• The Journal of the Korea Contents Association
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• v.18 no.12
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• pp.150-160
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• 2018

Purpose: This study was conducted to understand what various factors influence school life adaption of nursing students by measuring life stress, anger and optimism. Methods: The subjects were 186 students in B city and the data were collected for the period of 17-28 April 2017. The collected data were analyzed with an independent t-test, ANOVA, Scheffe's method, Cronbach's alpha and Pearson's correlation coefficients. The results are as follows respectively: life stress 1.34/4, state anger 1.24/4, trait anger 1.57/4 at average, and among optimism was 3.45/5 at average. Multiple regression analysis showed perceived physical health status(${\beta}=.20$ t=2.72, p=.007), satisfaction on college(${\beta}=.19$, t=2.53 p=.012) and life stress (${\beta}=-.14$ t=-2.28, p=.027) were related to factors. They accounted 18.2% of the optimism of the subjects. However, there was no significant correlation between optimism and anger of nursing students. Conclusion: It is necessary to develop a program to improve the optimism of nursing college students and to develop a program that can enhance the coping ability of stress to cope with life stress experienced by nursing students.

• Korean Journal of Child Education & Care
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• v.19 no.2
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• pp.117-128
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• 2019

Objective: The purpose of this study is to investigate the effect of mother's acceptance parenting attitude and optimism on children's self-regulation including cognitive, emotional, and behavioral regulation. Methods: The subjects were 361 3, 4, 5 - year - old children and their mothers who attended to the early childhood education institutions. One-way ANOVA was conducted to find out age differences in self-regulation. The regression analysis were conducted to find out whether the mother's optimism could predict their children's self-regulation. The stepwise regression analysis were conducted to find out whether the mother's acceptance parenting attitude could predict their children's self-regulation. Results: As for the self-regulation, there were significant age differences in the cognitve regulation and the behavioral regulation, but not in the emotional regulation. It implies that the abilities of cognitive and behavioral regulation increase as the age level goes up. As for the relations between mother's optimism and their children's self-regulation, only the permanence factor of the mother's optimism predicted children's cognitive, emotional, and behavioral regulation. As for the relations between mother's acceptance parenting attitude and their children's self-regulation, two components of mother's acceptance parenting attitude (unconditionally love & right) could predict children's cognitive, emotional, and behavioral regulation. The component of unique could predict the cognitive and emotional regulation. Conclusion/Implications: These results suggest that mother's optimism and acceptance parenting attitude positively affect on the development of self-regulation ability in children.

• The Journal of Korean Society for School & Community Health Education
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• v.15 no.1
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• pp.61-75
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• 2014

Objectives: The objective of this study is to analyze the relationship among self-esteem, optimism, and smart phone addiction of middle school students and examine the variables on smart phone addiction. Methods: Data were collected by questionnaires from 475 middle school students in U city. To analyze the sample survey data, descriptive statistics, t-test, ANOVA, duncan test and multiple regression analysis were performed with SPSS/WIN 15.0. Results: There were statistically significant differences among general characteristics sex, grade, school record, satisfaction with school life, economic state, romantic relationship, the period of smart phone usage, and smart phone usage fee with smart phone addiction. Also, there were significant negative relationships between self-esteem and optimism. Significant factors that affect smart phone addiction in middle school students were sex, self esteem, smart phone usage fee. These variables explained 10.8% of smart phone addiction. Conclusions: The results of this study reveal that the significant factors of smart phone addiction are sex and self-esteem. This study indicates that it is important to develop self esteem promotion programs that focus on sex trait in order to prevent smart phone addiction on adolescents.

• Journal of Korean Academy of Nursing
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• v.49 no.3
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• pp.241-253
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• 2019

Purpose: This study aimed to develop and test a model of the happiness of mothers with young children based on the stress-coping-adaptation model of Lazarus and Folkman. Methods: The data collection period was from May to July 2016. A self-report questionnaire was used to collect data from 210 mothers with children under 5 years of age living in Seoul, Gyeonggi, and Gangwon provinces. The exogenous variable was parenting stress, and the endogenous variables were parenting alliance, depression, optimism, ways of coping, and happiness. Data from 201 questionnaires were analyzed using the SPSS 22.0 and AMOS 20.0 programs. Data analyses included descriptive statistics, factor analysis, and structural equation modeling. Results: The final modified model showed a reasonable fit to the data, and out of 25 paths, 13 were statistically significant. This model explained 78.4% of the variance in the happiness of mothers with young children and confirmed that depression, optimism, parenting alliance, and social support-focused coping have a direct effect on the subject's happiness. Parenting stress also influenced happiness through parenting alliance, depression, and optimism. Conclusion: In order to bolster the happiness of mothers with young children, positive psychological interventions that can minimize psychological vulnerabilities, such as depression, and that can enhance their strengths, such as optimism, may serve as effective ways of coping with and adapting to stress.

