• Title/Summary/Keyword: backgrounds in science

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On Enhancing Science Culture and Evaluating Scientific Literacy: Focusing on PISA's Projects (과학문화의 증진과 과학적 소양의 평가: PISA의 평가사례를 중심으로)

  • Lim Byoung-Kap
    • Journal of Science and Technology Studies
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    • v.1 no.1 s.1
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    • pp.51-68
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    • 2001
  • Science cultures in the dimension of social interaction must be correlated with science cultures or science literacy in the dimension of psychological interaction. In order to develop a mature science culture, it must be assumed 1) that a science culture in a society ran be evaluated and 2) that we have to set up the criteria for evaluating it. This paper, based on the assumptions, makes an attempt to analyze the concept of science literacy underlying the PISA (Programme for International Student Assessment) conducted by OECD. The analyses are driven by the questions such as 'which philosophical backgrounds are absorbed into the concept of PISA' science literacy?' and 'What suggestions can be found with respect to the goal of enhancing the science culture?' In conclusion, the science literacy in PISA reflects the elements proposed by logical empiricism, naturalized philosophy of science, and social constructivism, which are being incorporated by the 'collaboration research program' conducted by the newly-emerging interdisciplinary field of 'science of science.' Finally, some further suggestions are added to the analyses to pursue more positive directions to induce mature science cultures in our society.

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Minority Students' Learning Patterns in Science Class (소외 계층 학생들의 과학 학습 유형)

  • Shin, Donghee;Kim, Seolhee;Lee, Jihye
    • Journal of The Korean Association For Science Education
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    • v.39 no.1
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    • pp.129-141
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    • 2019
  • As the number of minority students such as multicultural, North Korean defectors, and low-income groups increases, more research is needed in science education to help their learning. Due to the various growth backgrounds and learning environments of the underprivileged students, there is a big difference in the individual characteristics of the group rather than the whole group characteristics. In this study, we conducted about 50 hours of science lessons for seven students in the underprivileged class, categorized them by observing and interviewing the characteristics of their science learning. Seven underprivileged students showed five different learning patterns, these are 'I love science', 'I think I know science', 'I want to know science', 'I need to know science', and 'I don't know what I want'. Although the scientific activities they experienced were not all of an excellent educational quality, their interest in science learning has increased with their experience in science activities. It shows the need to provide more abundant science experience and educational opportunities for these minority students who can only experience science learning under the public educational system.

Study on the construction of digital library (디지탈도서관의 구축을 위한 연구)

  • Seo, Whee
    • Journal of Korean Library and Information Science Society
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    • v.25
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    • pp.529-567
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    • 1996
  • This paper surveyed the theoretical backgrounds of digital library. Its definition and function and case studies, and basic skills for system construction of digital library were suggested. The differences between the traditional library and the digital library were compared. And the conditions that should be take into consideration of digital library construction were suggested. Suggestions are summarized as follows : 1. For the construction of digital library, library collection should be digitalized by using CD-ROM and commercial online services. 2. The digitalization of library collection should be planned by subject sharing between the libraries. For the control of this cooperation, the orgnization to propel the digitalization should be established. And it is necessary to enact the standards for the digital library. 3. The connection between MARC formatted bibliographic database and full-text should be studied. 4. All the types of information about texts, pictures, sounds and if films should be also digitalized. 5. To satisfy the needs of many users, we have to establish the various users's interface which is fitted for several kinds of users. 6. When a digital library was constructed, the copyright and resources sharing must be guranteed depending on the cost of database's usage. 7. Because the digitalization of library will be related to the various kinds of libraries, the interface for resources sharing will be constantly concerned. 8. The sharing of information resources between the libraries will be enacted on the Internet. And we must be interested in various internet tools such as telecommunication softwares, media convert programs, etc. 9. By training staffs continously, all libraries must be ready to come the library in the future.

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Effect of Consumption Value of Restaurant Service on Consumer Satisfaction: Focusing on Consumer Experiences at a Chinese Franchise Restaurant (외식서비스에 대한 소비가치가 소비자만족에 미치는 영향: 중국 프랜차이즈 레스토랑 소비자경험을 중심으로)

