• Korean Journal of Child Studies
• /
• v.24 no.2
• /
• pp.123-134
• /
• 2003

The after-school self-esteem program developed for this study consisted of 53 40-minute sessions; its goal was to instill a sense of self-reliance, belonging to society, self-worth, self-control, independence, responsibility, and respect. The program was administered to 32 first, second and third grade elementary school children from April 2002 to September 2002. The data were analyzed by frequency, mean, and paired t-test, using the SAS program package. Results showed significant before and after differences in the degree of self-esteem among the participants in the after-school self-esteem program.

• Journal of Korean Home Economics Education Association
• /
• v.29 no.3
• /
• pp.125-140
• /
• 2017

The purpose of this study was to investigate the relationship of covert narcissism and the sense of alienation with SNS addiction proneness and the influence of them on SNS addiction proneness in order to find a way to conduct an intervention for the SNS addiction proneness of middle school students, and verify the mediating effect of self-esteem on the relationship between covert narcissism, the sense of alienation, and SNS addiction proneness. For this purpose, data were collected online from the first to third grade middle school students who had the experience of using SNS within the past one week, and finally, the data of a total of 341 participants were used for analysis. First, as a result of the analysis of the correlation between covert narcissism, the sense of alienation, self-esteem and SNS addiction proneness, covert narcissism and the sense of alienation showed a significant positive correlation with SNS addiction proneness. On the other hand, there was a significant negative correlation between self-esteem and SNS addiction proneness. Second, the investigation of the effects of covert narcissism, alienation, and self-esteem on SNS addiction proneness showed that covert narcissism, the sense of alienation, and self-esteem had a significant effect on the SNS addiction proneness. The higher the levels of covert narcissism and the sense of alienation, the higher the level of SNS addiction proneness. On the other hand, the higher the level of self-esteem, the lower the level of SNS addiction proneness. Third, the mediating effect of self-esteem was verified for the relationship of covert narcissism and the sense of alienation with SNS addiction proneness. Although covert narcissism and the sense of alienation may directly affect SNS addiction proneness, it was found that they had a significant effect on the SNS addiction proneness through self-esteem as a mediating variable. In other words, it was found that as the levels of the covert narcissism and the sense of alienation were increased, the level of the self-esteem was lowered, which led to a higher level of SNS addiction proneness. In order to form a proper network culture for adolescents, education on appropriate use of SNS that can be put into practice in everyday life should be conducted, and healthy and desirable SNS culture should be created. In addition, systematic education and management should be provided so that students can develop the ability to control and regulate themselves.

• Journal of the Korean Society of School Health
• /
• v.20 no.2
• /
• pp.91-102
• /
• 2007

Purpose: This study was performed to determine the levels of psychosocial distress among high school students to reveal the various related factors. Methods: Self-administered questionnaires were administered between June 1st and July 31th, 2006, to 992 different high school students in Daejeon City. The survey items included questions concerning the subjects' family and school life characteristics, health-related behaviors, sense of self-esteem, and locus of control. Results: The results showed that 27.8% of the subjects were categorized as high risk stress, 66.6% as latent stress, and 5.5% as normal. The level of psychosocial distress was found to be influenced by various related factors such as family and school life characteristics, health-related behaviors and personality traits (locus of control, self-esteem). Conclusion: The above results of the study suggest that the more stresses the high school students felt, the higher the correlation with self esteem and self control. Therefore, it is required that there be more development of programs designed towards harmonizing human relationships, promoting regular life styles and positive self perceptions; as well as building self confidence and assisting in course selection. Also, there is a need for further research and education in accessing effective strategies for coping with stress.

• Journal of Korean Library and Information Science Society
• /
• v.44 no.3
• /
• pp.125-152
• /
• 2013

The purpose of this study is to construct a substantive theory that described and explained how pregnant women are seeking information in context of pregnancy. A qualitative design based on the method of grounded theory was utilized. In-depth interviews were conducted with 16 pregnant women, selected by theoretical sampling who receiving antenatal care 3 different university hospitals. The interview data were transcribed and systematically analyzed according to the open coding, axial coding and selective coding. 'Increasing Sense of Self-Control over Pregnancy' was the core category for describing and guiding the process of seeking information during the pregnancy. To construct a theory of 'Increasing Sense of Self-Control over Pregnancy' in this study, eight hypothetical statement were generated from the relationships among the core category and the other categories, thus four patterns were derived as follows: 'Desperately Seeking', 'Actively Seeking', 'Unconcernedly Seeking', 'Resignedly Seeking'. The implications of the findings are discussed in terms of development of LIS theory in Korea, theory development of information behavior, education for LIS, and information service practice. The suggestions for further research are provided.

