• Title/Summary/Keyword: Human reliability data

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The study of the relationship among materialism, clothing shopping orientation and clothing impulse buying (물질주의, 의류쇼핑성향, 의류충동구매간의 관계)

  • Chung, Misil
    • Korean Journal of Human Ecology
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    • v.24 no.6
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    • pp.829-846
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    • 2015
  • The purpose of this study was to examine the influence of materialism and clothing shopping orientation on clothing impulse buying. The subjects were 309 female college students in Gyeongsang provinces. The obtained data were analyzed by reliability analysis, frequency, factor analysis, correlation analysis and regression analysis. The major results of this study were as follows: First, two factors of materialism were identified: happiness pursuit materialism and possession pursuit materialism. Second, two factors of clothing shopping orientation were identified: conspicuous shopping orientation and hedonic shopping orientation. Third, a significant positive correlation was found among two factors of materialism, two factors of clothing shopping orientation, and clothing impulse buying. Fourth, possession pursuit materialism influences clothing impulse buying through conspicuous shopping orientation. Fifth, happiness pursuit materialism influences clothing impulse buying through hedonic shopping orientation.

The effect of communication quality on team performance in digital main control room operations

  • Kim, HyungJun;Kim, Seunghwan;Park, Jinkyun;Lee, Eun-Chan;Lee, Seung Jun
    • Nuclear Engineering and Technology
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    • v.52 no.6
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    • pp.1180-1187
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    • 2020
  • A team of operators is required for nuclear power plant operation, and communication between the operators is an important aspect of the team's ability to successfully carry out tasks. It has been difficult to evaluate the quality of this communication though, and as the relationship between communication quality and team performance has yet to be clarified, it has not been applied to most human reliability analysis (HRA) methodologies. This study investigates the relationship between the quality of communication and team performance using data from a full-scope training simulator of a digital main control room (MCR). Two important characteristics of communication were considered to determine quality: each operator's ability to self-confirm the status of a given task in a digital MCR, and the type of communication, as divided into 1-way, 2-way, and 3-way between operators. To measure team performance, the concept of an unsafe act was employed, which is defined as a human error that has the potential to negatively affect plant safety. Analysis results showed that the communication quality and team performance were related to each other. With this more clearly defined relationship, the results of this study can be applied to related performance shaping factors to improve HRA.

Global Optimization of Clusters in Gene Expression Data of DNA Microarrays by Deterministic Annealing

  • Lee, Kwon Moo;Chung, Tae Su;Kim, Ju Han
    • Genomics & Informatics
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    • v.1 no.1
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    • pp.20-24
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    • 2003
  • The analysis of DNA microarry data is one of the most important things for functional genomics research. The matrix representation of microarray data and its successive 'optimal' incisional hyperplanes is a useful platform for developing optimization algorithms to determine the optimal partitioning of pairwise proximity matrix representing completely connected and weighted graph. We developed Deterministic Annealing (DA) approach to determine the successive optimal binary partitioning. DA algorithm demonstrated good performance with the ability to find the 'globally optimal' binary partitions. In addition, the objects that have not been clustered at small non­zero temperature, are considered to be very sensitive to even small randomness, and can be used to estimate the reliability of the clustering.

Implementation of Unmanned Remote supervisory System having Multipurpose Measuring Modules

  • Park, Jung-Hoon;Hong, Sung-Hoon;Kang, Moon-Sung
    • 제어로봇시스템학회:학술대회논문집
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    • 2001.10a
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    • pp.132.1-132
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    • 2001
  • In this paper, we have studied for development of unmanned remote supervisory system using mobile communication network, not wire network, not to be affected by space or distance. The unmanned remote supervisory system consists of data processing unit main part and measuring systems (modules part)-temperature measuring module, humidity measuring module and human body sensing module. The data processing unit to collect and process informations of each measuring module has the functions of data communication between a mobile cellular telephone and measuring systems. Each measuring module has supervisory and warning functions for a target of supervision. And then we have designed each system and evaluated accuracy and reliability of the combined total system.

