• 제목/요약/키워드: qualitative and quantitative analysis

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하수관거보수 순위결정을 위한 침입수/유입수량에 대한 정량/정성 분석의 실행 연구 (A Quantitative/Qualitative Study of Infiltration/Inflow for Order Decision of Sewer pipe Maintenance)

  • 박명균;김대성;안원식;오정미
    • 상하수도학회지
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    • 제20권1호
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    • pp.53-62
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    • 2006
  • This study was carried out to obtain quantities of infiltration, inflow and exfiltration on sewer pipes of three areas at a small city. From the results, the most investigated sewer pipes should be infiltrated by underground water and undetermined water. Flowrate commonly showed two peak at 6 to 8 a.m. and 6 to 9 p.m. and which may be influenced by the sewer flowrate with washing or bathing time. BOD/TN ratio of below 4.0 were inferior as compared with proper criteria 5.1. Infiltration/inflow rates of three areas were 21.7% and $0.08m^3/km$ of A, 12.4% and $0.015m^3/km$ of B, 22.4% and $0.021m^3/km$ of C, respectively. This indicates that infiltration/inflow rate of A was obviously greater than that of B and C. Also, these results show that we can conduct sewer maintenance in good order as A, C and B zone.

한류(韓流) 현상에 중국 신세대 패션에 미친 영향 분석 (The Analysis of the Effects of Hanliu Phenomenon on the Chinese Young Generation′s Fashion Style)

  • 김재은;박길순
    • 한국의류학회지
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    • 제28권1호
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    • pp.154-164
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    • 2004
  • The purpose of this theses is to review Hanliu phenomenon, a kind of social and cultural phenomenon, in China around A. D. 2000 in the view of the culture-diffusion theory, and analyze its effect to the fashion style of the new young generation of China. In this theses, Hanliu phenomenon means the enthusiasm of Asian people for Korean mass cultures such as Korean dramas, pop songs and fashions from late 1990's. This research adopts two kinds of methods for analyzing Hanliu phenomenon: a qualitative research method and a quantitative one. As a qualitative research method, we analyzed Hanliu phenomenon with several sources of documentaries and audio-visual materials on it. As a quantitative research method, we conducted a survey of about 100 university students in Beijing for how they feel of korean culture and fashions. The Hanliu phenomenon leads to the popularity of Korean products and the general Korean cultures. Also, it affected the Chinese young generation so much that the Korean fashion becomes popular among them. Its effects to the fashion styles of Chinese youths can be summarized in three factors as follows. Firstly, the fashions of Korean entertainers such as H.O.T hair style and Hip-hop fashion style are widely imitated. Secondly, the preference of Korean fashion products has been widely increased. The number of stores dealing with Korean fashion products has been increased. Finally, Korean culture and products have actively been imitated in China according to the increased popularity of Korean fashion products.

A Data Mining Approach for a Dynamic Development of an Ontology-Based Statistical Information System

  • Mohamed Hachem Kermani;Zizette Boufaida;Amel Lina Bensabbane;Besma Bourezg
    • Journal of Information Science Theory and Practice
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    • 제11권2호
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    • pp.67-81
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    • 2023
  • This paper presents a dynamic development of an ontology-based statistical information system supporting the collection, storage, processing, analysis, and the presentation of statistical knowledge at the national scale. To accomplish this, we propose a data mining technique to dynamically collect data relating to citizens from publicly available data sources; the collected data will then be structured, classified, categorized, and integrated into an ontology. Moreover, an intelligent platform is proposed in order to generate quantitative and qualitative statistical information based on the knowledge stored in the ontology. The main aims of our proposed system are to digitize administrative tasks and to provide reliable statistical information to governmental, economic, and social actors. The authorities will use the ontology-based statistical information system for strategic decision-making as it easily collects, produces, analyzes, and provides both quantitative and qualitative knowledge that will help to improve the administration and management of national political, social, and economic life.

