• Title/Summary/Keyword: Statistical decision

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Cross- cultural Study of Clothing Deprivation and Clothing Decision Criteria in Korean and Taiwanese Young Women

  • Lee, Seung-Hee
    • Journal of Fashion Business
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    • v.14 no.6
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    • pp.1-10
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    • 2010
  • The purpose of this study was to explore and compare the perception of Korean and Taiwanese young women's clothing deprivation and clothing decision factors. The study used a convenience sample consisting of 238 female college students: 101 Korean with a mean age of 20.78 and 137 Taiwanese with a mean age of 21.03. Statistical Package for Social Science (SPSS) Version 14.0 for windows was used for the data analysis. The clothing decision criteria and clothing deprivation scale were used for the study. The Koreans chose both brand name and newest fashion as higher criteria than Taiwanese. Both countries chose fit (4.28/ 4.09) as an important factor of how often they think about things when they decide what clothes to wear. Compared to Korean women, clothing deprivation for clothes for school was twice as high among Taiwanese women. Korean women had relatively low percentage of clothing deprivation for clothing for school and for friends. However, they did have higher clothing deprivation for dress-up clothes.

The Causal Relationship among Career Decision-making, Motivation for Career Choices, Career Capabilities of Undergraduate Students (대학생의 진로 결정과 진로 선택 동기, 진로 역량의 인과적 관계)

  • Kim, EunJung;Lee, Taewon;Sung, Haengnam
    • Journal of Korea Society of Industrial Information Systems
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    • v.26 no.4
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    • pp.73-89
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    • 2021
  • Establishing career goals and making a career choice is the most crucial task for college students. This study aims to identify the motive of college students' career choices and analyze the relationship between career capabilities and career decision-making in order to provide basic materials that can assist college students in the career decision-making process. To do this, a survey was conducted among college students attending a D university in Busan. A total of 326 survey responses were selected for analysis, and path analysis was conducted using SPSS 25 and AMOS 25. The results of the study are as follows. First, intrinsic motivation for career choice and extrinsic motivation for career choice were found to affect career consideration and career management capabilities, respectively, with statistical significance. Second, career consideration and career path management capabilities influenced both concreteness and confidence, which are elements of career decision-making with statistical significance. Intrinsic motivation for career choice and extrinsic motivation for career choice affected concreteness and confidence in career decision-making with career consideration and career management capabilities as parameters. These findings imply that in order to increase the concreteness and confidence in the career decision-making of undergraduate students, it is necessary to strengthen their career consideration and career management capabilities. As the unemployment rate of youths rises and the types and specialization of jobs increase amid uncertainty in the future employment conditions, undergraduate students face increasing difficulties in career decision-making. The results of this research are expected to be used as basic materials for the career decision-making of undergraduate students, which will assists in career path consultation and guidance in universities.

A study on decision making system in library management with an analysis on the case study of university library in Seoul (도서관경영에 있어서 의사결정시스템에 관한 연구)

  • Lee Woo Bum
    • Journal of the Korean Society for Library and Information Science
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    • v.20
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    • pp.163-222
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    • 1991
  • This dissertation are studying the conceptual structure of decision making situation in libraries, by analyzing the library function, decision makings of library and then seeking economic and efficient alternative decision making by programming the· decision making situations, and finally, introducing how to apply management information system or decision making support system. For this purpose, in order to analyzing necessary factors for the decision making system, the questionnaire used Lickert method were distributed to 400 librarians of 36 universities in Seoul by means of mail. 193 librarians, $48\%$ of the questionnaire, are returned are studied by using 'SYSTAT' statistical software to figure out the factors of the decision making system. This dissertation was put six hypotheses and tested with the returned questionnaire. The following five result can be asserted. First, to the higher degree of the librarians' participation in the important library decision makings, the quality of formal library services are improved regardless of seniority of the work. Secondly, the t-test results show that all of t-test scores of seniority of the work, educational background, and responsibilities of the work are exceeding significant level and perception of decision making was proved to be different depending on seniority of the work, educational background, and responsibilities of the work in libraries. Thirdly, as the results of factor af factor analysis, the encouragement on participation in the library academic activities, the extent to get useful information about performances of library and the improvements of library works were grouped by similar posibilities of distribution and therfore the academic activities, the collection of information and the improvement of library performances is proved to be interrelational each other. Fourthly, the fifth hypothesis of the close relationship between the decision making situation and types of advisor by it was more or less interrelational, but their relationship was not seen some significancies. Lastly, as the dynamic organization of library management forming a special commitee or a project team with librarian can improve the extent and quality of the librarian's participation in the decision making of library works, and thus library will become to performance more rational and effective library management.

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Reliability - Based Decision Analysis for Structures (신뢰성에 기반한 구조물 의사결정 방법)

  • Kim, Lee-Hyeon;Kim, Dong-Geun;Han, Seo-Yeon
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.3208-3213
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    • 2011
  • It has regarded an attempt to design and construct more safe structures as challenges such as fate. In order to operate public facilities safely, It can be taken how to improve the resistance to applied load by increasing the cross-section of structural members or by installing reinforcement. But inevitably such a way is accompanied by an increase of construction cost or maintenance cost. To make a cost-effective construction, Reliability-based decision analysis which can judge the adequacy of investment is suggested using statistical data of the load, resistance and the maintenance cost.

