Kim, Chae-Bong;Yang, Jeong-Hee;Choi, Bo-Ram;Han, Seong-Min
Journal of the Korea Convergence Society
/
v.7
no.3
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pp.149-157
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2016
For workers, industrial accidents exert a bad effect on the productivity, quality of life, and depress the morale. This study aimed to examine the overall influence on job performance of employees who returned to work after industrial accidents. This was a cross-sectional study using the data of 2013 and 2014 Panel Study of Worker's Compensation Insurance (PSWCI), and we performed logistic-regression analysis to analyze an affinity between general characteristics and job performance as independent variable and outcome variable, respectively. As a result, the major factor depressed the job performance were the 1 - 7 degree of disabilities and injuries with convalescence period for 6 to 9month or more than 12 months. In other words, this study shown that job performance was decreased as higher degree of disability and longer convalescence period. Job performance is the factor to identify indirectly worker's successful return to work, and it is important in follow-up of workers who returned to work after industrial accidents. Stable job performance of an industrial disaster victim is the key factor to maintain worker's comfortable and qualitative life as well as increase of productive capacity.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.6
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pp.300-307
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2016
The development of computer-based information technology has led to the quantitative and qualitative growth of social media which have two sides; a positive one such as the generation and sharing of information and a negative one which includes cyber plagiarism and cyber bullying. This study seeks to understand which factors can lead to cyber plagiarism, which is the most prevalent form of unethical cyber behavior. We expected that the intrinsic and extrinsic motivations for using social media would have different effects on unethical cyber intention and that this relation between motivation and cyber unethical behavior would be moderated by the subjective norm. In order to obtain a better understanding of the relationships among the individual motivation, unethical cyber intention, and cyber plagiarism, information was obtained from 564 social media users. The respondents provided details of their experiences and attitudes regarding social media usage behavior and unethical cyber behavior. The results confirmed that extrinsic motivation significantly increases unethical intention and further leads to high levels of cyber plagiarism. The subjective norm plays a moderating role in the relationships between extrinsic motivation and unethical cyber intention. Based on the results, the theoretical and practical implications of the research findings are discussed, and recommendations for future research are provided.
The rapid increase in cases of insect resistance to insecticides indicates that the contribution of present chemical control practices inevitably leads to exhaustion of available insecticide resources against key insect species. Now the problem of insecticide resistance exists worldwide among insects and mites affecting field crops and animals including human beings, ranging from minimal or absent in some developing countries, where use of insecticides has been low, to extremely severe in many developed countries. Since the occurrence of insect resistance to insecticides was firstly recognized in 1908, the increase in recent decades has been almost linear and now the number of species of insects and acarines in which resistant strains have evolved have been increased to a total of 432. Of these, $261(60\%)$ are agricultural importance and $171(40\%)$ of medical/veterinary importance. The phenomenon of insecticide resistance is asserting itself as the greatest challenge to effective chemical control of many important insect pests. Resistance of insects to insecticides has a history of nearly 80 years, but its greatest increase and its strongest impact have occurred during the last 40 years following the discovery and extensive use of synthetic organic insecticides and acaricides. The impact of resistance should be considered not only in terms of greater cost of pest control due to increased dosages and number of applications but also in terms of the ecological disruption of pest-beneficial species density relationships, the loss of investment in the development of the insecticides concerned, and socio-economic disruption in agricultural communities. Despite its grave economic consequences, the phenomenon of insecticide resistance has received surprisingly little attention in Korea. Since the study of insecticides started firstly in 1963, many entomologists have been concerned with this study. According to their results, some of the rice pests and some of the mites on orchard trees, for example, have developed worrisome level of resistance in several areas of this peninsula. With many arthropods, considerable advances in the developed countries have been made in the study of the biochemical and physiological mechanisms of resistance. Progress involves the biochemical characteristics of specific defense mechanisms, their genetics, interactions, and their quantitative and qualitative contribution to resistance. But their studies arc still inadequately known and relatively little have been contributed in terms of unique schemes of population management in achieving satisfactory pest control. It is apparent that there is no easy solution to resistance as a general phenomenon. For future challenging to effective control of insect pests which are resistant to the insecticides concerned, new insecticide groups with distinctly novel mode of action are urgently needed. It is clear, however, that a great understanding of the factors which govern the intensity of selection of field population for resistance could lead to far more permanently successive use of chemicals within the framework of integrated pest management than heretofore practiced.
