Journal of the Korean Society for Marine Environment & Energy
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v.5
no.3
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pp.45-53
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2002
This investigation is performed to prepare reducing method drained floating debris from the river This paper is present an investigation result of the marine debris characteristics that drained from korea 4 big river(han river, kum river, youngsan river, nakdong river) during July and August. A mount of floating debris different with rainfall. Short heavy rain like as 150mm/day floating debris drained lower, almost floating debris drained when a flooding cause by continuance heavy rain. Floating debris draining is not continuance, but concentrated on a flooding. All debris is do not drained ocean, a lot of debris accumulated riverside. Floating debris is drained with plant and configuration is similar with other river. But, the component ratio is different, so that, to Prepare removing method for floating debris consider that effect of plant debris.
Journal of Information Technology Applications and Management
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v.26
no.3
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pp.99-120
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2019
The purpose of this study is to provide information necessary for establishing a new strategy for customer service improvement by deriving factors affecting user satisfaction and continuous use intention of mobile app service user characteristics, system characteristics, and social characteristics. The results of this study are summarized as follows. First, reliability, innovation, familiarity, convenience, and self-efficacy among the characteristics of mobile app are analyzed as factors that have the greatest influence on user's perceived usefulness. Second, convenience, mobility, and visibility are some of the characteristics of mobile app service. Third, identity, security, and expectation agreement among mobile app service characteristics are analyzed as negative factors that do not affect users' perceived usefulness. Fourth, interactivity, familiarity, and self-efficacy among the characteristics of mobile app service were analyzed as positive factors that have the greatest effect on user's perceived ease of use. Fifth, reliability, mobility, visibility, and convenience among mobile app service characteristics are analyzed as factors that have some positive effects on perceived ease of use of app users. Sixth, identity, innovation, and security among the characteristics of mobile app service are negatively influenced by mobile app users' perceived ease of use. Seventh, the perceived usefulness of mobile app users is analyzed as a factor that has a very positive effect on user satisfaction. Eighth, the perceived ease of use of mobile app users is analyzed as a factor affecting perceived usefulness positively. Ninth, the perceived ease and expectation of mobile app users are positively influenced on user satisfaction. The tenth, the perceived usefulness of the mobile app users was analyzed as a factor having a very positive influence on the persistent intention to use. For the eleventh, the perceived ease of use of mobile app users was analyzed as a factor having a positive effect on the persistent intention to use. The twelfth, mobile app user satisfaction was analyzed as a factor having a very positive effect on the persistent intention to use.
Recent crime is serious. The police who investigate crime seriously impact. It is a psychological impact on the police. police officer or police investigation leaves many great events that have suffered since. In this study, post-traumatic stress disorder (Post Traumatic Stress Disorder; PTSD) have studied the impact policeman impact on organizational commitment. In order to measure post-traumatic stress disorder and divide this study, arousal, avoidance, invasive, post-traumatic stress disorder and sleep disorders in the sub-region. Organizational commitment and affective commitment, continuance commitment and normative commitment divided. We were in Daegu Metropolitan Police Agency survey of police officers belonging to the investigation officer. As a result, the impact on affective commitment invasion. To avoid the influence on continuance commitment. Avoidance of invasive and normative factors had influenced. With the help of information technology.
Objectives: This study has longitudinally analyzed male smokers in order to find out the trend rate of re-smoking after smoking cessation. Methods: The study was conducted with 800 male smokers who were provided with smoking cessation services for 3 years at public health centers from July 16, 2005 to July 15, 2008. Results: The results can be summarized as follows: First, the success rate of smoking cessation for at least 6 months during 3-year period was 54.4%. The failure rate of smoking cessation at the second year was 47.5% and the third 27.2%, which indicates that the failure rate diminishes as the period of smoking cessation extends. Second, the success rate of smoking cessation at the first trial was 35.0%, the second 24.3%, and the third 16.4%. The success rate diminished as the number of trial increased. Third, the continuation rate of smoking cessation for a year was 18.3%, for 2 years 13.4%. For the success group, the continuation rate of smoking cessation for a year was 52.5%, for 2 years 38.2%. For the failure group, the rate for a year was 21.5%. Fourth, in this longitudinal analysis, the most crucial variables that affect the success rate of smoking cessation are total number of consultation and the past experience of successful smoking cessation. Conclusion: This study shows that success of smoking cessation and the continuance of smoking cessation are both difficult, and that the past experience of smoking cessation plays an important role determining the present success of smoking cessation and continuance of smoking cessation. Thus, it is necessary to divide people into success group and failure group based on the results of the past experience of smoking cessation when they consult at smoking cessation clinics at public health centers. Further, in order to increase the continuation rate of smoking cessation, this study suggests that we need to consider ways to take care of those who successfully abstained from smoking for 6 months.
