Cheong, Yeon Goo;Cheong, Ye Hyun;Guo, YaQi;Lee, Pu Reum
Korean journal of communication and information
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v.79
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pp.140-164
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2016
What is an appropriate length of an article in the mobile era producing new tastes of contents combining computing and mobile communication? Is it still valid to have a lengthy article as high level journalism even in the mobile era? Is there any possibility to have a short article combination to give us readability and the amount of information? This study aims to find some answers to these questions. The length of articles were controlled with a field experiment; from an article of 346 syllables(including spaces between syllables) which does not need finger scrolling on a mobile phone to articles of 633, 1033, 1368 syllables(including spaces between syllables) which frequently appear in newspapers and broadcasting news program. All the main themes were same for 4 articles which have different length. Three hundred and eighty four students viewed one of the 4 articles through mobile phone or newspaper. Each participant checked their preference and evaluated quality on the article, were asked to recall contents of the article. In newspaper group, articles with 346 or 1033 syllables were highly evaluated. Mobile group seemed to prefer articles of 346 or 633 syllables. In conclusion, we need to consider various strategies shortening the length of an article into 346 or 633 syllables as a basic format to meet the neEds of mobile era.
Kim, Kyunghee;Lee, Heeyoun;Chung, Ickjoong;Kim, Jihae;Kim, Sewon
Korean Journal of Social Welfare
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v.65
no.4
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pp.61-88
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2013
The aim of this study was to explore the work experiences of hospital-based child protection team staffs who had intervened the child abuse cases resulting in death. In order to gather the relevant data, all 62 child protection teams registered nationwide were contacted and 5 teams which had actually experienced at least one child abuse deaths were found. The staffs (hospital social workers and doctors) who belonged to these teams were intensively interviewed, and the interviewed materials were thoroughly analyzed by qualitative research methodology. The result showed that treatment delay was the most important obstacle to prevent unnecessary deaths of the victims. Some abused victims were sent to the hospital only after their physical condition had so gravely deteriorated. In other cases, custodians' bland denial or refusal to treatment made impossible the timely intervention to save the child lives. Nevertheless, child protection team staffs' reasonable suspicion and active intervention could sometimes uncover the hidden truth that child abuse was the actual cause of death. These incidents were regarded as a team's meaningful accomplishments by team members. Meanwhile, lack of awareness and excessive burden about the role and responsibility of mandated reporter precluded medical staffs' active involvement. Also, substantiating the abuse suspicion by securing positive evidences was found to be a facilitatory factor for the rapid public intervention. On the basis of these results, several practice and policy implications were discussed to improve the early detection process, securing evidence and uncovering the actual cause of death in child abuse deaths.
The acaricidal activities of Illicium verum fruit-derived materials against adults of Dermanyssus gallinae were examined using the direct contact application method. Based on laboratory tests, an acaricidal constituent of I. verum fruit was determined because of its potent activity. Results were compared with those of the currently used acaricides such as dichlorvos, diazinon, and carbaryl. The acaricidal principle of I. verum fruit was identified as (E)-anethole using a GC-MS. lts acaricidal activity was compared with those of 12 compounds having a similar chemical moiety. Based on the $LD_{50}$ values, the acaricidal activities of (+)-or-(-)-neomenthol were the strongest (0.01 $mg/cm^2$) and (E)-anethole, (+)-or-(-)-menthol, (${\pm}$)-isoborneol, (-)-menthone, and (lS)-endo-(-)-bomeol showed similar results (0.02 $mg/cm^2$), and (1R)-(+)-camphor and (+)-menthone also gave good activities (0.03 and 0.04 $mg/cm^2$, respectively). These compounds showed more toxic acaricidal activities than diazinon and carbaryl, 0.05 and > 0.2 $mg/cm^2$, respectively, but were not comparable to that of dichlorvos with 0.0002 $mg/cm^2$. These results indicate that the I. verum fruit-derived materials and tested compounds descried as poultry red mites-control agents could be useful for managing field populations of D. gallinae.
The purpose of this study was to explore the perceptions in treatments and experiences of attention-deficit hyperactivity disorders (ADHD) for mothers parenting a child with ADHD. Using Giorgi's 4 stages, this study investigated the meaning of ADHD treatments for mothers. Data were collected from December 2014 to February 2015 for 3 months with a sample of 13 mothers of children with ADHD via in-depth interviews. Collected data was analyzed using an interpretative phenomenological approach. Dominant issues identified were: I (mother) need to be changed for my child; Through mothers' experiences of lack of self-determination about a child with ADHD, they realized ignorance, chaos, and anxiety. While they experience multiple negative feeling, there is a positive change with unresolved issues. The findings highlight the correct awareness of ADHD and incorporated therapies for mothers and children with ADHD to improve treatment retention. Also, specialized services would be developed for mothers to promote their positive attitude to life, which is vital to cultivating the correct self-awareness.
To explore the history of Korean engineers, one must navigate the field answering to the question of who engineers are. This is not an easy task because, behind the English expression of engineer, there are various names and even histories pertaining to technology related actors in East Asian countries including South Korea, and the meaning and status of these names are different from one another. Thus, the process and method of answering to the question of who engineers are becomes the path to understanding the history of Korean engineers. This study, therefore, attempts to suggest research questions that should be raised to study Korean engineers and to find research methodology suited for addressing those questions. Until now, not enough efforts have been made to create and expand interdisciplinary discussions and contacts for this area of study. This study has some theoretical difficulties of having to combine concepts with different problematique. Nevertheless, it aims to discuss how to conduct research, what questions should be posed to analyze the construction of Korean engineers and what research methodologies are suitable for such research, based on previous researches conducted in the field of social science. Answers to the quest are sought through genealogy, conceptual history, actor-network theory, and the notion of techno-national formation.