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Comparisons Among Functional Methods of Axis of Rotation Suitable for Describing Human Joint Motion (인체 관절운동 기술에 적합한 회전축 추정방법의 비교)

  • Kim, Jin-Uk
    • Korean Journal of Applied Biomechanics
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    • v.21 no.4
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    • pp.449-458
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    • 2011
  • There are many functional methods for estimating the mean axis of rotation of a joint. However, it is still a controversial issue which method is superior. The purpose of this study was to compare functional methods for estimated axes of rotation from synthetic data. The comparison was made in terms of suitabilities on describing humans in sports. For a more practical situation, the axis error as well as measurement and marker movement error were applied to generated data. Simulations having 1000 times of 80 rotational displacements were performed. The functional methods used in the study were two transformation methods, two fitting methods, and one more transformation method called M. The M method is a combination of S$\ddot{o}$derk & Wedin(1993) and Mardia & Jupp(2000). Another factor of the study was angular velocity with levels of .01, .025, .05, .5 and 1 rad/s. The method M resulted in unbiased, stable, and consistent axis of rotation vectors in all levels of angular velocity except .01 rad/s. Therefore, the method M had the highest validity and reliability of all the methods. The fitting methods were very sensitive in small angular velocities and stable only in the velocities of more than .5 rad/s. The most suitable method for analyzing human motion by using marker photogrammetry is M.

A Qualitative Study on the Adaptation Process of Multicultural Families (다문화가족의 적응과정에 대한 연구)

  • Kong, Su-Youn;Yang, Sung-Eun
    • Korean Journal of Human Ecology
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    • v.20 no.1
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    • pp.101-117
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    • 2011
  • This research is intended to explore the adaptation process for immigrant women and their Korean spouses through a qualitative method. It is aimed at understanding how immigrant women and their Korean spouses have adjusted to their lives in Korea over the last 10 years and how they have dealt with difficulties in the adaptation process. The participants were 15 intermarried couples consisting of a Southeast Asian wife and a Korean husband. They got married through matchmakers and have children between the ages of 8 and 13. The study carried out in-depth interviews. To analyze the interview data, the qualitative software program Nvivo8 was used. The results showed that immigrant women and their Korean spouses experienced confusion at first. They struggled adapting to each other's lifestyles and made efforts to establish harmony. In the end, they made their own family identity as a multicultural family. The study widens the understanding of multicultural families by focusing on both wives and husbands. Also, the use of the Nvivo8 software strengthens the reliability of the data analysis. The results will contribute to providing interracial couples with the adaptive strategies.

Factors Affecting Business Performance of Women-Owned Small and Medium Enterprises in Vietnam: A Quantitative Study

  • LE, Thi Nuong;LE, Quang Hieu;NGUYEN, Thi Loan
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.7
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    • pp.123-133
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    • 2022
  • This paper explores the key factors influencing the business performance of enterprises, specifically women-owned small and medium enterprises (SMEs) in Vietnam. The extant literature on factors affecting the business performance of women-owned SMEs in Vietnam is still quite scarce. The researchers used a self-administered questionnaire to achieve a sample of 265 female SME owners in Vietnam to find these factors. The obtained data was analyzed by using SPSS 20.0. Cronbach's α test and factor analysis have been carried out to test the reliability of data and validate the hypothesis. The results showed that these enterprises' performances had a significant positive relationship with the business management competencies of the directors of the business, quality of human resources, financial access, socio-cultural factors, and government policy. Also, the study showed no relationship between the enterprise's business network and business performance. The results suggest that female business owners should improve their business management capacity, focusing on training activities to improve the quality of human resources of enterprises. The Government needs policies to support small and medium enterprises in accessing financial and other resources and propagate to reduce gender stereotypes.

