• Title/Summary/Keyword: Five-Factors Analysis

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Selection of Influencing Factors for Human Reliability Analysis of Accident Management Tasks in Nuclear Power Plants (원자력 발전소 사고관리 직무의 인간신뢰도분석을 위한 수행영향인자의 선정)

  • Kim, Jae-Hwan;Jeong, Won-Dae
    • Journal of the Ergonomics Society of Korea
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    • v.20 no.2
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    • pp.1-28
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    • 2001
  • This paper deals with the selection of the important Influencing Factors (IFs) under accident management situations in nuclear power plants for use in the assessment of human errors. In order to achieve this goal, we collected two types of IF taxonomies, one is the full set IF list mainly developed for human error analysis. and the other is the IFs for human reliability analysis (HRA) in probabilistic safety assessment (PSA). Five sets of IF taxonomy among the full set IF list and ten sets of IF taxonomy among HRA methodologies were collected in the study. From the review and analysis of BRA IFs, we could obtain some insights for the selection of HRA IFs. By considering the situational characteristics of the accident management domain, candidate IFs are chosen. Finally, those IFs are structured hierarchically to be appropriate for the use in the assessment of human error under accident management situation. Three nuclear accidents such as TMI. Chernobyl and JCO were analysed to validate the proposed taxonomy.

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Housing Life Styles of Apartment Dwellers by Alteration in Ulsan (울산시 중소형 개조 아파트 거주자의 주거생활양식)

  • 김선중;서종녀
    • Journal of the Korean housing association
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    • v.11 no.1
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    • pp.25-36
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    • 2000
  • The purpose of this study was to analysis housing life styles of apartment dwellers by alteration in Ulsan, got hold of the influencing variables of housing life styles and indicated source materials about the plan of alteration of apartment dwellers. As a methodology for this study, questionnaire survey were used. The number of 228 cases were analyzed through SPSS PC+. For the analysis of the data, such techniques were used as reliability analysis, frequence analysis, factor analysis, correlation analysis, and multiple regression analysis.The major findings of this study were as followings: 1. Housing life styles of apartment dwellers by alteration in Ulsan identified five factors. In order of decreasing importance, these factors included: i)practicality, ii)ornament, iii)the faculty of space, iv) actuality, and v) spending habits. 2. The size of a family, wife's education, income, cost of alteration, and the area of installment sale were the most significant factors that influenced housing life styles of apartment dwellers by alteration in Ulsan.

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Investigation of Factors Influencing Career Decision-Making of Students in Foodservice Management and Culinary Arts Programs (취업희망분야와 의사결정 영향요인의 관계에 관한 연구 -식품영양 및 외식$\cdot$조리 전공자를 중심으로-)

  • Lee Kyung-Eun;Kim Tae-Hee
    • Korean Journal of Community Nutrition
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    • v.10 no.3
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    • pp.311-318
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    • 2005
  • The purposes of the study were to identify important attributes in foodservice management and culinary arts students' career decision-making and to investigate factors determining their preferred employment fields. A questionnaire that consisted of preferred employment fields, importance rating of 19 attributes related to job choices, and demographic information was developed based on a review of literature. A total of 319 students enrolled in food and nutrition, foodservice management, and culinary arts programs of eight 2-year colleges and 4-year universities in Seoul and Kyunggi Province participated in the survey. Data were analyzed using SPSS Win (version 10.0) with descriptive statistics, chi-square analysis, one-way analysis of variance, factor analysis, and discriminant analysis. Attributes of the highest importance scores included fringe benefits, wages and promotion opportunities, working environments, professional development opportunities, and organizational culturs. The students who preferred non-commercial foodservice as a career choice depended more on 'word-of-mouth from faculty' than those who preferred other fields (F=3.094, p < .05) and rated importance of 'participation in job fairs' higher than those who selected hotel food and beverage (F : 5.048, p < .01) . A factor analysis of the 19 attributes resulted in five factors: job/compensation policy, impersonal communication, company image, word-of-mouth, and personal experience. The five factors explained $67\%$ of the total variance. A discriminant analysis revealed that students who perceived 'impersonal communication' and 'word-of-mouth' more important were likely to prefer non-commercial foodservice as a career choice. The results would be used by university faculty in advising graduating students on career selection and by recruiters in developing effective and attractive recruiting programs.

