• Title/Summary/Keyword: Causality Effect

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Exploration on factors to affect continuance intention of collegian subscribing YouTube: Focused on Post-adoption Model (대학생 유튜브 구독 이용자의 지속이용 영향요인에 관한 탐색 : 기술 수용 후 모형(Post-adoption model)을 중심으로)

  • Joo, Jihyuk
    • Journal of the Korea Convergence Society
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    • v.11 no.10
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    • pp.197-205
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    • 2020
  • The present study analyzed the effector that has an influence on continuance intention to use YouTube that is a prime platform to distribute visual contents. Whether the dispersion of information communication technology succeeds or not is determined by a more extent which user uses active and continued than adopts fast. From this point of view, we employed partial least square(PLS) path modeling to analyze structural causality among constructs in the post-adoption model(PAM). As a result, all paths given in PAM except for the path 'confirmation-satisfaction' were validated. Especially, confirmation mediated with satisfaction than perceived usefulness has a more effect on continuance intention. Finally, we described the limitation of the present study and the suggestion for future research.

Cerebral Aneurysms in Judicial Precedents

  • Lee, Kyeong-Seok;Shim, Jae-Jun;Shim, Jae-Hyun;Oh, Jae-Sang;Yoon, Seok-Mann
    • Journal of Korean Neurosurgical Society
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    • v.61 no.4
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    • pp.474-477
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    • 2018
  • Objective : From November 30, 2016, the Korean Government carried the revised Medical Dispute Mediation and Arbitration Act into effect. Mediation will start automatically without agreements of the defendant, when the outcome of the patient was death, coma more than a month or severe disability. Cerebral aneurysm has a definite risk of bad outcome, especially in the worst condition. Any surgical intervention to this lesion has its own high risk of complications. Recently, Seoul central district court decided 50% responsibility of the doctors who made a rupture of the aneurysm during coiling (2015Ga-Dan5243104). We reviewed judicial precedents related to cerebral aneurysms in lawsuit using a web search. Methods : We searched judicial precedents at a web search of the Supreme Court, using the key words, "cerebral aneurysm". Results : There were 15 precedents, six from the Supreme Court, seven from the High Court, and two from district courts. Seven precedents were related to the causation analysis, such as work-relationship. Five precedents were malpractice suits related bad results or complications. Remaining three precedents were related to the insurance payment. In five malpractice precedents, two precedents of the Supreme Court reversed former two precedents of the High Court. Conclusion : Judicial precedents on the cerebral aneurysm included not only malpractice suits, but also causation analysis or insurance payment. Attention to these subjects is needed. We also need education of the independent medical examination. To avoid medical disputes, shared decision making seems to be useful, especially in cases of high risk condition or procedures.

Chemical Risk Factors for Children's Health and Research Strategy (어린이 건강관련 유해물질 연구방향)

  • Lee, Hyo-Min;Jung, Ki-Hwa
    • Journal of Food Hygiene and Safety
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    • v.23 no.3
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    • pp.276-283
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    • 2008
  • To provide the research strategy for protection of children's health from hazardous chemical, we reviewed the hazardous chemicals can be exposed through maternity, children's life style and living environment. Recently, diseases related with children's living condition were focused as asthma, atopy, childhood developmental disability, congenital malformations and obesity. Children can be exposed to hazardous chemicals through an ambient air, water, soil, food, toys and other factors such as floor dust. Also children's health was deeply related with a wrong life style and neglectful caring by a lack of knowledge and information of harmful ones at parents and child care center's nursers. According to the previous study, the chemical risk factor of children's health were identified as inorganic arsenic, bisphenol A, 2,4-D, dichlorvos, methylmercury, PCBs, pesticide, phthalates, PFOA/PFOS, vinyl chloride, et al. Domestic studies for identification of causality between children exposure to chemicals and resulted hazardous effects were not implemented. The confirmation of chemical risk factors through simultaneously performing toxicological analysis, human effect study, environmental/human monitoring, and risk assessment is needed for good risk management. And also, inter-agency collaboration and sharing information can support confirming scientific evidence and good decision making.

Displacements, damage measures and response spectra obtained from a synthetic accelerogram processed by causal and acausal Butterworth filters

