• Title/Summary/Keyword: An evaluation item

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Design and Implementation of Analysis System for Answer Dataset with Data Mining (데이터 마이닝을 이용한 시험 응답데이터 분석시스템 설계 및 구현)

  • Kwak, Eun-Young;Kim, Hyeoncheol
    • The Journal of Korean Association of Computer Education
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    • v.11 no.1
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    • pp.65-74
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    • 2008
  • In this paper, we introduce an analysis system for answer dataset by using a data mining method. We analyze students' answer data collected from a test including multiple choice question items, and find associations between the items. Analysis of evaluation results based on our system will not only provide correct information on students' achievement levels but also provides a basis for modifying weaknesses of the evaluation procedures, question items, or teaching/learning procedures. Furthermore, it will enable us to improve the quality of question items for future use so that we can secure itemsets of high quality.

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Recovery Cost Evaluation and Practical Application for Index Assessment of Private Facilities Damaged by Natural Disaster (자연재난 복구비용 산정을 위한 기법 및 실용화 연구)

  • Jung, Woo-Young;Kim, Sung-Jun;Choi, Hyun-Kyu
    • Journal of the Korean Society of Hazard Mitigation
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    • v.9 no.3
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    • pp.67-73
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    • 2009
  • Financial supports of private facilities which were damaged by natural disaster are currently performed partially by a government and the guideline of corresponding recovery costs be the natural disaster prevention law in South Korea. However, current financial recovery guidelines for the damaged private facilities has not been estimated objectively so far. This research presents advanced recovery cost search and assesment methods for the damaged private facilities under natural disaster. To produce more accurate data, an investigation for practical field markets which are appointed in Kangwon area is conducted and the proposed recovery values per each item are compared to exact field market values. Finally. more realistic and accurate recovery cost guideline including evaluation and more effective market surveying method are suggested here. A theoretical and practical program for systematic recovery cost calculation is proposed and expected to be used at public institution before long.

Constitution of Work Process for the Remodeling Construction Project in Planning Phase (건축물 리모델링 기획단계에서의 사업수행 프로세스 구축)

  • Kwon, Won;Chun, Jae-Youl
    • Korean Journal of Construction Engineering and Management
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    • v.7 no.6
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    • pp.165-174
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    • 2006
  • Recently, the architecture remodeling is rising as new alternative for activating the construction market as the interest toward life cycle of buildings has increased. But the reality is that current remodeling business is suffering various types of difficulties in its performance due to the absence of general management technology and factor technology in systematic performance procedure or evaluation, etc toward remodeling effect, evaluation on performance, imperfect system for reflecting user requirements and remodeling life cycle ; planning, $feasibility ^{\circ}\hat{E}designing^{\circ}\hat{E}construction^{\circ}\hat{E}management$ along with lack of overall understanding on remodeling. Accordingly, this research has attempted to search for an effective management method through overall understanding in project performance by presenting work procedure of remodeling project and analysis items for decision making, etc centered on early planning stage out of three stages called planning, designing and construction.

A Study on the Applicability of the Conjoint Analylis for the Reference Evaluation (참고평가를 위한 Conjoint 분석법의 활용시도에 대한 연구)

  • Bae Soon Ja
    • Journal of the Korean Society for Library and Information Science
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    • v.15
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    • pp.141-173
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    • 1988
  • The focuses and methods in Library science have been changed abreast with the development af library facilities and with the expansion and diversification of its functions. One of current trends in Library science is focussed on the social functions of library: its relations to the public, effective service for the users. and efficieniencies of the management policies, and so. on. To. deal with these issues, we need to borrow methodology from other disciplines such as management, marketing, statistics, etc. This paper is mainly concerned with how we approach to the measurement af services and thus provide tentative standard for evaluating library services. To do. this work properly, we'd better consider the users' needs and expectations. But it is not an easy work since too many factors are involved in the study of the users' needs. Users' needs and expectations are so. varying that it is difficult to find out some general and objective data. That is the reason why although many scholars have urged time after time the necessity of library's effectiveness measurement, few studies demonstrated substantial method for measuring the effectiveness of service. In this paper I propose a device for measuring service: i. e, Conjoint Analysis. Conjoint Analysis, which has originally been developed and applied in marketing research, is used to measure the priorities and preferences of purchasers on the new item. So far as Conjoint Analysis, concerning users' physical and psychological necessities, can numeralize people's needs, it may also be applied to measure service provided by nonprofit organization like library. If this approach prove to be sucessful, I hope this study to make any contribution to the appropriate direction on improving library facilities based on the result from a concret reference evaluation.