Country Clustering Based on Environmental Factors Influencing on Software Piracy (소프트웨어 불법복제에 영향을 미치는 환경 요인에 기반한 국가 분류)

  • Suh, Bomil;Shim, Junho
    • The Journal of Information Systems
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    • v.26 no.4
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    • pp.227-246
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    • 2017
  • Purpose: As the importance of software has been emphasized recently, the size of the software market is continuously expanding. The development of the software market is being adversely affected by software piracy. In this study, we try to classify countries around the world based on the macro environmental factors, which influence software piracy. We also try to identify the differences in software piracy for each classified type. Design/methodology/approach: The data-driven approach is used in this study. From the BSA, the World Bank, and the OECD, we collect data from 1990 to 2015 for 127 environmental variables of 225 countries. Cronbach's ${\alpha}$ analysis, item-to-total correlation analysis, and exploratory factor analysis derive 15 constructs from the data. We apply two-step approach to cluster analysis. The number of clusters is determined to be 5 by hierarchical cluster analysis at the first step, and the countries are classified by the K-means clustering at the second step. We conduct ANOVA and MANOVA in order to verify the differences of the environmental factors and software piracy among derived clusters. Findings: The five clusters are identified as underdeveloped countries, developing countries, developed countries, world powers, and developing country with large market. There are statistically significant differences in the environmental factors among the clusters. In addition, there are statistically significant differences in software piracy rate, pirated value, and legal software sales among the clusters.

A Study on the Information Search Behavior Emphasis on the Self-image and Benefit - (의복 구매시 정보 탐색 활동에 관한 연구 -자아 이미지와 추구 편익을 중심으로-)

  • 임경복
    • Journal of the Korean Society of Clothing and Textiles
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    • v.22 no.1
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    • pp.61-71
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    • 1998
  • The purpose of this study was to identify the factors which explain consumer's information search behavior. Data were analyzed by utilizing factor analysis and multiple-regression to investigate the relationship among information sources, benefit, and actual and ideal self- image and demographics. Based on the results, information sources for benefit, actual and ideal self-image were developed. Predictors of information sources, benefits, and self-image were identified. Marketing implication about information sources were discussed. The results were as follows. 1. Actual and ideal self-images and information sources were devised into three factors. And benefits were devised into five factors. 2. Actual self-image has more predicting power than ideal self-image to the benefits which consumer sought. Among five benefits, character pursuit was the best predicted factor according to the self-image. 3. Among three information sources, mass communication was the most effective source which can be explained by the benefit and self-image. Fashion pursuit factor was the most significant factor to the mass communication oriented source.

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Stress concentration factors for finite orthotropic graphite/E laminates with a circular hole (圓孔 이 있는 有限 直交異方性 Graphite / E Laminate 의 應力集中係數)

  • 홍창선
    • Transactions of the Korean Society of Mechanical Engineers
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    • v.4 no.3
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    • pp.113-118
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    • 1980
  • Stresses were calculated for finite-width orthotropic laminates with a circular hole and remote uniaxial loading using a two-dimensional finite-element analysis with both uniform stress and uniform displacement boundary conditions. Five different laminates were analyzed: quasi-isotropic [0.deg./.+-.45.deg./90.deg.].$\_$s/, 0.deg., 90.deg., [0.deg./90.deg.]$\_$s/, and [.+-.45.deg.]$\_$s/, Computed results are presented for selected combinations of hole diameter-sheet-width ratio d/w and length-to width ratio L/w. For small L/w values, the stress-concentration factors K$\_$tn/ were significantly different for the uniform stress and uniform displacement boundary conditions. Typically, for the uniform stress conditions, the K$\_$tn/ values were much larger than for the infinite-strip reference conditions; however, for the uniform displacement conditon, they were only slighty smaller than for this reference. The results for long strips are also presented as width-correction factor. For d/w.leg.33, these width-correction factors are nearly equal for all five laminates.

The Effects of Clothing Consumption Values on Ambivalent Clothing Consuming Behavior (의복소비가치가 양면적 의복소비행동에 미치는 영향)

  • Moon, Hee-Kang;Choo, Ho-Jung
    • Journal of the Korean Society of Costume
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    • v.58 no.2
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    • pp.1-14
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    • 2008
  • This study aimed to investigate the associations between clothing consumption values and the ambivalent clothing consuming behavior of young female adults. To explain the ambivalent consuming behavior prevailing in the contemporary fashion market, five dimensional consumption values proposed by Sheth(1991) were adopted as explanatory factors, and fashion leadership and spending were included as moderating factors. Data collecting using written survey instrument yielded one hundred and seventy two complete responses from female consumers aged between 20 and 39. Factor analysis on clothing consumption values resulted in five dimensional structures of consumption values for the sample: expressive, epistemic, functional, social, and fashionable values. Among these, expressive, functional, and social values significantly affected ambivalent consuming behavior. The effect of expressive value was strong regardless of fashion innovativeness, opinion-leadership, and monthly income of consumers, however, the effects of epistemic, functional, and social values were changed depending on the moderating factors.

