• Title/Summary/Keyword: time-consistency

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Improvement and Promotion Plan for the Screen Baseball Utilization (스크린야구 이용의 개선 및 증진방안)

  • Koo, Soo-Yong;Jeon, Yong-Bae;Choi, Eui-Yul
    • 한국체육학회지인문사회과학편
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    • v.54 no.4
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    • pp.363-372
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    • 2015
  • The purpose of this study was to suggest marketing plan to improve and promote screen baseball utilization, applying Importance-Performance Analysis (IPA) incorporating marketing mix 4Cs; Customer value, Convenience, Cost, and Communication. A convenience sample was made up of 267 users in screen baseball clubs located in metropolitan area. Evidence on validity and reliability of the data was obtained through exploratory factor analysis and internal consistency analysis. Frequency analysis and paired sample t-test for the difference verification of IPA were conducted also in SPSS version 21.0 with .05 of significance level. The main results of the study were as follows. First, there were partially significant differences between importance and satisfaction regarding the sub-categories of Customer value and Convenience. Second, there were all significant differences between importance and satisfaction regarding the sub-categories of Cost and Communication. Third, as the results regarding IPA, quadrant I indicating 'Keep up Good Work' included healthy use of leisure time, improvement of self-achievement, accessibility, communication between service user and provider, etc. Fourth, quadrant II indicating 'Concentrate Here' included diversification of screen baseball program, cost regarding facility use, etc. Fifth, quadrant III indicating 'Low Priority' included interpersonal relationship, subsidiary facilities, cost of food and beverage, etc. Lastly, quadrant IV indicating 'Possible Overkill' included improvement of physical health and life satisfaction and rules and procedures of screen baseball.

The Impact of Enviromental Uncertainty and Logistics Resources Capabilities on Logistics Performance through Relational Norms and Logistics Service in the Industrial Products (산업재 물류에서 환경 불확실성과 물류자원역량이 관계규범과 물류서비스를 통하여 물류성과에 미치는 영향)

  • Chun, Dal-Young;Kim, Hong-Sun
    • Asia Marketing Journal
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    • v.8 no.1
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    • pp.105-132
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    • 2006
  • The major purpose of this study is to investigate the impact of environmental uncertainties and logistics resources capabilities mediated by relational norms and logistics services on logistics performance in the industrial products. The 272 data were collected from the key informants who were working at the logistics-related departments in the H Heavy Industries & Construction and HSD Engine. The following results were verified using structural equation modeling. First, environmental uncertainties such as dynamism and heterogeneity unexpectedly had insignificant effects on relational norms such as information exchange and flexibility and logistics services such as product availability and on-time delivery. Second, logistics resource capabilities showed unique effects based upon its component's characteristics. For example, Logistics Information Systems did not have direct impact on logistics services but had indirect effect on logistics services via relational norms. On the other hand, logistics resources such as logistics specific assets and transportation service competencies had direct impact on logistics services but not on relational norms. Third, relational norms between transaction partners significantly affected logistics services but had insignificant effects on logistics performance such as logistics costs reduction and delivery qualities. Fourth, consistent with several studies, excellent logistics services between industrial purchaser and suppliers based upon relational norms did have significant effect on logistics performance such as delivery consistency and delivery qualities. Finally, the empirical results in this study could be strategic logistics management guidelines based upon the theoretical relationships among the environmental uncertainties, logistics information systems, logistics resources, relational norms, logistics services, and logistics performance.

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A Study on Evaluability Assessment of the Performance Evaluation for Public Organization Focusing on Case of KEPCO (공공기관 경영평가의 평가성 검토: 한전 사례를 중심으로)

  • Yoonseuk Woo
    • Knowledge Management Research
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    • v.24 no.3
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    • pp.17-34
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    • 2023
  • Recently, national concern for record breaking level of deficit operation of KEPCO grows bigger in Korea. With this regard, many stakeholders believe KEPCO should be responsible for this result although it is not clear whether KEPCO is only to blame who is in such position where full cost pricing is impossible and entrepreneurial efficiency is not guaranteed. Particularly, less concern is given to Performance Evaluation for Public Organization(PEPO) which did not give prior warning against major deficit of KEPCO or help to improve its capacity to deal with the problem, and thus prevented KEPCO from acknowledging its managerial weakness by crediting KEPCO with successive grade B during the period of previous government. Based on such viewpoint, this study analyzes reports of PEPO for 5 years in terms of evaluability assessment and suggests proper direction for better PEPO in the future. From this analysis, it was found that firstly, relevant suggestion was not made to prevent or improve defict problem; secondly, comments are increasing every year without consistency; thirdly, comments related to long-term investment are only recently found; fourthly, suggestions are based on political orientation rather than evidence or expertise. This study is expected to contribute to evidence-based evaluation and knowledge management since it tackles evaluation reports themselves for the first time.