As knowledge workers have increased and information interchanges become more diverse, only the resources of internal enterprise is not longer useful, and the practical use of external information through information public sharing network is even more crucial. But, few studies that use both internal and external information sharing systems together have been conducted. In this research, we carried on the depth interview to analyze the main factors that intend to utilize outside information as well as to share inside information voluntarily. In conclusion, sharing internal information is directly involved with the performance of their job exchanging simple data, past documents, and technical materials. On the other hand, using the external information belonged to several other organizations is mostly caused by the voluntary participants' satisfaction sharing their individual experience through the network systems. Based on the study, we propose the idea that can activate both internal and external information sharing network through the system with user feedback function regarding the customized information, and with the space expansion where people can freely raise their private opinion. We also introduce the plan of the construction of communication systems with various experts, and the development of compatible devices with diverse interfaces.
The study focuses on the relationship between the desire for economic activity and happiness among the elderly living alone. Qualitative research was conducted as a research method. Research participants were either go to the elderly community wellness center or volunteer at the center. The results were: First, it turned out that enjoying different programs and socializing with others at the community wellness center and the health of family were the factors of happiness to the elderly living alone. Second, the difference on the desire on economic activity among the elderly living alone was significant. Three groups could be categorized: the elderly who wants economic income through jobs, others who were wealthy, and others who do not struggle with their finance but wanted to continue their economic activity through part-time jobs. In average, the desire for economic activity was high but they wanted 2 - 3 hours of labor per day, considering their physical condition. In case of income, there were two groups, who desperately wants more income, and others who feel their income is sufficient. This study suggested a virtuous cycle of government support policies to the elderly living alone in economic and psychological perspectives.
The purpose of this study was to analyze trends in conceptual change research in the field of Earth Science education conducted in Korea and to provide them as basic data of future concept change research. The trends of conceptual change research were analyzed in terms of keywords, year of publication, source of research, purpose of research, subject, area of research, and research method. This study was carried out on a total of 126 conceptual change papers of Earth Science education published from 1989 to July 2017. This study showed the following conclusions: First, the conceptual change research papers used more the term 'conceptual change' than 'misconceptions' and 'preconceptions'. Second, the conceptual change paper has achieved a large amount of growth in the 2000s. Third, conceptual change research tended to proceed to the subject of master's dissertation. Fourth, there were a lot of researches to find out the misconceptions and change them into the right concept, the conceptual change paper used free response test for misconceptions, and cognitive conflict instruction model and CAI (Computer Assisted Instruction) teaching strategy for misconceptions. Fifth, elementary school students were studied the most. Sixth, the study of conceptual changes in the field of Earth Science was high in the astronomical and atmospheric areas. Finally, although quantitative analysis methods were used in the early days of research, in the 2010s, qualitative analysis methods were widely used. In this paper, we proposed research on conceptual change for pre- and in-service teachers, expansion of research on conceptual changes in various fields such as geology, oceanography, atmosphere in Earth Science, investigation of causes of misconception in Earth Science and research on individual's affective factors, and so on.
