• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.18 no.8
• /
• pp.231-239
• /
• 2017

This study was conducted to provide basic data about the depression of parents with school-aged children by identifying the actor and partner effects of family interaction and self-esteem on depression among parents with school-aged children. Data on 1,475 pairs from the Wave 7 Panel Study on Korean Children were analyzed by using the SPSS 18.0 program and the AMOS 18.0 program. From the analysis of a hypothetical model, parents' family interaction exerted an actor effect on self-esteem. Mother's family interaction and self-esteem exerted an actor effect on depression; however, the partner effect on father's depression was not statistically significant. Father's family interaction and self-esteem exerted an actor effect on depression; however, the partner effect of father's family interaction on mother's depression was not statistically significant, and only father's self-esteem exerted a partner effect on mother's depression. The study results are as follows. First, the affecting factors of depression in school-aged parents, which are directly related to the depression of the child, were identified and the basic data of nursing intervention for the parents'. It is expected that clinical nurses will be used as data to convey professional knowledge to control parents' depression.

• Proceedings of the Korean Magnestics Society Conference
• /
• 2010.06a
• /
• pp.8-9
• /
• 2010

• The Journal of the Korea Contents Association
• /
• v.19 no.3
• /
• pp.89-99
• /
• 2019

This study was conducted to examine the mediating effects of social anxiety and academic self-efficacy in the relationship between adolescent covert narcissism and school life adaptation. The subjects were 423 middle school and high school students. The results of this study are as follows: First, covert narcissistic personality tendency had a negative correlation with school life adaptation(r=-.51, p<.01). Covert narcissism had significant positive correlation with social anxiety(r=.70, p<.01) but had negative correlation with academic self-efficacy(r=-.39, p<.01). Social anxiety showed a significant negative correlation with school life adaptation(r=-.50, p<.01), academic self-efficacy had a positive correlation with school life adaptation(r=.63, p<.01), and social anxiety had a negative correlation with academic self-efficacy(r=-.51, p<.01). Second, as a result of verifying the mediating effects of social anxiety and academic self-efficacy, academic self-efficacy has mediating effects on the relationship between covert narcissism and school life adaptation(${\beta}=.41$, p<.001), and social anxiety has no mediating effect on school life adaptation(${\beta}=-.05$, p<.001). The results of this study suggest that If adolescents with covert narcissism have difficulties in adapting to school life, increasing academic self-efficacy, especially self-control efficacy and self-confidence, may be helpful to improve adolescents' adaptation to school life.

• Journal of the Korean Magnetics Society
• /
• v.8 no.2
• /
• pp.93-98
• /
• 1998

Magnetic fluids have been used in the commercial area, e. g damping, sealing and hydrodynamic bearing. In this study, magnetic fluid was made for damping in loudspeaker. The magnetic fluids were snthesized by dispersing the magnetite powder which was obtained by precipitation method in Yubase oil. When the magnetic fluid was applied to a 6 cm tweeter, improvements of damping, centering and heat transger in a loudspeaker were noted. Also we compared the performance of the magnetic fluid with 20 % magnetite in the oil and the one of APG-815 (Niphon Ferrofluidic Co.)

• 한국정보교육학회:학술대회논문집
• /
• 2008.01a
• /
• pp.129-135
• /
• 2008

본 연구는 인간의 자아표현 욕구와 창조적 욕구로 인해 자신을 대체할 산물들을 끊임없이 만들어 내는 과정에서 중요하게 작용되는 자기노출라는 심리를 이용하여 아바타와 학습자의 얼굴을 합성하는 증강가상을 통하여 가상세계에서의 현실감을 부여함으로써 학습자의 몰입을 유도하여 그 교육적 효과를 증대하고자 하였다. 이를 실증하기 위하여 컴퓨터기반으로 컨텐츠를 개발한 후, 로봇 컨텐츠로써의 활용을 위해 컨버팅하고 자동 로딩을 통한 학습자의 사진을 아바타와 합성시켰다. 실험 결과 자기노출기반 컨텐츠의 효과는 모든 집단의 경우에서 학습에 대한 집중도에는 긍정적인 영향을 주었으며, 학업성취도에는 유의미하지는 않지만 긍정적 효과를 가지는 것으로 나타났다. 이는 교육용 로봇을 활용한 자기노출 개념 적용에 대하여 긍정적인 결과라고 보여지는데, 보다 유의미한 결과를 얻기 위해서는 단순히 사진을 찍어 로딩시키는 증강가상보다는 얼굴검출을 통한 실시간 증강가상과 같이 증강가상 효과의 증대가 필요하다고 하겠다.