구조방정식을 이용한 웹사이트의 인간공학적 평가 방법에 관한 연구 (A Study on the Website Evaluation Method Using the SEM)

  • 최재호;백인기
    • 대한인간공학회지
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    • 제22권2호
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    • pp.45-56
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    • 2003
  • The purpose of this study is to develop the model including multiple causal relationship between factors to evaluate overall user satisfaction and develop an objective method to quantify the impacts and scores of each qualitative factors on overall user satisfaction using Structural Equation Model(SEM) and also test the feasibility to construct a comprehensive website evaluation model including qualitative and quantitative factors. The SEM model used 2 qualitative factors of usability and esthetic factors for the evaluation factors of user satisfaction and select 4 attributes of each factors using factor analysis. 3 shopping mall sites were evaluated to construct the SEM model, and 155 subjects participated the website evaluation using the walk-through and face-to-face survey method. Analysis results showed that the SEM model was statistically significant for all the 3 websites evaluated. Both the usability and esthetic factors showed significant effects to user satisfaction of websites and have positive correlation. The user satisfaction was more effected by the usability factor than esthetic factors, and the simplification and harmonization were the most critical attributes of the usability and esthetic factors.

Quantitative Risk Assessment in Major Smartphone Operating Systems in Asian Countries

  • Joh, HyunChul
    • 한국멀티미디어학회논문지
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    • 제17권12호
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    • pp.1494-1502
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    • 2014
  • Since smartphones are utilized in the ranges from personal usages to governmental data exchanges, known but not patched vulnerabilities in smartphone operating systems are considered as major threats to the public. To minimize potential security breaches on smartphones, it is necessary to estimate possible security threats. So far, there have been numerous studies conducted to evaluate the security risks caused by mobile devices qualitatively, but there are few quantitative manners. For a large scale risk evaluation, a qualitative assessment is a never ending task. In this paper, we try to calculate relative risk levels triggered by software vulnerabilities from unsecured smartphone operating systems (Android and iOS) among 51 Asian countries. The proposed method combines widely accepted risk representation in both theory and industrial fields. When policy makers need to make a strategic decision on mobile security related agendas, they might find the presented approach useful.

Identification of Superior Polyvoltine Hybrids (polyvoltine${\times}$bivoltine) of Silkworm, Bombyx mori L.

  • Rao, C.G.P.;Chandrashekharaiah;Basha, K.Ibrahim;Seshagiri, S.V.;Ramesh, C.;Nagaraju, H.
    • International Journal of Industrial Entomology and Biomaterials
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    • 제8권1호
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    • pp.43-49
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    • 2004
  • Ten promising polyvoltine mulberry silkworm strains(SDMGl, SDMG2, SDMG3, SDMG4, SDMWl, SDMW2, RMWl, RMW2, RMW3 and RMW4) that are superior in quantitative and qualitative traits have been synthesized in the polyvoltine breeding laboratory of Andhra Pradesh State Sericulture Research & Development Institute, Hindupur through systematic hybridization and appropriate selection methods. After the genotypes were found homozygous for the desired traits, they have been crossed with 3 bivoltine testers $(APS8, APS4 and {NB_2}{D_4})$ and thirty new hybrid combinations were developed for the assessment of their hybrid performance. Phenotypic expressions of economically important quantitative and qualitative traits of fist filial generation were measured and subjected for statistical analysis. Evaluation Index and Subordinate Function methods were employed for the assessment of hybrid performance since they are widely used in silkworm hybrid evaluation. Total of seven poly${\times}$bivoltine combinations, which ranked high in both the methods, were selected as potential combinations for further field test. These combinations also ranked significantly higher than the control hybrid (APMl${\times}$APS8).

영적 간호에 관한 국내 연구동향 분석 (Analysis of Research Trends about Spiritual Care in Korea)

  • 유승연
    • 성인간호학회지
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    • 제25권3호
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    • pp.332-343
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    • 2013
  • Purpose: The purpose of this study was to analyze the research trends of spiritual care in Korea and to make suggestions for future studies. Methods: 209 researches from 1981 to 2012 were analyzed. Results: Among the 209 studies reviewed. 74 were thesis studies and 135 for reported research in academic journal. There were 169 quantitative studies, 11 qualitative studies and 29 other types studies. The most frequently used study design was correlational. The majority of study participants were patients, followed by nursing students, nurses or non-medical participants. In the correlation studies, the variable of spiritual well-being had a positive correlation with hope, self-esteem and spiritual nursing care and a negative correlation with depression, anxiety and loneliness. In the experimental studies, the independent variables were spiritual nursing intervention, spiritual care education program and spiritual promoting intervention. The main theme of qualitative studies were the experience of spiritual care, spiritual experience and the most frequent designs were grounded theory, phenomenology and interpretative phenomenology. Conclusion: The domestic research about spiritual care needs to utilize a variety of approaches including concept or tool development study suitable for Korean peoples, multi-disciplinary research, qualitative study and program development study.