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The Magnitude Distribution method of U/V decision (음성신호의 전폭분포를 이용한 유/무성음 검출에 대한 연구)

  • 배성근
    • Proceedings of the Acoustical Society of Korea Conference
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    • 1993.06a
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    • pp.249-252
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    • 1993
  • In speech signal processing, The accurate detection of the voiced/unvoiced is important for robust word recognition and analysis. This algorithm is based on the MD in the frame of speech signals that does not require statistical information about either signal or background-noise to decide a voiced/unvoiced. This paper presents a method of estimation the Characteristic of Magnitude Distribution from noisy speech and also of estimation the optimal threshold based on the MD of the voiced/unvoiced decision. The performances of this detectors is evaluated and compared to that obtained from classifying other paper.

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Theoretical recognition thresholding decision of Han-geul character in Rapid Transform region (R-변환 영역에서 한글 문자의 인식한계 결정)

  • Chin, Yong-Ohk
    • Proceedings of the KIEE Conference
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    • 1987.07b
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    • pp.936-940
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    • 1987
  • This paper describes the recognition boundary of Hangeul character to interpret variance factor in accordance with various combination. When the recognition algorithm based on comparing the MSE value with the one of the standard pattern in $16{\times}16$ images is performed, we come to a conclusion that we have towe must make a decision MSE value above 34 in order to achive theve recognition rate larger than 90%. Also we understand that varing component coordinates method based on statistical process of each character pattern is preferred.

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An Intelligent Decision Support System for Demand Forecasting. (수요예측을 위한 지능형 의사결정지원시스템 구축)

  • 염창선
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.59
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    • pp.43-51
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    • 2000
  • Many organizations are currently adjusting the statistical forecasts with qualitative factors. However, so for a few forecasting system with adjustment process have been developed. They have difficulties in managing knowledge and estimating the quantity of adjustment. In this study, the forecasting support system adopting the frame based knowledge representation and containing the decision making scheme for adjustment is proposed to overcome these difficulties. According to the experiments, the proposed system improves the forecasting performance on gasoline case.

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An Integrated Sequential Inference Approach for the Normal Mean

  • Almahmeed, M.A.;Hamdy, H.I.;Alzalzalah, Y.H.;Son, M.S.
    • Journal of the Korean Statistical Society
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    • v.31 no.4
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    • pp.415-431
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    • 2002
  • A unified framework for statistical inference for the mean of the normal distribution to derive point estimates, confidence intervals and statistical tests is proposed. This optimal design is justified after investigating the basic information and requirements that are possible and impossible to control when specifying practical and statistical requirements. Point estimation is only credible when viewed in the larger context of interval estimation, since the information required for optimal point estimation is unspecifiable. Triple sampling is proposed and justified as a reasonable sampling vehicle to achieve the specifiable requirements within the unified framework.

An Introduction to Data Analysis (자료 분석의 기초)

  • Pak, Son-Il;Lee, Young-Won
    • Journal of Veterinary Clinics
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    • v.26 no.3
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    • pp.189-199
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    • 2009
  • With the growing importance of evidence-based medicine, clinical or biomedical research relies critically on the validity and reliability of data, and the subsequent statistical inferences for medical decision-making may lead to valid conclusion. Despite widespread use of analytical techniques in papers published in the Journal of Veterinary Clinics statistical errors particularly in design of experiments, research methodology or data analysis methods are commonly encountered. These flaws often leading to misinterpretation of the data, thereby, subjected to inappropriate conclusions. This article is the first in a series of nontechnical introduction designed not to systemic review of medical statistics but intended to provide the journal readers with an understanding of common statistical concepts, including data scale, selection of appropriate statistical methods, descriptive statistics, data transformation, confidence interval, the principles of hypothesis testing, sampling distribution, and interpretation of results.

Determinants Affecting Thai Merchant Marine Students' Decision in Selecting a Maritime Institute in Thailand: Nautical Science Program (태국의 해기교육기관 선택에 있어서 상선 사관 학생들의 결정에 영향을 미치는 요인: 항해 프로그램)

  • Luksanato, Sarawut
    • Journal of Navigation and Port Research
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    • v.37 no.4
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    • pp.359-366
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    • 2013
  • The objective of the research was to study the determinants affecting the decision to study nautical science program within a Thai maritime institute in preparation for working post-graduation as a ship officer on a merchant ship. The samples are classified by institute, academic year, cumulative score level, domicile, and parent's monthly income. The total sample of study was 386 Thai merchant marine students. The data collection method was a one to five rating scale questionnaire. The statistical methods applied in analyzing the data were percentage, mean, standard deviation, t-test, one way analysis of variance and a Sheffe's test. The study shows seven factors that influenced the decision in descending order; expectations, tuition and scholarships, selection system, quality of the institute, background and private capability, generality of the institute and external influences on the decision. The decision to select an institute was classified by institute and revealed that different institutes had distinct determinants that led to the decision. The students were from The Merchant Marine Training Center and from The International Maritime College, Kasetsart University were differences. There were no dissimilarity between academic year, cumulative score level, domicile, and parent's monthly income.