The purpose of this study was to investigate awareness and knowledge on Korean traditional food among the residents in Gyeongju and Pohang area and develop and maintain it. 452 copies of a questionnaire were surveyed and analyzed statistically. The research findings were as follows. Firstly, males prefer a la Carte menu while females prefer kimchi, bab(boiled rice) juk(rice-gruel), guksu(noodles) and mandu(dumplings). Secondly, the residents favor kimchi, bulgogi and bibimbab with assorted mixtures. Thirdly, comparing the positive perception of Korean traditional food between males and females, females were more aware of traditional food and informed than males. Lastly, correspondence analysis showed that thirties prefer bab, tang(soup) and guksu while forties gu-i(roast) & jeon(panfried food) with seasonings and fifties kimchi & jang(sauce and paste). Also, high school graduates prefer eumcheong & han-gwa while college graduates bab, tang, and guksu. The residents whose monthly incomes are under W1,000,000 favor bab, tang and guksu, and those who earn over W5,000,000 per month favor kimchi & jang. The higher educational levels and incomes were, the higher qualitative factors were evaluated. Based on those findings, Korean traditional food should be generalized and more kinds of its menu should be developed.
This study has showed verified results on 'Survey into Observer Preference for Table Decoration for Eating and Drinking'. It is a preliminary study to look into interrelation of preference to color tables, image adjectives, aesthetic value, by giving color changes in a certain regularity to each influential factor in functional table decoration. The result has demonstrated that, as for color image and preference,'observers prefers mid/low dark-toned brown which gives a feeling of 'high-quality, and like to eat', and orange tone with a fooling of 'warm and colorful'. In evaluating interrelation between preference and aesthetic value, the study has revealed that ordinary people take the influential factor of 'unity and Gestalt' seriously, while non-professionals preferred 'uniqueness'. Stimulant No. 7 is one of constituent factors of functional table decoration, eliciting significance of images on colors ant aesthetic value. This study also has practical problems about insufficiency or inadequateness in producing mood suitable to T P O, according to depending upon color changes in picking up stimulants, or other problems in selecting stimulants, according to time, seasons and generational parameter in which the inquiry is conducted, but it will serve as a stepping stone for developing new design using both qualitative and quantitative data in 려nctional table decoration.
Recent 22-year (1981-2002) meteorological data of 58 Korea Meteorological Adminstration (KMA) station were analyzed to investigate spatial and temporal variation of surface air temperature (SAT) and ground surface temperature (GST) in Korea. Based on the KMA data, multiple linear regression (MLR) models, having two regression variables of latitude and altitude, were presented to predict mean surface air temperature (MSAT) and mean ground surface temperature (MGST). Both models showed a high accuracy of prediction with $R^2$ values of 0.92 and 0.94, respectively. The prediction of MGST is particularly important in the areas of geothermal energy utilization, since it is a critical parameter of input for designing the ground source heat pump system. Thus, due to a good performance of the MGST regression model, it is expected that the model can be a useful tool for preliminary evaluation of MGST in the area of interest with no reliable data. By a simple linear regression, temporal variation of SAT was analyzed to examine long-term increase of SAT due to the global warming and the urbanization effect. All of the KMA stations except one showed an increasing trend of SAT with a range between 0.005 and $0.088^{\circ}C/yr$ and a mean of $0.043^{\circ}C/yr$. In terms of meteorological factors controlling variation of GST, the effects of solar radiation, terrestrial radiation, precipitation, and snow cover were also discussed based on quantitative and qualitative analysis of the meteorological data.
The purpose of this study was to explore the characteristics of children's favorite picture books by age according to genre. For this purpose, children of 6 and 9 year old were interviewed from October 2015 to January 2016, and the final data of 34 children were selected for analysis. The collected data were analyzed by inductive coding qualitatively. The results of this study are summarized as follows: First, picture books preferred by 6 year old children appeared in the order of folktale picture books, story picture books, korean-domestic poetry picture books, informational picture books, and they didn't prefer korean-translated poetry picture books. They tended to like interesting story and well-constructed plots. Second, picture books preferred by 9 year old children were surveyed in the order of story picture books, folktale picture books, korean-domestic poetry picture books, and they didn't prefer informational picture books and korean-translated poetry picture books. They explored literary elements extensively and considered them as interesting factors. Based on these results, this study revealed reasons why children of different ages prefer particular picture book genre, and proposed ways to use picture book genres widely by age.
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