성인 약물남용 재활 프로그램의 효과성 연구 (A Study on effectiveness of the relapse prevention program for adult substances abusers)

  • 장진경
    • 가정과삶의질연구
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    • 제19권1호
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    • pp.33-52
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    • 2001
  • The purpose of this study was to examine the effectiveness of using the relapse prevention program for adult substance addicts. Based on the results from the study of educational needs for the relapse prevention program among substance addicts the 10-session-relapse prevention program was developed. Then the researcher conducted the relapse prevention program for 15 adult methamphetamine addicts from Aug. 3 1999 to Sep. 4 1999 at the probation office in Suwon, South Korea. For examining the effectiveness of using that relapse prevention program the Social Adjustment Scale-Self Report(SAS-SR), McMullin Addiction Thought Scale(MAT), and Self Esteem Rating Scale(SERS) were used whether or not their social adjustment level, self-esteem level, and addiction thought level were improved. This study employed one group pre-post test research design as a quantitative purpose and in-depth interview as a qualitative purpose. For a qualitative purpose in-depth interview was conducted in not only between sessions but also after sessions dealing with their current life problems. For a quantitative purpose the analysis strategy employed here was frequency and t-test. Results shows that addicts who took the relapse prevention program consistently reported the improvement of their social adjustment level, self-esteem level, and addiction thought level although there were no statistically significant between pre and post tests. The implication of study findings will be discussed.

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간호대학생을 위한 감성지능 향상 프로그램 개발 및 효과검증: 혼합연구 설계 적용 (Development and Effects of Emotional Intelligence Program for Undergraduate Nursing Students: Mixed Methods Research)

  • 이외선;구미옥
    • 대한간호학회지
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    • 제44권6호
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    • pp.682-696
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    • 2014
  • Purpose: This study was conducted to develop and test the effects of an emotional intelligence program for undergraduate nursing students. Methods: The study design was a mixed method research. Participants were 36 nursing students (intervention group: 17, control group: 19). The emotional intelligence program was provided for 4 weeks (8 sessions, 20 hours). Data were collected between August 6 and October 4, 2013. Quantitative data were analyzed using Chi-square, Fisher's exact test, t-test, repeated measure ANOVA, and paired t-test with SPSS/WIN 18.0. Qualitative data were analyzed using content analysis. Results: Quantitative results showed that emotional intelligence, communication skills, resilience, stress coping strategy, and clinical competence were significantly better in the experimental group compared to the control group. According to the qualitative results, the nursing students experienced improvement in emotional intelligence, interpersonal relationships, and empowerment, as well as a reduction in clinical practice stress after participation in the emotional intelligence program. Conclusion: Study findings indicate that the emotional intelligence program for undergraduate nursing students is effective and can be recommended as an intervention for improving the clinical competence of undergraduate students in a nursing curriculum.

장서평가에 관한 소고 -특히 이용조사를 중심으로- (Use Studies of Library Collections)

  • 유재옥
    • 한국문헌정보학회지
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    • 제15권
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    • pp.175-195
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    • 1988
  • Use studies of library collections have been conducted as a method of evaluating collections in a library. The main purpose of use studies is to evaluate the quality of a library collection in terms of extent and mode of its use. In addition to use studies, both quantitative and qualitative methods could be utilized in order to evaluate a library collection. However, the quantitative and qualitative collection evaluation methods are more concerned with the collection itself than with its use. Use studies have been conducted in large academic libraries for the following specific purposes: 1) They attempt to identify little used portion of collections that can be retired less accessible and less expensive storage area. 2) They try to identify core collections to satisfy some degree of circulation demands in the near future. 3) They try to identify use patterns of selected subject areas or type of books that can be used to adjusting collection development practices or fund allocations. 4) They try to assess the document delivery capability of a library to improve their availability. A number of methodologies employed for these specific purposes fall into four major categories; 1) circulation analysis method, 2) last circulation method, 3) relative use method, and 4) document delivery test. Each method is briefly reviewed with its limitations.

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