  • Gundes Bakir, Pelin;Richard, J. Vaccaro
    • Structural Engineering and Mechanics
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    • v.23 no.4
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    • pp.409-430
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    • 2006
  • The aim of this study is to investigate the reliability of strong motion records processed by causal and acausal Butterworth filters in comparison to the results obtained from a synthetic accelerogram. For this purpose, the fault parallel component of the Bolu record of the Duzce earthquake is modeled with a sum of exponentially damped sinusoidal components. Noise-free velocities and displacements are then obtained by analytically integrating the synthetic acceleration model. The analytical velocity and displacement signals are used as a standard with which to judge the validity of the signals obtained by filtering with causal and acausal filters and numerically integrating the acceleration model. The results show that the acausal filters are clearly preferable to the causal filters due to the fact that the response spectra obtained from the acausal filters match the spectra obtained from the simulated accelerogram better than that obtained by causal filters. The response spectra are independent from the order of the filters and from the method of integration (whether analytical integration after a spline fit to the synthetic accelerogram or the trapezoidal rule). The response spectra are sensitive to the chosen corner frequency of both the causal and the acausal filters and also to the inclusion of the pads. Accurate prediction of the static residual displacement (SRD) is very important for structures traversing faults in the near-fault regions. The greatest adverse effect of the high pass filters is their removal of the SRD. However, the noise-free displacements obtained by double integrating the synthetic accelerogram analytically preserve the SRD. It is thus apparent that conventional high pass filters should not be used for processing near-fault strong-motion records although they can be reliably used for far-fault records if applied acausally. The ground motion parameters such as ARIAS intensity, HUSID plots, Housner spectral intensity and the duration of strong-motion are found to be insensitive to the causality of filters.

The Influences of Social Intelligence on Cooperation and Individual Performance of Hotel Employees (호텔직원의 사회지능이 협력과 개인성과에 미치는 영향)

  • Lim, Ji-Eun
    • The Journal of the Korea Contents Association
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    • v.16 no.5
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    • pp.410-419
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    • 2016
  • The social intelligence, ability of social harmony and relationship was one of the key factor for hotel service quality. and then inquired the relationships among customer-facing employee's social intelligence of hotel, cooperation of employee, and individual performance. Through the theoretical consideration, concept of social intelligence was established, then we set up the hypothesis for causality relationship. The 201 customer-facing employee of a luxury hotel in Korea were analyzed. According to the results, social intelligence of customer-facing employee effects to cooperation of employee and individual performance positively as well. Cooperation of employee has been confirmed on a positive effect on individual performance. That is, social intelligence is social relationships to effectively building and maintaining a positive and essential skills to leading a substantial performance. Based on the empirical results, meanings, implications, and future research suggestions of social intelligence are discussed.

Tosufloxacin Tosylate Increased the Liver Enzyme Levels in a Bladder Cancer Patient with Normal Liver Functions: a Case Report (정상 간기능을 가진 방광암환자에서 간효소 수치를 올리는 Tosufloxacin Tosylate: 증례보고)

  • Choi, Eun Joo;Song, In Ja;Rhew, Ki Yon;Yoon, Hyonok
    • Korean Journal of Clinical Pharmacy
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    • v.25 no.1
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    • pp.56-58
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    • 2015
  • Summary: We report the first hepatic adverse effect of tosufloxacin tosylate in a muscle invasive bladder cancer patient with normal liver functions and with scheduling to undergo a surgical operation for a neobladder. Tosufloxacin tosylate 150 mg was administered to a 57-year-old man who maintained transurethral resection of bladder tumor (TUR-BT) postoperative multiple medications. His labs presented significant increases in alanine amino transferase (ALT) and aspartate amino transferase (AST) levels with 2-week compliance of 150 mg tablet three times a day. After discontinuing tosufloxacin tosylate, the levels slowly decreased and completely returned to normal ranges without any intervention in a few weeks. The Naranjo Causality Algorithm indicates a probable relationship between increased ALT and tosufloxacin. The patient was to have the second surgical operation as scheduled after getting normal range of ATL level. Therefore, tosufloxacin should be avoided in patients at risk for having liver dysfunctions or diseases if the patients have a schedule for any operation. Background: Tosufloxacin tosylate has been shown to have favorable benefits as an antibiotic. Tosufloxacin tosylate may be considered to have the adverse effects such as nauseas, vomiting, diarrhea, abdominal pain, stomatitis, tendonitis, tendon rupture, headache, dizziness, drowsiness, insomnia, weakness, agitation including hemolysis in the event of glucose-6-phosphate dehydrogenase deficiency as other fluoroquinolones. More severe adverse reactions of tosufloxacin tosylate over the above common adverse effects of fluoroquinolones were thrombocytopenia and nephritis. It also is not well known that tosufloxacin can cause hepatic problem. Here the study reports the first hepatic reaction from tosufloxacin and might arouse heath care providers' attention to appropriate drug choice for patients.

