• Journal of Digital Convergence
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• v.16 no.1
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• pp.73-83
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• 2018

The purpose of this study was to investigate the effects of career decision self-efficacy and career maturity on employment stress in order to investigate the factors that can lower employment stress. For this purpose, the subject of 3rd and 4th grades 502 students in S university was analyzed by hierarchical regression analysis. The results of this study are as follows. First, gender and age were found to affect overall employment stress. Female students had higher employment stress than male students, and the older they were, the higher the employment stress. Second, career decision self-efficacy and career maturity had negative effects on employment stress. This study will be used as basic data for the career guidance of university authorities.

• The Journal of the Korea Contents Association
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• v.20 no.1
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• pp.505-518
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• 2020

This study is a life history on self-realization of woman in the abstinence of alcohol process. The purpose of the study is to explore the circumstance of female alcoholism, to expand the prospect of discussion for treatment and recovery, and to suggest social welfare intervention measures. The study involved a female alcoholic who had been recovering for more than seven years, and the text for life history analysis was divided into 'dimension of life', 'turning point' and 'adaptation' based on the life history analysis framework proposed by Mandelbaum. As a result of the data analysis, 'dimension of life' was analyzed into three areas, such as the personal level of life, the family level of life, and the social dimension. 'Turning point' is to escape from a father who drinks alcohol and uses violence, to give up his job to avoid boss's abuse, and to proceed one's own way of healing. 'Adaptation' was derived into good at studying, relieving anger by drinking alcohol, and referring to AA and self-realization. Based on these findings, this study presented the social welfare practice and policy discussion focused on self-realization.

• The Journal of the Korea Contents Association
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• v.20 no.1
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• pp.573-580
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• 2020

The purpose of this study was to explore and to suggest the effective teaching methods for university students to improve their speaking abilities through peer assessment-feedback and self assessment-feedback based presentation and debate class. The objects and content of the study were the students who took a class "Reading and Communication" of H university, and here examine closely the speaking activities and their effects during the integrated activities of 'reading, speaking and writing'. In speaking education peer and self assessment feedback is to form an emotional consensus among the students and encourage active participation, and enable self-discovery and communication learning to students. As a result of the study, it was found that the variety speaking practice had a very positive effect on the attitude of speaking and the psychological aspect, and it was confirmed that the evaluation and feedback activities had a meaningful learning effect on the students. Effective speech education and guidance measures should be continuously studied and developed.

• Journal of Digital Convergence
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• v.19 no.10
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• pp.521-533
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• 2021

The purpose of this study is to explore the self-directed learning experiences of nursing student in an online learning. Data collection was conducted through three focus group interviews from July to August 2021, and the subjects of the study were 15 nursing students who experienced online learning. For analysis, all interviews were recorded and transcribed as the participants said, and analyzed using qualitative content analysis. As a result of the study, 4 categories and 11 subcategories were derived. The four categories which nursing students experienced on online self-directed learning were 'cognitive action of learning motivation', 'preparing my own learning strategy through reflection', 'creating an environment that supports learning', and 'effective online instructional design and enthusiasm of instructors.' The results of this study can be used as basic data for preparing self-directed learning strategies of nursing students in online learning.

• Journal of Digital Convergence
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• v.17 no.6
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• pp.279-286
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• 2019

This study was aimed to verify the influencing factors on wellness by examining the relationships between self-efficacy for exercise, psychological need satisfaction in exercise, and wellness. The subjects of this study were self - report questionnaires collected from 88 male and female adults aged between 19 and 60 years during April 6 ~ June 8, 2017. The collected data were analyzed by SPSS/WIN 22.0 program using descriptive statistics, Pearson correlation coefficient analysis, and multiple regression analysis. As results of multiple regression analysis, the factors affecting on the wellness of adults were a relatedness of psychological need satisfaction in exercise(${\beta}=.316$, p=.012) and self-efficacy for exercise(${\beta}=.279$, p=.008). Based on the results of this study, it is necessary to implement and develop a tailored wellness program that improves the psychological need satisfaction in exercise and exercise self-efficacy for adults.