Modeling and simulation of large crowd evacuation in hazard-impacted environments

  • Datta, Songjukta;Behzadan, Amir H.
    • Advances in Computational Design
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    • v.4 no.2
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    • pp.91-118
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    • 2019
  • Every year, many people are severely injured or lose their lives in accidents such as fire, chemical spill, public pandemonium, school shooting, and workplace violence. Research indicates that the fate of people in an emergency situation involving one or more hazards depends not only on the design of the space (e.g., residential building, industrial facility, shopping mall, sports stadium, school, concert hall) in which the incident occurs, but also on a host of other factors including but not limited to (a) occupants' characteristics, (b) level of familiarity with and cognition of the surroundings, and (c) effectiveness of hazard intervention systems. In this paper, we present EVAQ, a simulation framework for modeling large crowd evacuation by taking into account occupants' behaviors and interactions during an emergency. In particular, human's personal (i.e., age, gender, disability) and interpersonal (i.e., group behavior and interactions) attributes are parameterized in a hazard-impacted environment. In addition, different hazard types (e.g., fire, lone wolf attacker) and propagation patterns, as well as intervention schemes (simulating building repellent systems, firefighters, law enforcement) are modeled. Next, the application of EVAQ to crowd egress planning in an airport terminal under human attack, and a shopping mall in fire emergency are presented and results are discussed. Finally, a validation test is performed using real world data from a past building fire incident to assess the reliability and integrity of EVAQ in comparison with existing evacuation modeling tools.

Analysis of School Foodservice Managers' Job Satisfaction by Organizational Culture and Commitment in Jeju (제주지역 학교급식 관리자의 조직문화 및 조직몰입에 따른 직무만족도 분석)

  • Bu, Yun-Jeong;Chae, In-Sook
    • Journal of the Korean Society of Food Culture
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    • v.23 no.3
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    • pp.366-376
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    • 2008
  • The purpose of this study was to examine the job satisfaction of foodservice managers at schools in Jeju, Korea, according to the organizational culture and commitment of the school foodservice and administrative departments. The subjects included 144 (98.6%) dieticians from Jeju schools. The data were analyzed by descriptive analysis, reliability analysis, factor analysis, ttests, ANOVA, and Pearson's correlation coefficients, using the SPSS Win 12.0 program. In terms of organizational culture, the dieticians perceived the 'human relations model' and 'internal process model' as the strongest types for the school foodservice departments and administrative departments, respectively. However, for both types, a gap existed between the organizational culture that was perceived and that which was expected. In particular, the subjects expected that the 'human relations model' and 'open systems model' were the most important organizational culture types. In terms of the subjects' organizational commitment scores, loyalty and pride scored highest whereas unity scored lowest. For the level of job satisfaction, the performed work itself scored highest and was deemed most important. Additionally, organizational culture was positively correlated to the factors affecting organizational commitment and job satisfaction. Finally, the surveyed managers had high demands for a human relations-oriented organizational culture to enhance job satisfaction.

The Effects of Consumer Innovation, Price Sensitivity, Conformity, and Consumer Values on Consumer Attitudes and Intentions to Participate in the Crowdfunding of Fashion Products (소비자 혁신성, 가격민감도, 동조 성향, 소비자 가치가 패션제품의 크라우드펀딩에 대한 소비자 태도 및 펀딩참여의도에 미치는 영향)

  • Jae Hee Kim;Nalae Kim;Yoon-Jung Lee
    • Human Ecology Research
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    • v.61 no.3
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    • pp.281-295
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    • 2023
  • This study examined consumer attitudes and intentions to participate in reward-based crowdfunding projects for fashion products. We focused on consumer innovation, price sensitivity, conformity, and consumer values as factors that might influence such attitudes and intentions. A survey was conducted with 228 individuals aged 18 years and older who are aware of or have had experience using crowdfunding. Respondents were asked to answer questions based on the example of actual fashion crowdfunding projects. To analyze the data, reliability tests, the generation of descriptive statistics, factor analysis, and multiple regression were performed using SPSS 25.0. The results revealed that consumer innovativeness, non-conforming tendency, and emotional, quality, social, and ethnical consumer values had a significant influence on attitudes, which in turn affected intentions to participate in crowdfunding. Consumer innovativeness, price sensitivity, emotional value, and social value also had a direct influence on intentions to participate. In addition to its academic contribution, this study has important marketing implications for project initiators striving to identify and understand consumers who are willing to participate in reward-based crowdfunding for fashion products.