service teachers to enhance their understanding of the freezing point depression phenomenon.

• Journal of Families and Better Life
• /
• v.17 no.3
• /
• pp.103-116
• /
• 1999

This study was executed to examine the effect of group-psychotheray oriented psychodrama on child's depression. For this study self-reporting Kovacs's children's depression inventory(C.D.I) was administered for primary school children. and 8 children were selected in experimental and control group each. The experimental group acted the psychodrama for 15 session. The first follow-up test was executed at 8 weeks after pre-test and second follow-up test at 10 weeks after first follow- up. Every time children acted the psychodrama all behaviors had been recorded. Also in order to find out any changes in daily life after the psychodrama their parents class teachers and children themselves were interviewed. Basal depression level was 23.38 for experimental group and 23.63 for control group. Depression level of experimental group was reduced to 12.38(p<0.01) There was significant difference in depression level between experimental and control group (p<0.01) Reducing effect of experi ental group by the psychodrama was maintained as well. As a result group psychotherapy oriented psychodrama was effective to reduce depression level of childern. Group psychotherapy oriented psychodrama program for children need to be developed for more effectiveness.

• Journal of Korean Home Economics Education Association
• /
• v.25 no.4
• /
• pp.1-12
• /
• 2013

The purpose of this study was to investigate the gender and sibling composition differences in psychological well-being, and to analyze the effects of family and school environment on psychological well-being among Chinese adolescents. Data from 453 students of middle school were used for final analysis. This study found that only child adolescents showed higher levels of self-esteem and low levels of depression than adolescents with sibling. Regression analysis revealed that self-esteem were influenced by relations with teachers, peer relations and marital conflict among male only child adolescents and female adolescents with sibling. Self-esteem of female only child adolescents was affected by parenting behavior and relations with teachers, and self-esteem of male adolescents with sibling was affected by relations with teachers. Relations with teachers and parenting behavior had impact on depression of Chinese adolescents, but depression was not influenced by peer relations.

• Journal of the Korean Home Economics Association
• /
• v.47 no.1
• /
• pp.55-63
• /
• 2009

The purpose of this study was to analyze the path model about the emotional intelligence of multicultural preschoolers'. Multicultural mothers(N = 89) were administered questionnaires on social support, marital satisfaction, depression and mother-child relationship. Teachers(N = 89) were administered a questionnaire on preschoolers' emotional intelligence. The results indicates three things. First, social support effects marital satisfaction directly and mothers' depression indirectly. Second, mothers' depression effects preschoolers' self regulation and other regulation directly. And third, social support, marital satisfaction, mothers' depression effects preschoolers' self cognition indirectly through parent-child relationship.