A Fundamental Study of VIV Fatigue Analysis Procedure for Dynamic Power Cables Subjected to Severely Sheared Currents (강한 전단 해류 환경에서 동적 전력케이블의 VIV 피로해석 절차에 관한 기초 연구)

  • Chunsik Shim;Min Suk Kim;Chulmin Kim;Yuho Rho;Jeabok Lee;Kwangsu Chea;Kangho Kim;Daseul Jeong
    • Journal of the Society of Naval Architects of Korea
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    • v.60 no.5
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    • pp.375-387
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    • 2023
  • The subsea power cables are increasingly important for harvesting renewable energies as we develop offshore wind farms located at a long distance from shore. Particularly, the continuous flexural motion of inter-array dynamic power cable of floating offshore wind turbine causes tremendous fatigue damages on the cable. As the subsea power cable consists of the helical structures with various components unlike a mooring line and a steel pipe riser, the fatigue analysis of the cables should be performed using special procedures that consider stick/slip phenomenon. This phenomenon occurs between inner helically wound components when they are tensioned or compressed by environmental loads and the floater motions. In particular, Vortex-induced vibration (VIV) can be generated by currents and have significant impacts on the fatigue life of the cable. In this study, the procedure for VIV fatigue analysis of the dynamic power cable has been established. Additionally, the respective roles of programs employed and required inputs and outputs are explained in detail. Demonstrations of case studies are provided under severely sheared currents to investigate the influences on amplitude variations of dynamic power cables caused by the excitation of high mode numbers. Finally, sensitivity studies have been performed to compare dynamic cable design parameters, specifically, structural damping ratio, higher order harmonics, and lift coefficients tables. In the future, one of the fundamental assumptions to assess the VIV response will be examined in detail, namely a narrow-banded Gaussian process derived from the VIV amplitudes. Although this approach is consistent with current industry standards, the level of consistency and the potential errors between the Gaussian process and the fatigue damage generated from deterministic time-domain results are to be confirmed to verify VIV fatigue analysis procedure for slender marine structures.

An Exploratory Study on ChatGPT's Performance to Answer to Police-related Traffic Laws: Using the Driver's License Test and the Road Traffic Accident Appraiser (ChatGPT의 경찰 관련 교통법규 응답 능력에 대한 탐색적 연구 - 운전면허 학과시험과 도로교통사고감정사 1차 시험을 대상으로 -)

  • Sang-yub Lee
    • Journal of Digital Policy
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    • v.2 no.4
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    • pp.1-10
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    • 2023
  • This study conducted preliminary study to identify effective ways to use ChatGPT in traffic policing by analyzing ChatGPT's responses to the driver's license test and the road traffic accident appraiser test. I collected ChatGPT responses for the driver's license test item pool and the road traffic accident appraiser test using the OpenAI API with Python code for 30 iterative experiments, and analyzed the percentage of correct answers by test, year, section, and consistency. First, the average correct answer rate for the driver's license test and the for road traffic accident appraisers test was 44.60% and 35.45%, respectively, which was lower than the pass criteria, and the correct answer rate after 2022 was lower than the average correct answer rate. Second, the percentage of correct answers by section ranged from 29.69% to 56.80%, showing a significant difference. Third, it consistently produced the same response more than 95% of the time when the answer was correct. To effectively utilize ChatGPT, it is necessary to have user expertise, evaluation data and analysis methods, design a quality traffic law corpus and periodic learning.

Validation and Development of the Driving Stress Scale (운전 스트레스 척도(Driving Stress Scale: DSS)의 개발과 타당화 연구)

  • Soon yeol Lee;Soon chul Lee
    • Korean Journal of Culture and Social Issue
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    • v.14 no.3
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    • pp.21-40
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    • 2008
  • This study was intended to validate and develop the driving stress scale. In a preliminary investigation, literature studies on the stress and open questionnaire were administered and examined in four regions in Korea. As a result, 121 items driving stress questionnaire were developed. In the study, this driving stress questionnaire was examined to 450 drivers located seven regions in Korea. The factors analysis revealed 5 meaningful factors[(Progress Obstacle: PO), (Traffic Circumstance: TC), (Accident & Regulation: AR), (Regulation Observance: RO), (Time Pressure: TP)] with 38 items. When internal consistency for each 5 factor was calculated, all sub-scale revealed a satisfactory level of Cronbach's α. Also, correlations with Driving Behaviour Inventory-General Driver Stress(DBI-GEN) and risk driving behaviors(speed driving, drunken driving, offence accident, defence accident) supported consistently validity of the Driving Stress Scale(DSS). Finally the result were discussed and implications are suggested for future studies.