• Korea Trade Review
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• v.44 no.3
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• pp.203-226
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• 2019

This study incorporates the structural relationships between leadership styles (LS), affect climate (AC), and organizational performance (OP) in Korean export manufacturing companies with three or more overseas subsidiaries. A theoretical model is suggested with the following empirical results. First, the positive effect of engaging leadership (EL) on organizational citizenship behavior (OCB), as well as of engaging leadership, involving leadership (IL), and goal-oriented leadership (GL) on team performance (TP), proved to be significant. Second, both engaging leadership and goal-oriented leadership have significant positive effects on optimism, while involving leadership has significant negative effects on pessimism. Third, only optimism has a positive (+) effect on OCB and TP. The mediating effects were proved to be significant in two paths: one in EL->optimism->OCB and the other in EL->optimism->TP. Finally, in responding to rapid changes in the external environment of exporting companies, the engaging leadership is a key source of organizational performance by forming a favorable affect climate. Therefore, top management should recognize the role of team leaders and strengthen their leadership training. In addition, it was confirmed that leaders with emotional intelligence that can respond to the affects of members play a more important role in forming an optimistic climate in Korea export manufacturing enterprises with foreign subsidiaries.

• Journal of the Korean Society of Food Culture
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• v.23 no.4
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• pp.421-426
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• 2008

The purpose of this study was to measure the effects of trust, knowledge, optimism, risk and benefits on consumer attitudes toward genetically modified foods. A total of 326 questionnaires were completed. Moderated regression analysis was used to measure the relationships among the variables. The analysis results for the data indicated a good model fit in Model 2 rather than Model 1, in which the direct effects of trust, optimism and benefits had statistically significant direct effects on the respondents' attitudes toward genetically modified foods, while the direct effects of knowledge and risk were not statistically significant. As expected, the interaction term of risk and benefit had a significant effect on consumer attitude. Moreover, the effect of risk on consumer's attitude toward genetically modified foods was statistically significant at all levels of benefit, except at the lower benefit level. Finally, the results of this study indicated that genetically modified food developers and marketers should attach importance to the interaction effect of benefits to understand the elements of market demand and customer loyalty.

• The Journal of the Korea Contents Association
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• v.17 no.2
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• pp.82-95
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• 2017

This study is to examines how cognized parental attachment influence college life adjustment and measures the mediating role of dispositional optimism. 253 Chinese international students participated this study. The data were analyzed by frequency analysis, factor analysis, correlation analysis, multiple regressions analysis, Sobel Test via SPSS 18.0 program. Age, educational background, proficiency of Korean, along with cognized communication, faith yielded positive correlation with college life adjustment. And alienation was negative correlation. The data were collected through convenience sampling method. Age, proficiency of Korean, alienation which is one of the lower factors of cognized parental attachment and dispositional optimism have a positive effect on college life adjustment respectively. The results indicate that the mediating effect of dispositional optimism is statistically significant on the relationship of cognized parental attachment and college life adjustment. Based on the aforementioned results, In order to improve the college life adjusting ability of Chinese international student, not only stable parental attachment, but also seek method to improve filial personal optimistic cognition.

• Journal of East-West Nursing Research
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• v.20 no.1
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• pp.63-71
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• 2014

Purpose: This study proposed to identify the mediating effect of social support and stress on optimism and psychological well-being in clinical nurses. Methods: Data were collected through structured questionnaires. The participants of this study were 207 clinical nurses who worked at hospitals in the metropolitan cities of B & U. Data were collected from September 3 to September 30, 2013. The data were analyzed using t-test, ANOVA, Scheffe's test, Pearson's correlation coefficients, and multiple regression with SPSS WIN v 20.0. Results: The mean scores of optimism, social support, stress, psychological well-being were $3.61{\pm}0.62$, $3.65{\pm}0.64$, $0.82{\pm}0.59$, $3.36{\pm}0.38$ respectively. Social support and stress showed mediating effects between optimism and psychological well-being. Conclusion: Based on this study, intervention programs to reduce stress and create support systems for clinical nurses should be developed to improve their psychological well-being.

• Proceedings of the KSME Conference
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• 2007.05a
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• pp.712-717
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• 2007

This study deals with the TE(Transmission Error) of gear tooth profile by modifying a profile and lead of a surface of tooth. First, we experimentally confirmed that the TE is a synthesis of the sliding velocity between both gears. Since various types of TE appear in the experiments, we introduced definition of transmission error and the optimism design by modifying a surface parameters. The test stand's performance is then evaluated through a series of multiple torque transmission error tests. Comparisons are made between data recorded before and after the test stand's redesign, and subsequently repeatability studies are performed to verify the veracity of the measured data. Finally, the experimental results are compared to the analytical predictions of two different gear analysis programs.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.15 no.1
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• pp.26-37
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• 2007

This study examines how the cognitive-behavioral group counseling influence on the career stress, the self-efficacy and the optimism for the coping of the career stress of students in department of aeronautical science and flight operation of H Aerospace University. The subjects of this research were 27 freshmen in the department of aeronautical science and flight operations of H Aerospace University. They were divided into 2 groups: experimental group and control group. The experimental group got the group counseling program 7 times for 3 weeks. The results show that the cognitive-behavioral group counseling program can be a very useful tool to reduce career stress and to enhance self-efficacy and optimism of students.