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Improving Accuracy and Completeness in the Collaborative Staging System for Stomach Cancer in South Korea

  • Lim, Hyun-Sook;Won, Young-Joo;Boo, Yoo-Kyung
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.21
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    • pp.9529-9534
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    • 2014
  • Background: Cancer staging enables planning for the best treatments, evaluation of prognosis, and predictions for survival. The Collaborative Stage (CS) system makes it possible to significantly reduce the proportion of patients labeled at an "unknown" stage as well as discrepancies among different staging systems. This study aims to analyze the factors that influence the accuracy and validity of CS data. Materials and Methods: Data were randomly selected (233 cases) from stomach cancer cases enrolled for CS survey at the Korea Central Cancer Registry. Two questionnaires were used to assess CS values for each case and to review the cancer registration environment for each hospital. Data were analyzed in terms of the relationships between the time spent for acquisition and registration of CS information, environments relating to cancer registration in the hospitals, and document sources of CS information for each item. Results: The time for extracting and registering data was found to be shorter when the hospitals had prior experience gained from participating in a CS pilot study and when they were equipped with full-time cancer registrars. Evaluation of the CS information according to medical record sources found that the percentage of items missing for Site Specific Factor (SSF) was 30% higher than for other CS variables. Errors in CS coding were found in variables such as "CS Extension," "CS Lymph Nodes," "CS Metastasis at Diagnosis," and "SSF25 Involvement of Cardia and Distance from Esophagogastric Junction (EGJ)." Conclusions: To build CS system data that are reliable for cancer registration and clinical research, the following components are required: 1) training programs for medical records administrators; 2) supporting materials to promote active participation; and 3) format development to improve registration validity.

Evaluating the Breastfeeding Information Websites for Korean Adolescents (한국청소년의 모유수유 관련 건강교육을 위한 e-정보전략)

  • Song, Yong;Kim, Ae-Jung;Lee, Youn-Soo;Yoo, Tai-Woo;Kang, Nam-Mi
    • The Korean Journal of Food And Nutrition
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    • v.20 no.4
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    • pp.487-493
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    • 2007
  • Internet websites are excellent resources for younger people to gain information related to breastfeeding. So in this study, we evaluated the breastfeeding knowledge of university students, as well as the currently available website information on breastfeeding. Among the criteria, the six most important evaluation categories for the breastfeeding information on websites were selected and identified. The study participants completed the modified Williams and Hammer's tool, in order to evaluate their breastfeeding knowledge. An additional tool took into consideration the website breastfeeding information criteria, to evaluate the Korean websites. This 34 item tool was categorized into milk supply, comfort during breastfeeding, health of the baby and mother, social support, presentation of message, and products or financial motivation. Thirty-seven websites related to breastfeeding were evaluated, and the results were then discussed by nursing students. The students in this study were not knowledgeable on breastfeeding management with regard to the expression and storage of breast milk, the prevention and care of sore nipples, or use of breastfeeding aids. The breastfeeding information found on the Korean websites received positive evaluations for milk supply, comfort during breastfeeding, and health of the baby and mother. However, the educational content on social support, the message presentation, and the product areas on websites were rare or required additional information from breastfeeding specialists. In conclusion, based on our empirical survey, we need to design websites and evaluation tools for accurate website information regarding the social and economic benefits of breastfeeding, so that Korean women are better motivated to breastfeed by the information they obtain through the Internet.

A Basic Study on the Evaluation Index of Village Wetland Ecosystem Services Using Function Evaluation Methods (기능평가를 이용한 마을습지 생태계서비스 평가지표 기초연구)

  • Park, Mi-Ok;Yang, Seung-Bin;Whang, Yu-Ri;Seo, Hyo-Sun;Koo, Bon-Hak
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.21 no.1
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    • pp.119-132
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    • 2018
  • This study was conducted to suggest an assessment indices to evaluate the ecosystem services of the unique functions of wetlands as well as economic value provided by the village wetlands. The assessment indicators applied in this study were used by the RAM indices. The results of RAM assessment on the village wetlands in Cheonan city were analyzed by item and critical functions of the village wetland. They were derived by assessment indicators of ecosystem services, and the village wetland ecosystem were presented by Focus Group Interview (FGI). The 20 critical indices were selected from 52 different indices by analyzing the wetland function assessment items. 13 indicators excluding duplicate indexes by function, were selected as ecological service impact indicators. Finally, ecosystem services were evaluated by using AHP analysis to calculate the weight of each assessment indices and apply it to the 9 village wetlands. The results of this study confirmed that the functions of the village wetlands are compliant with the ecosystem services. Based on this assessment of the unique functions of wetlands, it will serve as a methodology for assessing ecosystem services. The study was also conducted on 49 wetlands in Cheonan. The detailed assessment of wetland ecosystem services based on the wetland ecosystem function proposed by this study, was further developed as a follow-up study. It suggested that the wetland areas should be compared and be used as a general standard. In addition to the assessment of the economic value of ecosystem services provided by the village wetlands, it would be useful to assess the unique features and convert them into value.