• The Journal of the Convergence on Culture Technology
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• v.7 no.1
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• pp.309-316
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• 2021

The purpose of this study is to verify the effectiveness of community-based learning(CBL) on career decision-making self-efficiency of junior college students and explore the meaning. This study was conducted on 68 students and 10 departments participating in the CBL, which was supported by the D University Faculty Learning Development Center in Busan. First of all, does CBL affect the career decision-making self-efficiency for junior college students? Second, what is the meaning of CBL for career decisions for junior college students? The effectiveness of the CBL's before and after application surveys has shown statistically significant changes in the career decision-making self-efficiency. The meaning of CBL for learners' career decisions was derived from "improving understanding through on-site application of theory and creating confidence and commitment in their career paths by providing an opportunity to study." Through this, it can be seen that CBL is worth applying as a teaching method suitable for career guidance of junior college students.

• Journal of Korea Game Society
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• v.21 no.1
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• pp.113-124
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• 2021

This study distinguished game use groups by considering adaptive game use and maladaptive game use of middle school students at the same time, and analyzed the difference in lack of self-control, peer-support, and game usage by group. To this end, the data of 287 middle school students was analyzed in the Game User Panel Survey(5th year) of the KOCCA. As a result of the cluster analysis, the game use groups were divided into the high level coexist group, the adaptive use group, and the normal group. The three groups showed the gap of lack of self-control, peer-support, and game usage.

• Journal of the Korea Convergence Society
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• v.13 no.4
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• pp.469-475
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• 2022

This study examined factors affecting the intention to formal and in formal help in adults with recent suicidal thoughts. 215 adults who were recruited through online community participated in the self-report online survey. The results showed that social support had a significant effect on the formal help seeking. Social support, suicide stigma, and self-Concealment had a significant effect on the informal help seeking. In conclusion, social support had a major influence on the intention of asking for help. These results highlight the need for interventions to increase social support and reduce self-concealment in order to increase the request for help for suicide in the high-risk group.

• The Journal of the Korea Contents Association
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• v.21 no.11
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• pp.826-839
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• 2021

The purpose of this study was to provide instructional implications for synchronous online learning at universities by examining variables that influence the outcome of synchronous online learning and investigating the relationships of the variables. To achieve the purpose, self-regulated learning, social presence, learning engagement and perceived academic achievement were measured by 123 university students who had taken synchronous online learning for spring semester in 2020. The collected data were analyzed through SPSS and SPSS PROCESS macro. The results were as follows. First, self-regulated learning and learning engagement significantly predicted perceived academic achievement while social presence did not. Second, self-regulated learning had a direct effect on perceived academic achievement and had an indirect effect on perceived academic achievement through learning engagement. Third, social presence did not have a direct effect on perceived academic achievement, but had an indirect effect on perceived academic achievement through learning engagement. The implications based on the results were suggested.

• Journal of Intelligence and Information Systems
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• v.28 no.4
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• pp.27-40
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• 2022

Medical AI, which has lately made significant advances, is playing a vital role, such as assisting clinicians with diagnosis and decision-making. The field of chest X-rays, in particular, is attracting a lot of attention since it is important for accessibility and identification of chest diseases, as well as the current COVID-19 pandemic. However, despite the vast amount of data, there remains a limit to developing an effective AI model due to a lack of labeled data. A research that used federated learning on chest X-ray data to lessen this difficulty has emerged, although it still has the following limitations. 1) It does not consider the problems that may occur in the Non-IID environment. 2) Even in the federated learning environment, there is still a shortage of labeled data of clients. We propose a method to solve the above problems by using the self-supervised learning model as a global model of federated learning. To that aim, we investigate a self-supervised learning methods suited for federated learning using chest X-ray data and demonstrate the benefits of adopting the self-supervised learning model for federated learning.