• The Journal of the Korea Contents Association
• /
• v.20 no.4
• /
• pp.475-486
• /
• 2020

This study aims to discover the mediating effect of Self-Encouragement and Self-Discouragement on the Relationships between Fear of Negative Evaluation and Social Interaction Anxiety. A questionnaire was conducted on 319 university students and the data was analyzed with Pearson's correlation and regression. As a result, there was a positive correlation between Fear of Negative Evaluation and Social Interaction Anxiety. Also, Fear of Negative Evaluation and Social Interaction Anxiety were positively correlated with Self-Discouragement and negatively correlated with Self-Encouragement. Next, multiple regression showed that Self-Discouragement has a perfect mediating effect and Self-Encouragement has a partial mediating effect on the Relationship between Fear of Negative Evaluation and Social Interaction Anxiety. These results imply that counselee with Social Interaction Anxiety can be treated effectively by promoting self-encouragement.

• Journal of Digital Convergence
• /
• v.18 no.4
• /
• pp.461-467
• /
• 2020

The purpose of this paper was to investigate the relationships among college students' life stress, self-efficacy, locus of control, and subjective well-being. A total of 279 college students participated in this study. It was administered a questionnaire consisting of questioned of concerning life stress, self-efficacy, locus of control, and subjective well-being. The correlation analysis and the analysis of mediating effect were conducted on the data. The main results of data analysis showed (1) correlations among life stress, self-efficacy, locus of control, and subjective well-being, (2) significant mediating effect of self-efficacy between life stress and subjective well-being. The direction of a further study was suggested.

• Journal of the Mineralogical Society of Korea
• /
• v.27 no.4
• /
• pp.311-320
• /
• 2014

A magnetic separation study was conducted for a soil sampled from a landfill site where steel slag had been dumped for a long time. Heavy metal concentrating effect was evaluated by analyzing heavy metal content of magnetically separated soil and passed through soil. The effect was compared between soil after soil-washing process and original landfill soil and the effect was also tested between wet condition-magnetic separation and dry condition-magnetic separation. Separated ratio was relatively higher in non-soil washed sample. The water content has no significant effect on the separation rate. The concentrating effect of Fe, Pb, Cu, and Cd were 3.2, 2.1, 12.1, 2.5, 1.5 and 17.4, 7.0, 15.7, 9.6, 7.0 respectively for non-soil washed sample and soil washed sample. We can expect a bigger volume reduction effect from soil-washed samples. The volume reduction effect was obtained from the separation in dry condition. However, when the separation ratio is too high the volume reduction effect decreases. The magnetic separation leads to a volume reduction and concentration of heavy metals into a portion of soil in case of paramagnetic particles contained soil.

• Korean Journal of Culture and Social Issue
• /
• v.29 no.4
• /
• pp.569-593
• /
• 2023

The purpose of this study was to investigate the mediating effects of rejection sensitivity in pathological narcissism and dating violence, and to verify whether there is a gender difference in each variable, further examining the gender difference in the mediating pathways. The participants of this study were 381 men and women in 20s living across the country, and online self-report surveys was conducted regarding their experiences of pathological narcissism, rejection sensitivity, and four types of dating violence. As a result of verifying gender differences, it was found that women had a higher vulnerability to narcissism, rejection sensitivity and committed more psychological violence, sexual violence, and controlling behavior than men. As a result of the mediation analysis, it was found that rejection sensitivity partial mediated the effect of pathological narcissism on psychological violence and control behavior, but it showed a complete mediation effect on sexual violence. And there was no mediating effect of rejection sensitivity between pathological narcissism and physical violence. As a result of measuring the moderating effect of gender in this mediating pathways, the moderated mediating effect of gender was verified in the effect of naricissistic grandiosity and narcissistic vulnerability on control behavior through rejection sensitivity. These results show that pathological narcissism promotes psychological and sexual violence in both men and women, and rejection sensitivity acts as a mediator in this process. In addition, the effect of pathological narcissism on the control behaviors through rejection sensitivity was significantly higher in women than in men, indicating that there are gender differences in the mediated pathways. Finally, the implications and limitations of this study and suggestions for follow-up studies were discussed.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
• /
• 2002.04a
• /
• pp.333-338
• /
• 2002

자기베어링의 회전정밀도에 영향을 미치는 인자로 PWM 전력증폭기, 위치 센서 등과 같은 자기베어링 구성 장치의 동특성 및 정밀도, 시스템의 정확한 모델링, 제어기법, 런아웃 등이 있다. 본 연구에서는 능동 자기베어링을 제어하기 위해 자기베어링의 PWM 전력증폭기와 회전축을 모델링하고 이를 바탕으로 능동 자기베어링 제어를 위한 PID 제어기를 구성하였으며, 변위 센서의 부착위치 및 회전축의 진원도의 영향으로 발생하는 주기적인 런아웃 요소를 첨가하여 런아웃의 영향을 확인하였으며, 런아웃 (Runout)에 의해 발생하는 에러(Error)를 효과적으로 제어하여 자기베어링의 제어 정밀도를 향상시키기 위한 방법으로 기본적인 PID 제어기에 최소평균자승(Least Mean Square, LMS) 알고리즘을 적용한 적응 피드포워드 제어기를 구성하여 자기베어링의 능동 제어에서 발생하는 주기적인 런아웃을 효과적으로 제어할 수 있음을 MATLAB을 통한 시뮬레이션을 통해 확인하였다.