• Title/Summary/Keyword: Scientific Research Methodology

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Study on the Scientific Functional Investigation of Steel Space Truss Structures by using Technology Tree Methodology (기술트리를 이용한 입체트러스 강구조물의 과학적 기능분석 방법론에 관한 연구)

  • Lee, Dong Kyu;Kim, Do Hwan;Kim, Jin Ho
    • Journal of Korean Society of Steel Construction
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    • v.25 no.4
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    • pp.321-333
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    • 2013
  • This study presents a practice of a scientific methodology, i.e., technology tree to describe hierarchies of functions and technologies of research projects. In this study functional developments of a well-known steel space frame truss are dealt with for an application of the technology tree process to execute the maintenance of road tunnels without blocking vehicles. It is verified that established results of technology tree process can be linked to a proof process of revealed functions and component technologies such as reference works and structural analyses. In the future the technology tree methodology can be extendedly used for an effective tool setting up research plans and developing integrated technologies of a specific item such as a steel structure.

Comprehensive Presuppositions Regarding Nature of Science, Scientific Causality, and Nature Held by In-service Secondary Science Teachers (중등 과학 교사들의 과학의 본성, 과학적 인과성 및 자연에 대한 종합적 관점 조사)

  • Hong, Hanghwa;Park, Jongwon
    • Journal of Science Education
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    • v.38 no.2
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    • pp.454-469
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    • 2014
  • Teachers' presuppositions of nature of science, scientific causality, and nature are unconsciously constructed through interactions with his or her physical and social environment everyday and it began even before they were in any formal education. It directly influences their teaching later. Thus, this study examined what comprehensive presuppositions in nature of science, scientific causality, and nature are held by in-service secondary science teachers. For the study, Q-methodology was used. Q-sorting was done on 81 statements from three instruments: Nature statements, the Test of Preferred Explanations, and the Nature of Science Scale with twelve in-service science teachers. Teachers sorted the statements along a presented agreement scale of their viewpoint and the collected data was analyzed using recommended procedures for Q-sorts in order to group teachers with similar views. As a result, ten participants were placed in five factors based on their presuppositions of science, scientific causality, and nature and distinctive features of each factor were discovered. In addition, the study confirmed that presuppositions of science, scientific causality, and nature are interrelated. This study method will be helpful to discover more relationships regarding teachers' various viewpoints further.

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A Review of Science of Databases and Analysis of Its Case Studies (데이터베이스의 과학에 대한 고찰 및 연구 사례 분석)

  • Suh, Young-Kyoon;Kim, Jong Wook
    • Journal of KIISE
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    • v.43 no.2
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    • pp.237-245
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    • 2016
  • In this paper we introduce a novel database research area called science of databases (SoDB) and carry out a comprehensive analysis of its case studies. SoDB aims to better understand interesting phenomena observed across multiple database management systems (DBMSes). While mathematical and engineering work in the database field has been dominant, less attention has been given to scientific approaches through which DBMSes can be better understood. Scientific investigations can lead to better engineered designs through deeper understanding of query optimizers and transaction processing. The SoDB research has investigated several interesting phenomena observed across different DBMSes and provided several engineering implications based on our uncovered results. In this paper we introduce a novel scientific, empirical methodology and describe the research infrastructure to enable the methodology. We then review each of a selected group of phenomena studied and present an identified structural causal model associated with each phenomenon. We also conduct a comprehensive analysis on the case studies. Finally, we suggest future directions to expand the SoDB research.