A Study on the Effect of Personal Innovativeness on a Combined Book Store's Service Design Factor & User's Word of Mouth (개인의 혁신성이 복합서점의 서비스 디자인 요인과 이용자의 구전에 미치는 영향요인 연구)

  • Park, Sang-Byong;Kwon, Man-Woo;Lee, Sang-Ho
    • Journal of the Korea Convergence Society
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    • v.11 no.7
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    • pp.193-206
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    • 2020
  • Despite recent changes in life style, the content called bookstore has steadily stood by our side, changing its shape. In this environment, This manuscript is a quantitatively empirical study that individual innovation affects a combined bookstore's service design factors and the user's intention to word of mouth. Researchers believed that individual innovation would affect a combined bookstore's service design factors. It was also assumed that there would be considerable causality between the combined bookstore's service design factors deduced through prior study. Furthermore, the assumption that these parameters would affect internal variables, perceived ease of use, perceived usefulness and satisfaction, word of mouth intentions was presented, and verified using An Integrated Model of Extended Technology Acceptance Model and Post Acceptance Model. Researchers expect that this research will contribute significantly in that it is a developer's approach to the combined bookstore that are seen as major tenants in large retail facilities.

The Study of Firm Performance for Education and Training: The Difference of Organization and Finance Performance (교육훈련이 기업성과에 미치는 영향 분석: 조직성과와 재무성과의 차이분석을 중심으로)

  • Lee, In Hwa;Lee, Sang Jik
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.13 no.5
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    • pp.55-61
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    • 2018
  • The main purpose of this study is to test the effects of education and training invest of firm performance and to find the strategy of human resources development to industry include company and government, each stakeholder etc. For this purpose, this study empirical tested the causality, effects between education and training and firm performance. Using the HCCP panel data set, panel analysis model is performed with the dependent variables. The results of the study are summarized as follows. First, education and training has a significant impact on the firm sales per employee head. But there is no evidence for the effect of education and training on the net profit per employee head. These study results indicate that firms have to increase the concern and invest for education and training.

The Study on the Comprehensiveness of Medical Appraisal (의료감정(鑑定)에 있어 포괄성에 대한 고찰)

  • Yoon, Sung Chul
    • The Korean Society of Law and Medicine
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    • v.15 no.1
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    • pp.239-262
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    • 2014
  • The conventional medical appraisal which was done in the process of medical lawsuit was requested from the court to the designated hospital and was delivered as a pattern of one question and one answer in each. However, the comprehensiveness of medical appraisal which was pursued, for example, in Korea Medical Dispute Mediation and Arbitration Agency, could be guaranteed in terms of in-depth medical analysis as well as the broader capacity of the causality estimation besides. The comprehensiveness of appraisal would also include how well organized hospital system of medical care is and how well correlated job system among medical staffs, when medical dispute was happened at the hospital. This comprehensiveness will exert a big contribution on making a demonstrative medical care to prevent from the medical dispute and it could achieve the national plan of building the patient safety net which is effective in restoring the worsened quality of contemporary medical service. Therefore, the comprehensiveness of medical appraisal has to be designed to go forward interdisciplinary fused speciality rather than one division of medicine, which is also aiming at the reliable and consistent appraisal with the supreme dignity from one window. In addition to that, the objective and concrete frame of comprehensive appraisal under the computed connection has to be deliberated to make itself possible in collaboration with positive participation of medical community. The comprehensiveness of medical appraisal would serve to expand not only the capacity of speciality but also the ability of influence on a restorative justice, so that it give effect to an increased number of mediation and arbitration rather than medical lawsuit as well as a decreased number of the social cost and social conflict.

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Analysis of Cause and Effect Structure for Nogwonsang (노권상(勞倦傷)의 인과 구조 분석)

  • Yoon, Kyu-Jin;Lee, Sang-Chul;Kim, Min-Yong;Park, Young-Bae;Park, Young-Jae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.14 no.1
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    • pp.1-14
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    • 2010
  • Backgrounds : Bojungikgitang is one of the most common herbal prescriptions in Oriental Medicine, and it is highly recommended prescription for Nogwonsang syndrome. The Author developed Nogwonsang questionnaire for quantitative evaluation. Nogwonsang questionnaire is consisted of causes that induce fatigue, symptoms that directly associated with fatigue, and secondary symptoms that is induced from fatigue. Purposes : This study aims to verify whether the Bojungikgitang Questionnaire has causality and meaningful path structure by path analysis. Methods : 242 patients from 12 OMD clinics participated in this study. The patients executed a question investigation in the object. Factor analysis was conducted for extraction of factor and abridgment of items. Path analysis was conducted to verify path structure. SPSS 15.0 for Windows and AMOS 7.0 were used for statistical analysis. Results : Overwork factor explains fatigue factor. Coefficient is 0.771. Fatigue factor explains digesting and cold factor. Individually coefficient is 0.632 and 0.465. Model fit is $X^2=61.395$(df=51), GFI=0.960, AGFI=0.939, NFI= 0.924, CFI=0.986, RMSEA=0.029. Path structure is proved to be significant. Conclusions : Further research is needed Gold standard of Nogwonsang. Establishment of Gold standard leads and the collection of data and the research which are objective are possible. Connection of the clinical indexes which are objective on the paperweight outside and leads and the development of the diagnosis tool which is fixed quantity is demanded.