• Title/Summary/Keyword: 위계적 자료구조

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Identifying Key Factors to Affect Bus Headway Deviation using Hierarchical Linear Model (Seoul Case Study) (HLM을 이용한 버스차두간격 편차에 미치는 요인분석 (서울시사례를 중심으로))

  • Lee, Ho-Sang;Kim, Do-Gyeong;Kim, Yeong-Chan;Hwang, Gyeong-Su
    • Journal of Korean Society of Transportation
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    • v.27 no.6
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    • pp.119-127
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    • 2009
  • It has been known that bus route and company related characteristics have influences on punctuality, but fewer research have been conducted. Independent variables used in this study were selected using correlation analysis, and OLS(Ordinary Least Square) and HLM(Hierarchical Linear Model) were employed to identify factors affecting bus punctuality(headway deviation). The results showed that ICC(intraclass Correlation Coefficient) is 0.10, indicating that hierarchical linear models are more adequate for these data because there is effective variation in the subjects between companies. Punctuality was found to be negatively associated with the number of vehicles, the number of persons per vehicle, and total travel time. On the other hand, average headway and company size have a positive relationship with punctuality. Therefore, the number of vehicles per route, average headway, and the number of vehicles managed by a company should be considered for more accurately evaluating the management of piunctuality.

Groping of a New Evaluation Method using the Knowledge State Analysis in the Selective Examination of Scientifical Gifted (과학영재 선발시험에서 지식상태 분석법을 통한 새로운 평가 방법 모색)

  • Park, Sang-Tae;Byun, Du-Won;Yuk, Keun-Cheol;Jung, Jum-Soon
    • Journal of Gifted/Talented Education
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    • v.15 no.1
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    • pp.37-48
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    • 2005
  • Comparing to the other subject, the relationship among physics contents is strong from the perspective of knowledge order as grades go up. That is, The things already that students learned, are learning and will learn are closed related from grade to grade. We expect students to be proactive and creative in studying physics, which is the goal of 21th century, analyzing their knowledge structure based on the knowledge order through assessment. Especially, using computer system, we provide students with substantial feedback for the assessment as well as objective validity is increased along with speedy and exact process in a bid to help students' mathematical understanding grow. This paper seeks to analyze the data from assessment applying knowledge spaces of the scientifical gifted in selective examination and to applicate on development of evaluation method.

Occupational Mobility Patterns and Determinants among Youth Wage Workers in the Local Labor Market, Korea (지역노동시장 수준에서 청년층 임금근로자의 직업이동 패턴과 영향요인 분석)

  • Changhyun Song;Up Lim
    • Journal of the Korean Regional Science Association
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    • v.39 no.3
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    • pp.49-63
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    • 2023
  • This study investigates the occupational mobility patterns of young wage employees at the local level of the labor market and empirically examines the interplay between worker-level and local labor market-level determinants between 2010 and 2020. The 4th to 14th waves of the Youth Panel 2007 were integrated with the Korea Network for Occupations and Workers and the Local Area Labor Force Survey for estimation using hierarchical linear model. Our results indicate that Gross Regional Domestic Product per capita is key determinant of occupational upward mobility. Also, Estimates of employment size, population density, and the unemployment rate of local labor market have different effects depending on the education level and occupational location of youth workers, suggesting that the effects of structural factors of local labor market may not be distributed equally among all youth wage workers. The findings have policy implications regarding the recent rise in inequality and polarization in local labor markets.