  • Sun, Wan Lu;Hwang, Hyesun;Hong, Ji Hyung
    • Human Ecology Research
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    • v.58 no.2
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    • pp.177-186
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    • 2020
  • This study examined consumer experiences on consumption value for the restaurant service and the effect of consumption value on consumer satisfaction. Consumption value was composed of four values: functional, social, emotional, and epistemic. Participants consisted of 407 consumers who live in Shanghai and have experience eating at Haidilao restaurant. The results of this study suggested that the perceived consumption value of the restaurant service varies by the socio-demographic backgrounds of consumers. Consumer satisfaction is affected by the epistemic, emotional, and functional values of the restaurant service. The effect of epistemic value on consumer satisfaction with restaurant service was the highest among all consumption values followed by emotional and functional values. There was no significant effect of social value on consumer satisfaction. This study showed that consumers pursue various values in the restaurant services which had a greater influence on consumer satisfaction than the functional value related to the primary purpose of restaurant services. As the consumer experience diversifies along with the globalized food service industry, it is necessary to improve the consumer satisfaction of restaurant services by investigating what values and experiences consumers pursue. The results of this study contribute to a consumer-oriented service design of restaurants by illuminating consumers' experiences with consumption values that influence consumers' satisfaction with the overall restaurant service.

The Use of Artificial Intelligence in Healthcare in Medical Image Processing

  • Elkhatim Abuelysar Elmobarak
    • International Journal of Computer Science & Network Security
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    • v.24 no.1
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    • pp.9-16
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    • 2024
  • AI or Artificial Intelligence has been a significant tool used in the organisational backgrounds for an effective improvement in the management methods. The processing of the information and the analysis of the data for the further achievement of heightened efficiency can be performed by AI through its data analytics measures. In the medical field, AI has been integrated for an improvement within the management of the medical services and to note a rise in the levels of customer satisfaction. With the benefits of reasoning and problem solving, AI has been able to initiate a range of benefits for both the consumers and the medical personnel. The main benefits which have been noted in the integration of AI would be integrated into the study. The issues which are noted with the integrated AI usage for the medical sector would also be identified in the study. Medical Image Processing has been seen to integrate 3D image datasets with the medical industry, in terms of Computed Tomography (CT) or Magnetic Resonance Imaging (MRI). The usage of such medical devices have occurred in the diagnosis of the patients, the development of guidance towards medical intervention and an overall increase in the medical efficiency. The study would focus on such different tools, adhered with AI for increased medical improvement.

A Study on the Retailer's Global Expansion Strategy and Supply Chain Management : Focus on the Metro Group (소매업체의 글로벌 확장전략과 공급사슬관리에 관한 연구: 메트로 그룹을 중심으로)

  • Kim, Dong-Yun;Moon, Mi-Jin;Lee, Sang-Youn
    • Journal of Distribution Science
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    • v.11 no.12
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    • pp.25-37
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    • 2013
  • Purpose - The structure of retailing has changed as retailers develop markets in response to business environment changes. This study aims to analyze the general situation of retailers in order to predict future global strategy using case studies of overseas expansion strategy and the Metro Group's global strategy. Research design, data, and methodology - The backgrounds to the new retail business model and retailer classification are analyzed as theoretical data. In addition, the key success point of the Metro Group's "cash and carry" strategy is analyzed as is the Metro Group's global CFAR (collaborative planning, forecasting, and replenishment) strategy. Finally, the plan for cooperation and precise forecasting under the Metro Group's supply chain management are analyzed from the promotion environment viewpoint. Related materials analyzed included the 2012 annual report, the Metro Group's web page, and a video interview with the executive in charge of global strategy and the new market development department. Some data were revised to avoid disrupting essential aspects of the case studies. Results - The important finding was that the Metro Group could be a world-class retail company with its successful global expansion strategy. The Metro Group's global strategy's primary goal is to have a leading business position in Eastern and Western Europe. The "cash and carry" strategy is highest priority in its overseas expansion strategy. Moreover, the Metro Group has standardized product planning capacity, which could be applied in various countries with different structural and cultural backgrounds. This is the main reason that the Metro Group could rapidly become successful in the Eastern Europe and Asian markets through its structural overseas expansion strategies. In addition, the Metro Group emphasizes the importance of supply chain management. Conclusions - First, retailers should create additional value through utilizing the domestic market, market power, and economies of scale to launch a global strategy to maximize benefits from diversification. Second, the political, economic, and cultural background of the target country needs to be understood to successfully implement the overseas expansion strategy. Third, the main factor of successful cooperation with a local partner is how quickly the company gains total understanding of the business resources and core competence of its partner. All organizations should focus on the achievement of goals in order to successfully operate the partnership. Fourth, retailers should improve their business, financial and organizational structure. Moreover, the work processes and company culture should also be improved to respond strongly in the competitive global market. Fifth, the essential point of a successful retail business is the control capacity of its branding and format. The retailer could avoid forecasting errors through supply chain management by perfectly distributing the actual amount of its inventory. In addition, the risks along the supply chain are effectively shared between the supply chain partners. Finally, the central tendency of the market is to gain in strength with this taking place across all parts of the business.