A Study on Null Hypothesis and Alternative Hypothesis, Reduction to Absurdity and Application of Bayesian Statistics in Korean Medicine Otolaryngology (임상연구방법론에서 귀무가설과 대립가설, 귀류법에 대한 고찰과 한방이비인후과에서 베이지안 통계학의 활용)

  • Nam, Seung-Pyo;Bae, Jae-Min;Kwon, Kang
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.32 no.4
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    • pp.41-61
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    • 2019
  • Background : The current medical statistics used in clinical research are the results of Fisher's significance test and the Neyman-Pearson hypothesis test, which were combined by psychologists. Also, in the philosophical background, it is related to Popper's falsificationism based hypothesis-deductive method and reduction to absurdity. Objectives : This study was designed to find complementary and alternative methods of null hypothesis and alternative hypothesis used for the clinical research methodology of Korean medicine otolaryngology. Methods : The body of this paper was divided into seven part. These are historical background, hypothesis test, hypothesis test method used in the design of clinical study, falsificationism and reduction to absurdity, problem and alternative method of the Neyman-Pearson hypothesis test, diagnosis example of sinusitis differentiation syndromes by Bayesian statistics. Through this process, we found out problems of frequentist statistics and suggested alternative methods. Result & Conclusion : As a solution to the problems of the null hypothesis and the alternative hypothesis, there are effects size, confidence interval, Bayesian statistics and Lakatos methodology of scientific research programmes.

Study for Level of Evidence and Recommendation of Anticancer Effect for the Materials of Green Vegetable Juice by Using Natural Standard Methodology (Natural Standard Methodology를 이용한 녹즙재료의 항암효과에 대한 근거 및 권고수준에 대한 연구)

  • Yoo, Hwa-Seung
    • Journal of Haehwa Medicine
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    • v.17 no.1
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    • pp.11-19
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    • 2008
  • Objective : We designed this study to analyse the anti-cancer effects of materials of green vegetable juice by using the natural standard methodology and apply the results to new studying and evaluating methods. Methods : We investigated the main stream of complementary and alternative medicine (CAM), the methodology of natural standard, guideline in CAM, and concrete 15 green vegetable juice in cancer therapy. Results : There are 15 graded materials of green vegetable juice that associated with cancer in natural standard contents. Most of them get grade C, unclear or conflicting scientific evidence. Conclusion : Natural Standard aims to provide high-quality, reliable information about CAM therapies to clinicians, patients, and healthcare institutions. We have to acquire more reliable evidence in future.

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A Functional Matrix Approach to Pedagogical Enrichment of the Dispositional Core of Future Specialists' Experience of Social Interaction

  • Kovalenko, E.V.;Gubarenko, I.V.;Kovalenko, V.I.
    • International Journal of Computer Science & Network Security
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    • v.22 no.11
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    • pp.255-259
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    • 2022
  • The new social reality emerging amid the global rise of communication links and integration processes acutely emphasizes the problems of communication in large and small social systems. The method of their communication becomes one of the keys to ensuring global security. It has become the mission of humanitarian education to prepare the younger generations for life in a changing world with no image of the future and increasing uncertainty. In psychological and pedagogical research, there is a growing scientific interest in the problems of interaction of the individual with the social environment. The mental trace of a person's practice in society shapes the experience of social interaction, which constitutes simultaneously the source, tool, and condition for the emergence and development of personality. The study outlines the methodological foundations for the study of individual experiences of social interaction. A hypothesis about the productivity of the functional matrix method is tested. Materials for the training of specialists in the humanities include interdisciplinary approaches to the study and transformation of the experience of social interaction and systematic methodology for the study of complex objects. Fundamental to the study is the systematic-dialectical method, and the matrix method is employed as the instrumental-technological method. The paper presents the results of a multidisciplinary overview of scientific literature concerning the essential characteristics and functions of social interaction and the respective experience. The overview points to the fragmented nature of scientific understanding of the elements of experience outside its integrity and systemic properties. Based on the formula "personality interacts with the social environment", the study presents an algorithm for the application of a systematic methodology for the study of complex objects, which made it possible to identify the system parameters of experience at three levels of cognition and develop the reference structural and functional matrices for the didactic system of its pedagogical enrichment.