An Analysis of Korean Middle School Students' Achievement of Earth Science in TIMSS-R (제3차 수학.과학 성취도 국제 비교 반복 연구의 지구과학 성취도 분석)

  • Myeong, Jeon-Ok;Hong, Mi-Young
    • Journal of The Korean Association For Science Education
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    • v.22 no.3
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    • pp.649-659
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    • 2002
  • The purpose of this study was to analyse students' achievement of 'Earth Science' in the Third International Mathematics and Science Study-Repeat(TIMSS-R), which was performed in 1999 with 38 nations participating. Korean 8th grade students' achievement of 'Earth Science' was compared with those of other countries and other content areas in science. Average percent correct of items in each subcategory was also analysed. Most of the 'Earth Science' topics were included in the intended curricula of Korea; they were taught to most of the students in science classes. Korean students ' average scale score of 'Earth Science' was significantly higher than the international average, but in comparison with other science content areas, achievement of 'Earth Science' was relatively low. The teachers' confidence in teaching earth science was lower than their confidence in teaching other science areas. The paper presents the results of item analysis and their implications for science education.

Analysis of Influencing Item of Green Building Certification;Focused on Energy Part of Commercial Buildings (친환경 인증 사업타당성 영향요인 분석;업무용건축물의 에너지 평가부문을 중심으로)

  • Kook, Dong-Hoon;Kim, Ah-Yung;Han, Kap-Kyu;Kim, Sun-Kuk
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2007.11a
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    • pp.431-435
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    • 2007
  • Green Building Certification Program, which was first introduced to residential buildings in Korea in 2002, has been put on track. This program is expected to bring about the effect in the economic viewpoint that was based on a life-cycle-cost analysis, not to mention the environmental viewpoint. However, given the fact that the existing model for feasibility analysis focusing on early investment cost can hardly be applicable to the green buildings because of lacking the life-cycle-cost reduction factor, it remains still difficult to conduct an objective evaluation. The study thus was intended to identify the factors that should be additionally considered in conducting the feasibility study to be implemented through the analysis of the certification items of green buildings as a preliminary study in structuring the evaluation model for feasibility analysis of green buildings.

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Comparison of Websites Offering Nutrition Services Controlled by Registered Dietitians and Those Controlled by Non-dietitian Nutrition Consultants

  • Hires Brigette;Ham Sunny;Forsythe Hazel W.
    • Journal of Community Nutrition
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    • v.8 no.1
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    • pp.9-15
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    • 2006
  • Health care is one of the most popular reasons for accessing the Internet. Of concern is the amount of information from disreputable sources available on the Internet. A review of websites offering nutrition consulting services suggests sites are controlled by both registered dietitians and non-dietitian professionals marketing themselves as nutrition consultants. The purpose of this study was to investigate structure and content of websites controlled by registered dietitians and nondietitians professionals marketing themselves as nutritionists or nutrition consultants. Internet search queries of 'dietitian', 'dietitian consultant', and 'nutrition consultant' were completed for website selection. Thirty websites controlled by registered dietitians and 10 websites controlled by nutrition consultants were reviewed using an 18-item website evaluation instrument developed for this study. Five evaluators were recruited from the dietetics program at the University of Kentucky. Overall, websites controlled by registered dietitians ranked higher than websites controlled by nutrition consultants in a majority of categories. Sites controlled by registered dietitians ranked statistically higher for the following categories: 'accuracy of information'(p<.0001), 'inclusion of professional resume of owner or primary manager' (p<.05), and 'explanation of the affiliation to externallinks'(p<.05). A majority of sites controlled by both dietitians and nutrition consultants achieved a poor ranking in regards to provision of a legal disclaimer and inclusion of a privacy policy. Prior studies suggest personal privacy is the most important concern for consumers accessing health information on the Internet. Findings from this project will benefit dietitians to assist in development of reputable nutrition related websites.