Recognition Investigation of Physics and Chemistry Teachers on Electrodes in Galvanic Cell (물리학과 화학 전공 교사들의 화학전지 전극에 대한 인식 조사)

  • Park, Hyun-Jung;Kim, Jung-Bog
    • Journal of The Korean Association For Science Education
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    • v.30 no.4
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    • pp.389-401
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    • 2010
  • This research investigated recognitions on outside and inside electrodes in an electric circuit supplied by a galvanic cell, through survey and interview of teachers studying in Departments of Physics Education and Chemistry Education at H University Graduate School. Physics majors' designations on outside or inside parts of electrodes in a galvanic cell were different from Chemistry majors'. Teachers who had majored in physics had difficulties on the inside electrode of a galvanic cell, while teachers who had majored in chemistry had difficulties on the outside electrode. Reasonings for designations of electrodes were attributed to direction of electric current in case of physics teachers and redox in case of chemistry teachers, respectively, which are strongly dependent on backgrounds performed in their undergraduate course.

Improved MOG Algorithm for Periodic Background (주기성 배경을 위한 개선된 MOG 알고리즘)

  • Jeong, Yong-Seok;Oh, Jeong-Su
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.17 no.10
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    • pp.2419-2424
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    • 2013
  • In a conventional MOG algorithm, a small threshold for background decision causes the background recognition delay in a periodic background and a large threshold makes it recognize passing objects as background in a stationary background. This paper proposes the improved MOG algorithm using adaptive threshold. The proposed algorithm estimates changes of weight in the dominant model of the MOG algorithm both in the short and long terms, classifies backgrounds into the stationary and periodic ones, and assigns proper thresholds to them. The simulation results show that the proposed algorithm decreases the maximum number of frame in background recognition delay from 137 to 4 in the periodic background keeping the equal performance with the conventional algorithm in the stationary background.

Towards Conservation of Threatened Ceropegia Species Endemic to a Biodiversity Hotspot: In Vitro Microtuber Production and Proliferation, a Novel Strategy

  • Pandit, Sagar Subhash;Nair, Aneeshkumar;Naik, Dhiraj Dilip
    • Journal of Forest and Environmental Science
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    • v.24 no.2
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    • pp.79-88
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    • 2008
  • Twenty-eight of 44 Indian Ceropegia species are endemic and their survival is threatened. As a step towards conservation, we implied in vitro methods for the sustainable propagule production in C. hirsuta, C. lawii, C. maccannii, C. oculata and C. sahyadrica. Effects of explant, growth regulators, sucrose and photoperiod were studied. High frequency microtuber production was achieved with the seedling-apical buds, grown on MS medium containing 4-6 mg $1^{-1}$ BAP, 3-8% (w/v) sucrose, under continuous illumination. Each microtuber, when subcultured proliferated to form a cluster of secondary microtubers. Every primary and secondary microtuber bore at least one shoot-bud and a root primordium. Each tuber (formed with any of the significantly effective treatments) weighed more than 500 mg, enough to plant directly in non-sterilized soils. Microtubers could be produced and proliferated round the year. Proliferation could be solely attributed to in vitro procedures as these plants bear solitary tubers in vivo. Microtubers could be sprouted in vitro to prepare ready to pot plantlets. As, this novel method succeeded for all five species, though they belong to different eco-physiological backgrounds, we recommend its implementation in the conservation programs for a broader range of Ceropegia species, supported by other integrated strategies.

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A Study on Terminology of the Leg and Foot style of Traditional Furniture - Focusing on Traditional Korean and Western Furniture - (전통가구의 다리와 발 스타일 용어 연구 - 한국 및 서구 중심으로 -)

  • Moon, Sun-Ok
    • Journal of the Korea Furniture Society
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    • v.21 no.1
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    • pp.83-96
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    • 2010
  • This study explores terminology for legs and feet in the traditional Korean and Western furniture. Pieces of traditional Korean and Western furniture have been largely made of the eco-friendly material, natural wood, and thus important in the latest trends of wellness, such as LOHAS (Lifestyles of Health and Sustainability) and a green period. Legs in traditional Korean furniture appeared in dinging tables, and the feet in wardrobes. The limited use of legs and feet seems to be influenced by floor-oriented lifestyles of Korean ancestors. In contrast, most pieces of Western furniture, which is from the chair and bed culture, have various styles of foot and leg. While th two groups are from different backgrounds, both of them have developed various legs and feet applying natural subjects such as animals and plants to each of their furniture including wardrobes, cabinets, dining tables, chairs, consoles, etc. It is also found that the traditional Korean furniture can be influenced by a traditional Chinese chair foot called Neabunmajae, which describes inner horse foot. Neabunmajae was known in Korean furniture legs and feet, but the terminology has not been known. The study suggests that terms which appear in traditional furniture but are unknown should be studied more.

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