This study aimed to speculate on Youtube for national certification education in makeup in the Untact period derived from the pandemic phenomenon such as the COVID 19. For the purpose, this study surveyed perception on Youtube on national certification education, characteristics of the programs, selection standards, continuance and recommendation intention and supplementations. The results are: The perception on Youtube was very positive(75.5%); Among characteristics, the mean value of informativeness was 3.54, that of play speed control as an advantage was 4.07 and that of feedback limit as a disadvantage was 3.64. In respect to selection standards, 44.5% of the subjects selected a program based on professionalism; 82.0% had continuance intention and 82.6% had recommendation intention. As for the needs of supplementation, the mean value of sanitation education was 4.20, that of updated regulations was 4.13 and that of feedback was 4.0. Therefore, it is suggested that if an interactive education system is supplemented in exact information and feedback, Youtube makeup certification programs will be further facilitated as useful education materials for makeup development.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.12
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pp.578-585
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2020
The purpose of this study was to investigate the Effects of Happiness on Organizational Commitment According to the Socio-demographic Characteristics of Teachers of Infants and Toddlers. The study subjects were 167 infant teachers in Ulsan. The collected data were analyzed through frequency analysis, reliability analysis and correlation analysis on SPSS 22.0 program, and multiple regression analysis was conducted for the causal relation between variables. The analysis results revealed that self-regulating happiness, a sub-factor of happiness of infant teachers, had a significant effect on their affective commitment, but factors of internal and external happiness did not significantly affect affective commitment. Second, self-regulating happiness had a significant effect on their continuance commitment. Third, the self-regulating happiness had a significant effect on their normative commitment. This study is considered to provide the basic data for preparing a practical intervention plan for improving the organizational commitment of infant teachers.
This study examined the factors that influence the turnover intention, job performance of call center representatives based on the adaptive structuration theory (AST). This study intended to empirically examine how individual characteristics of representative affect the technological and task adaptation, how they affect job performance and turnover intention. On the other hand, this study also explains how rational culture and organization a reputation which are considered as dimensions of organizational characteristics affects organizational commitment, and verifies the relationship between organizational commitment and job performance and turnover intention. Finally this paper aim to provide academic and practical implications. In order to solve the above research problems, this research proposed a model based on the adaptive structuration theory. In order to identify the relationship between the proposed variables and the AST for individual, we conducted an empirical test on the call center representatives. The structural equation model was used to verify the research model and hypotheses. The results of the empirical analysis show that the personal characteristics of counselors, such as communication skills, multitasking abilities, and innovativeness have a positive effect on skill adaptation, and skill adaptation has a positive effect on task adaptation, furthermore, it influences on job performance and turnover intention Respectively. In addition, among the factors of organizational environmental dimensions of the call center, it was found that organizational reputation not only increase continuance commitment but also increase normative commitment. Contrary to our expectations, perceived rational culture didn't have a positive effect on organizational commitment. Also, continuance commitment and normative commitment are valid predictors of job performance, but they have nothing to do with turnover intention. On the contrary, emotional commitment is the only one variable among three dimensions of organizational commitment have a positive effect on turnover intention, but is not a valid predictor of job performance.
Purpose: The purpose of this study is to examine the factors affecting the intention to continue using the metaverse platform service from the user's point of view. Methods: The study conducted a survey of experienced people using Zepeto, Ifland, Gather Town, Zep, Roblox, Fortnite, and Minecraft, which are virtual world types among metaverse types, and valid 415 data were analyzed by SPSS (ver 22.0) and R (ver 4.1.0) program packages. Results: As a result of empirical analysis, it was found that interactivity and social presence among the characteristics of metaverse affected expectation confirmation, and sensory affordance and functional affordance affected expectation confirmation as affordance factors. In addition, all four characteristics of metaverse, reliability, playfulness, interactivity, and social presence, were found to have the greatest affect on perceived usefulness, and it was analyzed that playfulness, social presence, and reliability were influenced in order. The affordance factor was also found to have a positive effect on physical affordance, sensory affordance, and functional affordance. This study was found that it had a positive effect on the relationship between expectation confirmation and satisfaction and the relationship between perceived usefulness and satisfaction. satisfaction was analyzed to lead to continuance intention. Conclusion: This study is meaningful in that it examines the perspective of users who can be called customers of metaverse platform services. Based on the results of this study, it is expected to have a significant effect on the development of metaverse platform services not only on platform operators that provide metaverse platform services but also on providers who plan events and education using metaverse platform services.
Journal of the Korean BIBLIA Society for library and Information Science
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v.20
no.3
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pp.209-218
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2009
This study analyzed the authorship tendency of the authors in the specific organizations. The SCI articles of the authors in H medical center, from 2000 to 2008, were extracted and indexed by the authors. The authorship tendency was analyzed on transience and continuance. As results of analysis, authorship tendency showed continuing tendency not transient tendency. Specifically, the publication rate by new authors was high as the average 39.17% but the publication rate by pre-existence authors, which consisted of the publication rate(16.83%) of reclosing authors and publication rate (44%) of the series author, was relatively higher as the average 60.83%. Also, the extinction author rate of new authors was relatively low as the average 28.2%. the non-flexible publication probability by the author in the specific year was very high as the average 76%. As a result, this study would be used as basic data for the research result management of the organization.
Journal of Korean Library and Information Science Society
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v.54
no.3
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pp.165-192
/
2023
This study aims to examine the effects of bureaucratic characteristics, which are the most common in modern library organizations among organizational characteristics of public libraries, on the organizational commitment of librarians. Doing this analysis, 185 librarians from 20 public libraries in the Seoul metropolitan area of South Korea were surveyed to look into the bureaucratic and post-bureaucratic characteristics of each library, such as specialization, hierarchy of authority, system of rules, integration, and participation, and the three dimensions of organizational commitment of affective commitment, continuance commitment, and normative commitment. According to this analysis, the hierarchy of authority had a negative effect on affective and normative commitment, while integration had a positive impact on affective and continuance commitment, and participation had a positive effect on affective and normative commitment. The findings, therefore, show that a combination of bureaucratic and post-bureaucratic characteristics, which reduces the hierarchy of authority and strengthens integration and participation, would increase organizational commitment. This study is meaningful in that, through empirical research, it suggests organizational bureaucratic characteristics that would raise organizational commitment in public library organizations.
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