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LCL Cargo Loading Algorithm Considering Cargo Characteristics and Load Space (화물의 특성 및 적재 공간을 고려한 LCL 화물 적재 알고리즘)

  • Daesan Park;Sangmin Jo;Dongyun Park;Yongjae Lee;Dohee Kim;Hyerim Bae
    • Journal of Intelligence and Information Systems
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    • v.29 no.4
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    • pp.375-393
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    • 2023
  • The demand for Less than Container Load (LCL) has been on the rise due to the growing need for various small-scale production items and the expansion of the e-commerce market. Consequently, more companies in the International Freight Forwarder are now handling LCL. Given the variety in cargo sizes and the diverse interests of stakeholders, there's a growing need for a container loading algorithm that optimizes space efficiency. However, due to the nature of the current situation in which a cargo loading plan is established in advance and delivered to the Container Freight Station (CFS), there is a limitation that variables that can be identified at industrial sites cannot be reflected in the loading plan. Therefore, this study proposes a container loading methodology that makes it easy to modify the loading plan at industrial sites. By allowing the characteristics of cargo and the status of the container to be considered, the requirements of the industrial site were reflected, and the three-dimensional space was manipulated into a two-dimensional planar layer to establish a loading plan to reduce time complexity. Through the methodology presented in this study, it is possible to increase the consistency of the quality of the container loading methodology and contribute to the automation of the loading plan.

A Short form of the Gray-Wheelwright Test (단축형 그레이-휠라이트 검사)

  • Ju-Kab Lee;Sung-Hyun Kim;Yong-Wook Shin
    • Sim-seong Yeon-gu
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    • v.33 no.1
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    • pp.61-80
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    • 2018
  • We investigated whether the 81 items of the Gray-Wheelwright test correctly measure the concept of Jung's typology and aimed to refine the test. Participants (n=431) completed the Gray-Wheelwright test, and the results were analyzed using factor analysis with the varimax rotation and the maximum likelihood extraction method. A pair of opposing attitudes, introversion/extroversion, or one of the two pairs of opposing functional types, thinking/feeling or intuition/sensation, was labeled to the extracted factor according to the majority type of the items in the factor. The minority items or items not included in any factors were excluded from making a short form of the Gray-Wheelwright test with 45 items. We used intraclass correlation (ICC) coefficient and Cronbach's alpha for the test-retest reliability and internal consistency of the test, respectively. The newly developed short form of the Gray-Wheelwright test measured the Jung's personality types well, which was comparable to the original one while reducing time and effort required for the testing.

Development of Content for Gender-Sensitive Work-Life Balance Organizational Culture Education : Focusing on Small and Medium-Sized Enterprises in Jeonnam Area (성인지적 일·생활균형 조직문화 교육 콘텐츠 개발 : 전남지역의 중소기업을 중심으로)

  • Lee, Yu Ri
    • Journal of Family Resource Management and Policy Review
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    • v.27 no.4
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    • pp.49-62
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    • 2023
  • In order to create an organizational culture that prevents women's career breaks and promotes economic activities, this study aimed at developing educational content for workplace culture improvement for both male and female workers working at small and medium-sized enterprises in Jeollanam-do. The core content composition and content design specifically consider the characteristics of Jeollanam-do based on an advisory meeting of the field experts and researchers to ensure the on-site utilization of the content and the validity and consistency of the teaching content. The educational content is divided into three areas: understanding, effectiveness, and the implementation of a gender-sensitive work-life balance organizational culture. The aim of the content is for all employees to understand the meaning of work-life balance and to improve the organizational culture of their company from the perspective of individuals, families, companies, and society. In particular, the intention was to personally identify and implement measures to improve a gender-equal work-life balance, not only at work, but also with regard to domestic labor and leisure time. Furthermore, the content is presented from a gender-sensitive perspective that encompasses diversity, systems, and programs targeting women, men, single people, married people, young people, the elderly, and people with disabilities - all these groups are explained as examples. The content emphasizes that we should all actively participate in improving the organizational culture of our companies. In addition, the Women's New Work Center should seek ways to increase the motivation for the voluntary participation by companies and strengthen the expertise of instructors in work-life balance education.

Analysis of Music Rationale and Fidelity in Music Emotion Regulation Studies (국외 음악정서조율 연구의 음악 논거 및 충실도 분석)

  • Chong, Hyun Ju;Kim, Bohyun;Kim, Hyeon Joo
    • Journal of Music and Human Behavior
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    • v.21 no.1
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    • pp.89-113
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    • 2024
  • With increasing interest in the emotional responses to music, research on the regulatory mechanisms of music has been ongoing. This study examines the fidelity of music emotion regulation (MER) studies by analyzing the quality of rationales provided for using music to induce emotional regulation. A total of 45 internationally published studies were collected for review, and analysis was conducted on criteria related to the use of music, including duration, number of pieces, selection rationale, and the selecting agent. Despite the research objectives aiming to investigate the emotional regulation effects of music, it was found that the majority of studies lacked specific information about the music used, and there was weak consistency among the studies. Additionally, reliable evidence for music activities, music selection, and music implementation time was not provided, and there was a lack of logical basis for the regulatory mechanisms of music. The results of this study imply the necessity for fidelity to the rationale of music emotion regulation to establish itself as a research area. Such rigorous fidelity will contribute to increasing the replicability and integrity of research on the therapeutic uniqueness of music.