The Effect of Consumption Value on College Students' Clothing Attitudes (남녀 대학생의 소비가치가 의복태도에 미치는 영향)

  • Park, Eun-Hee;Ku, Yang-Suk
    • Journal of Fashion Business
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    • v.12 no.5
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    • pp.141-154
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    • 2008
  • The purpose of this study was to identify factor structure of consumption value, clothing attitudes and the effects of consumption value on clothing attitudes. Questionnaires were administered to 513 college students living in Deagu and Kyungbook province. Data were analyzed by using frequency, factor analysis, multiple regression, t-test, ANOVA, and Scheffe-test. The findings are as follows. Consumption values were composed of five factors such as social value, differentiated individuality, material value, functional value, and circumstances value. Clothing attitudes were composed of five factors such as pursuit of individuality, fashion interests, utility pursuit, appearance conspicuousness, and social approval. The effects of consumption value on each of clothing attitude variables, pursuit of individuality, fashion interests, appearance conspicuousness, and social approval were explained by the factors such as social value, differentiated individuality, and functional value, utility pursuit by social value, functional value, and circumstances value.

The Predictive Power of Multi-Factor Asset Pricing Models: Evidence from Pakistani Banks

  • SALIM, Muhammad;HASHMI, Muhammad Arsalan;ABDULLAH, A.
    • The Journal of Asian Finance, Economics and Business
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    • v.8 no.11
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    • pp.1-10
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    • 2021
  • This paper compares the performance of Fama-French three-factor and five-factor models using a dataset of 20 Pakistani commercial banks for the period 2011 to 2020. We focus on an emerging economy as the findings from earlier studies on developed countries cannot be generalized in emerging markets. For empirical analysis, twelve portfolios were developed based on size, market capitalization, investment strategy, and growth. Subsequently, we constructed five Fama-French factors namely, RM, SMB, HML, RMW, and CMA. The OLS regression technique with robust standard errors was applied to compare the predictive power of both the Fama-French models. Further, we also compared the mean-variance efficiency of the Fama-French models through the GRS test. Our empirical analysis provides three unique and interesting findings. First, both asset pricing models have similar predictive power to explain the expected portfolio returns in most cases. Second, our results from the GRS test suggest that there is no noticeable difference in the mean-variance efficiency of one asset pricing model over the other. Third, we find that all factors of both Fama-French models are statistically significant and are important for explaining the volatility of expected commercial bank returns in the context of Pakistan.

Factors Affecting Parents' Intention to Choose English Centers: The Role of STEM Education

  • Tran, Do-Van-Anh;Nguyen, Ngoc-Duyen;Tang, Thai-Ngoc;Le, Dinh-Bao-Nhi;Vo, Huyen-Yen-Nhi;Le, Hoanh-Su
    • Journal of Multimedia Information System
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    • v.7 no.1
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    • pp.87-96
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    • 2020
  • Parents' desire for daily English practice for students and the urge for a etter English education has led to a demand for a highly qualified educational curriculum. In addition to getting deep-dive insights into parents' decision-making process, the increasingly important role of STEM education method has been proved in accordance with plenty of evidenced-based many of previous research. This study was conducted to examine the five independent factors affecting parents' intentions when designating English centers for their children, respectively named: Facility, Teachers, Brands, Social factors and Tuition. Through a preliminary approach, 235 samples were analyzed. Analysis of the sample responses reveals the importance level of five independent factors affecting Parents' intention to choose English centers in descending order: Facilities, Teachers, Brands, Tuition and Social factors. Furthermore, a positive correlation was found between STEM and Intention to choose English centers, indicating that whether the center applies STEM-related curriculum in English courses or not, in fact, has a significant impact on parents' decision. In terms of attitude towards STEM, further statistical tests revealed an interesting finding, which is the fact that how STEM affects Intention of parents is directly proportional to the Attitude towards STEM. With the help of SPSS 20 and AMOS 20, the SEM analysis was processed in order to draw conclusions about factors impacting Intentions to choose English centers. Combining with Multi-group analysis, the major role of STEM education has been assessed in relation to plenty of correlations. In light of recent major and massive growth of English teaching market in Vietnam, several suggestions and recommendations in terms of sustainable developments have been displayed in this research.