• Proceedings of the KSME Conference
• /
• 2000.04a
• /
• pp.475-480
• /
• 2000

A new positioning mechanism with Parallel type actuator using piezoelectric material and with dual type actuators using voice coil motor (VCM) and piezoactuator is proposed for optical disk drive or near-field recording type drive, and high speed position and vibration control are investigated. Parallel type bimorph piezoactuator is used as a fine motion actuator with self-sensing technique, which allows a piezoelectric material to concurrently sense and actuate in a closed loop frame work, and positive position feedback control algorithm is adopted to further control residual vibration. For positioning control of VCM, PID control algorithm is adopted.

• Journal of the Korean Society for Precision Engineering
• /
• v.18 no.4
• /
• pp.203-208
• /
• 2001

In this paper, a novel dual-type positioning mechanism using a voice coil motor(VCM) and a piezoelectric actuator is proposed for optical disk drive or near-field recording type drive. The VCM is used for a coarse motion actuator and the piezoelectric actuator, "S" configuration deflection motion when voltage applied, is used for a fine motion actuator with self-sensing technique, which allows it to sense and actuate simultaneously in a closed loop frame work. When the VCM rotates and stops, a position feedback control algorithm is adopted to further control residu vibration. The performance of the control scheme is confirmed through simulations and experiments.

• 제어로봇시스템학회:학술대회논문집
• /
• 2002.10a
• /
• pp.42.6-42
• /
• 2002

Kohonen's self organizing feature map (SOFM) converts arbitrary dimensional patterns into one or two dimensional arrays of nodes. Among the many competitive learning algorithms, SOFM proposed by Kohonen is considered to be powerful in the sense that it not only clusters the input pattern adaptively but also organize the output node topologically. SOFM is usually used for a preprocessor or cluster. It can perform dimensional reduction of input patterns and obtain a topology-preserving map that preserves neighborhood relations of the input patterns. The traditional SOFM algorithm[1] is a competitive learning neural network that maps inputs to discrete points that are called nodes on a lattice...

• Korean Journal of Child Studies
• /
• v.18 no.2
• /
• pp.163-176
• /
• 1997

Using survey data collected from 275 adolescent children of widowed or divorced single mother families, this study investigated the characteristics of family coping resources, including individual, financial, social, and mother-child relational resources and their effects on the psychological wellbeing of these adolescents. After controlling background variables of the family, higher depression among adolescents was associated with low grade point average, mother's high exposure to negative experiences after loss of father, low attachment to mother, and low sense of self-control. Furthermore, higher grade point average, strong attachment to mother, and high self-control in problem solving were factors predicting higher self-esteem of adolescents. Social network resources were not related to the psychological well-being of the adolescents. Discussion included recommendations for future research. Implications for policy and parent-child relations were discussed with a view to enhancing family functioning of adolescents in single-mother families.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.21 no.2
• /
• pp.479-494
• /
• 2020

The purpose of this study is to systematically analyze through structural relationship analysis the relationship between excessive smartphone use by adolescents and school adaption. A questionnaire was administered to 866 elementary, middle and high school students who are using smartphones SEM was applied to the analysis with the following results. First, the relationship between excessive smartphone use and school adaptation was not significant. Second, the relationship between social support and excessive smartphone use had significant influence. Third, there is a significant influence in the relationship between self-control and excessive smartphone use. Fourth, social support and self-control of adolescents had a direct influence on school adaptation. Fifth, social support and self-control mediate the relationship between smartphone overuse and school adaptation. Therefore, increasing the adaptability of adolescents requires efforts to firm social support system by expanding autonomous sense or self-control personally and mutual support in the family.

• The Journal of the Korea Contents Association
• /
• v.21 no.10
• /
• pp.723-737
• /
• 2021

This study attempted to understand the meaning and nature of the drinking experience of participants participating in self-sufficiency program with alcohol problems. For this, data were collected by conducting in-depth interviews with seven problem drinkers currently participating in the self-support work project at the local self-support center. It was analyzed by a phenomenological analysis method. As a result of the study, 26 topics, 7 thematic vowels, and 3 categories were derived. The essential meaning of the study participant's drinking experience is as follows. It turned out to be 'a sense of accomplishment and belonging to job performance', 'extension of work life', 'maintaining social relations', 'weekly control drinking for self-support', 'minimum effort not to damage the working environment', 'self-criticism and reflection on absence from work resulting from heavy drinking', 'self-awareness of drinking problems. Through the analysis, the participants drank with a sense of accomplishment and a sense of belonging to job performance, and drinking was considered to extend their work life and maintain social relationships. At the same time, on weekdays when participating in self-support work projects, they we refrain from drinking in their own way and make minimal efforts not to interfere with the working environment under a hangover. The Absent from work due to heavy drinking led to self-reflection and furthermore, it was confirmed that they were aware of their problem drinking.