Research Area and Trend Analysis on the IT Service Science through the Analyses about the Research Papers in Journal of the Korea Society of IT Services (IT서비스 학회지 게재 논문을 통해본 학문으로서의 IT서비스 연구영역과 연구동향 분석)

  • Ahn, Yeon-S.
    • Journal of Information Technology Services
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    • v.9 no.4
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    • pp.95-108
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    • 2010
  • In this paper. the research issues and trends are analysed by reviewing the journal of the Korea Society of IT Services which published from Dec. 2002 to Jun. 2010. The 306 papers which published were included in this project. The quantitative analyses were implemented about the volume of papers and researchers. The papers are categorized as project management. service science, service computing and IT technology, software engineering, solution, outsourcing management. element technology and methodology, strategy and management. policy, laws, and systems related IT services. Specially the qualitative analyses were implemented about research issues and trends through the content analysis about the paper details, abstract and key words described. We can find the more case of the theoretical study on the areas of the strategy and management, policy, laws, and systems, also the practical study on the service computing and IT technology, and solution area than the other areas. In this research, finally, the author can suggest that the integrated control be required to editing board for the effective classification of subjected paper candidate. Also the evaluation methodology such us experiment, performance comparative, should be adopted for the theoretical or practical study because the academic research requires the more scientific research methodology.

Methodological Principles of Didactics Ddevelopment in Educational Activity of Higher Eeducation Institutions

  • Bortniuk, Tetiana;Smyrnova, Tetiana;Tkachenko, Tetiana;Yakymenko, Svitlana;Pushkar, Larysa;Desiatnyk, Kateryna
    • International Journal of Computer Science & Network Security
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    • v.22 no.2
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    • pp.394-398
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    • 2022
  • The article determines that the study of the development of scientific and didactic knowledge about the educational process in higher education should be built mainly on the basis of qualitative research methods that ensure the identification and understanding of the changes taking place in didactic knowledge, in the unity of their internal and external manifestations. On the basis of the epistemological model of the study of science, a generalized model of didactic knowledge about the educational process in higher education, including didactic relations as a theoretical core, subject of research, research methods and positions of researchers, ways of interaction between science and educational practice, and thematic structures of didactic knowledge; scientific and methodological problems of didactic knowledge about the educational process in higher education at the present stage of its developments due to the post-nonclassical transformation and orientation of research towards the humanitarian ideal of scientific character.

Abduction as Methodology of Cultural Studies (문화연구의 방법론으로서 가추법이 갖는 유용성)

  • Lee, Hee-Eun
    • Korean journal of communication and information
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    • v.54
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    • pp.76-97
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    • 2011
  • What are the meanings of abduction as a methodology of Cultural Studies? By contextualizing Charles Sanders Peirce's logic of abduction in the discipline of Cultural Studies, I explore the epistemological discussion on the modern scientific research methodology of social sciences. Abduction is a kind of logical inference, which is often associated with guessing or intuition. Peirce's method of abduction and Cultural Studies' contextual formation in effect address an alternative methodology to positivism. Criticizing the modern Eurocentric structure of knowledge construction, I suggest that the virtue of abduction, as a logic of discovery, should be re-discovered in the context of Cultural Studies. Abduction holds important lessons for Cultural Studies as well as social sciences in general because of its focus on intuition, empathy, and intellectual collaboration. Through its elaboration of the logic of abduction, Cultural Studies is able to maintain not only its epistemological ground but also its methodological communicability.

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New Approach for Herbal Formula Research: Network Pharmacology (방제 연구를 위한 새로운 접근: 네트워크 약리학)

  • Han, Sang Yong;Kim, Yun Kyung
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.30 no.6
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    • pp.385-396
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    • 2016
  • It is a fact that the existing pharmacological research method is difficult to explain the effect and mechanism of action of herbal formula of Korean medicine. We are now very pleased with the development of modern science and the development of a methodology for studying herbal formula characterized by network targets and multi-component therapeutics over the human body. In this review, systems pharmacology or network pharmacology is demonstrated how these are applied to explain the effectiveness of herbal medicine. The post-genomic era provides a unique opportunity for the two fields to understand and benefit from each other. In particular, recent research trends, research methodology, useful databases and results of research on herbal formula are introduced. China already has a policy of scientific development of traditional chinese medicine (TCM) and the development of Chinese medicine industry with a focus on herbal formula research at national level, and in Korea, it is urgent to support and nurture the methodology appropriate to the characteristics of the herbal formula in order to study the safety and efficacy of Korean medicine.