Journal of Korean Home Economics Education Association
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v.24
no.3
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pp.191-208
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2012
The purpose of this study was to explore a plan for maximizing effectiveness of adolescents' ethical consumption education. The ethical consumption education experience and the ethical consumption behavior in home, school and society were examined targeting 587 middle and high school students. As a result of research, first, adolescents' ethical consumption education experiences were indicated not to be mostly high. In the sphere of ethical consumption behavior, the ethical consumption education for the future generation of centering on green consumption was being much performed. Second, the students are much facing ethical consumption through participating in event and voluntary-service activity as for school program and through participating in flea market as for social program. And the tendency was being shown that has high contact frequency in ethical consumption education through internet. Third, the adolescent consumers' ethical consumption behavior level was not high as a whole. Thus, it could be known that the ethical consumption education is needed continuously. Especially, the education of the ethical consumption for current generation is further demanded. Fourth, the factors of having influence upon adolescent consumers' ethical consumption behavior were indicated that the more ethical consumption behavior is shown in more taking home consumer education and school consumer education in case of women and in the lower school year as for school year. In this way, the importance of ethical consumption education in home, school and society is indicated. Thus, there will be a need of being developed the educational method and the educational contents that are connected with real life so that adolescents themselves can acquire through experience by being linked mutually.
Since the establishment of Security Business Act in 1976, the Korean private security industry has rapidly grown in the qualitative and quantitative aspects. In the circumstance, various roles of private security guards have been demanded. A private security guard as the first contactor of the users of multi-use facilities should first find an accident field situation and make a response when an accident occurs, and should give first aid as most as possible until emergency medical workers arrive. However, there is a lack of first-aid education for the private security guards who are responsible for the safety of facility users. Therefore, the purpose of this study is first to find how many times private security guards have job and first-aid education, and analyze how the education count influences their first-aid ability; secondly to analyze how private security guards' satisfaction with first-aid education influences their first-aid ability. To achieve the purpose, this researcher conducted a questionnaire survey on first-aid ability of the private security guards working in the metropolitan areas. For data analysis, Stata se/ 14.0ver was applied. For the analysis on validity and reliability, exploratory factor analysis was conducted and a Cronbach's a value was drawn. To find the actual conditions of first-aid education, frequency analysis, inter-group difference analysis, and multi-regression analysis were conducted. According to the data analysis, there were not enough times of job education and first-aid education for private security guards, and their satisfaction with first-aid education and first-aid ability were difference depending on the job and first-aid education counts. Also, their satisfaction with first-aid education partially influenced their first-aid ability.
Kim, Dong-Seong;Yoo, Min-Young;Kim, Hee-Seong;Choi, Joo-Ho
Journal of the Computational Structural Engineering Institute of Korea
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v.27
no.6
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pp.635-642
/
2014
In this paper, an efficient technique is developed to predict failure probability of three failure modes(case rupture, fracture and bolt breakage) related to solid rocket motor case due to the inner pressure during the mission flight. The overall procedure consists of the steps: 1) design parameters affecting the case failure are identified and their uncertainties are modelled by probability distribution, 2) combustion analysis in the interior of the case is carried out to obtain maximum expected operating pressure(MEOP), 3) stress and other structural performances are evaluated by finite element analysis(FEA), and 4) failure probabilities are calculated for the above mentioned failure modes. Axi-symmetric assumption for FEA is employed for simplification while contact between bolted joint is accounted for. Efficient procedure is developed to evaluate failure probability which consists of finding first an Most Probable Failure Point(MPP) using First-Order Reliability Method(FORM), next making a response surface model around the MPP using Latin Hypercube Sampling(LHS), and finally calculating failure probability by employing Importance Sampling.
Career and academic Counseling is often viewed as the catalyst for frequent and consistent interaction with students, but it is more than simply advising students about which majors, universities or jobs to consider. Ongoing, personal contact of career and academic counselors with students is an essential component in long-term career-related efficacy. But statistics show that high schools in non-urban or rural areas face significant issues different from those schools in metropolitan or suburban contexts, failing to maintain the significant number of teachers enough for effective career and academic counseling. This article proposes an alternative model of career and academic counseling, provided by MBA(Master of Business Administration) alumni based social enterprise in Seoul. This service explores the skills, knowledge and capabilities which MBA alumni gained from their jobs and MBA programs within the context of a career-competency framework. This paper concludes with the social and educational aspect of this shared responsibility strategy that may enhance student motivation and persistence in non-urban high schools.
Lymph node (LN) is the sites where mature lymphocytes become stimulated to respond to invading pathogens in the body. Lymphocytes screen the surfaces of pathogen-carrying antigen-presenting cells for cognate antigens, while moving along stromal structural back bone. Fibroblastic reticular cells (FRC) is stromal cell forming the 3 dimensional structure networks of the T cell rich zones in LN, and provide a guidance path for immigrating T lymphocytes. In these cooperative environments, the cell to cell bidirectional interactions between FRC and T cells in LN are therefore essential to the normal functioning of these tissues. Not only do FRCs physically construct LN architecture but they are essential for regulating T cell biology within these domains. FRC interact closely with T lymphocytes, is providing scaffolds, secreting soluble factors including cytokine in which FRCs influence T cell immune response. More recently, FRC have been found to induce peripheral T cell tolerance and regulate the extent to which newly activated T cells proliferate within LN. Thus, FRC-T cell crosstalk has important consequences for regulating immune cell function within LN. In addition, FRC have profound effects on innate immune response by secreting anti-microbial peptides and complement, etc in the inflammatory milieu. In summary, we propose a model in which FRC engage in a bidirectional touch to increase the T cell biological efficiency between FRC and T cells. This collaborative feedback loop may help to maintain tissue function during inflammation response.
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