The Impact of the Organizational Culture Type Perceived by Cabin Crews on Job Stress: Focusing on the Mediating Effect of Empowerment (캐빈승무원이 지각한 조직문화 유형이 직무스트레스에 미치는 영향: 임파워먼트의 매개효과를 중심으로)

  • Park, Hye Sun;Kim, Jin Ah
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.11
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    • pp.715-727
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    • 2020
  • For the empirical analysis in this study, 335 cabin crews from large airline companies and budget airlines were interviewed using self-reporting questionnaires. The data was analyzed using the SPSS 23.0 and AMOS 23.0. First, of the organizational culture types, the relationship-oriented culture, hierarchy-oriented culture, and task-oriented culture were found to have negative impacts on job stress. Second, the innovation-oriented organizational culture, relationship-oriented culture, and hierarchy-oriented culture were found to have positive impacts on empowerment. Third, empowerment was found to have a negative impact on job stress. Fourth, as for the mediating effect of empowerment, the innovation-oriented culture, relationship-oriented culture, hierarchy-oriented culture, and task-oriented culture were verified to be all significantly mediated by empowerment in their relationship with job stress. As a result, it was shown that cabin crews of airline companies found their work more fun, interesting, and valuable in an organizational structure that was more oriented toward flexibility, rather than the hierarchical, task-oriented cultures that are more focused on control and order. It was also found that empowerment was a mediating factor in the relationship between organizational culture and job stress.

A Study on the Operational Structure and Status Role of Korean Public Libraries - the Case of Busan Metropolitan City - (공공도서관의 운영체계 및 지위적 역할 설정에 관한 연구 - 부산광역시를 사례로 하여 -)

  • Rho, Jee-Hyun;Cho, Yong-Wan
    • Journal of Korean Library and Information Science Society
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    • v.49 no.1
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    • pp.99-122
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    • 2018
  • The Korean government has established a plan on the 'service operating system of public libraries', which divides the local libraries into a central library, regional libraries, and small branches. However, due to the low interest of the libraries and, above all, the structural problems caused by the dualization of the library administrative bodies, no action plans have been developed. This study intends to propose an integrated operating system for public libraries in Busan metropolitan and to design specific roles and functions according to the library status. To the ends, this study examined the Korean government's plan for public library operation, analyzed the operation cases of foreign public libraries, and finally suggested the detailed action plan of an integrated operating system based on the case of Busan Metropolitan City. The data were collected from literature review and on site field survey, supplemented by e-mail inquiry and official statistical information.

유치원 교사의 직무스트레스에 따른 심리적 소진의 관계에서 자기자비와 마음챙김의 조절효과

  • 장윤경;변상해
    • 한국벤처창업학회:학술대회논문집
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    • 2023.11a
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    • pp.157-161
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    • 2023
  • 현대 사회가 급변하면서 가족 구조와 형태가 다양해지고, 여성의 경제 활동과 맞벌이 부부가 증가함에 따라 영유아 대상 돌봄에 대한 요구는 다양하게 변화하고 있다. 그러나 보육기관 증설 및 운영 시간 연장 등으로 보육의 공공성을 강화해 나가는 것에 반해, 유아 교육기관의 질과 영유아 상호작용에 큰 영향을 미치는 유치원 교사의 근무 여건 개선은 아직 미흡한 실정이다. 유치원 교사는 영유아의 성장과 발달에 결정적이고, 무조건적인 영향을 미치기 때문에 교육의 질을 결정하는 가장 중요한 요인이라 할 수 있다. 그럼에도 긴 근무 시간, 저임금, 학부모의 지나친 요구, 부진한 복지제도 등의 열악한 근무환경에서 직무스트레스와 그에 따른 심리적 소진을 경험하고 있다 본 연구에서는 유치원 교사가 지각하는 직무스트레스와 심리적 소진의 관계에서 자기자비와 마음챙김의 조절 효과를 규명하여 유치원 교사들이 흔히 겪을 수 있는 일반적인 어려움을 예상해보고 그 요인을 찾아 분석함으로서 유치원 교사의 스트레스를 예방하거나 감소시키기 위한 지원 방안 및 유치원 교사를 위한 교육프로그램 개발의 기초 자료로 활용되는 데 그 목적이 있다. 이를 위해 경기도 내 유치원에 근무하는 교사 200명을 대상으로 직무스트레스척도(MTOSFQ), 심치적 소진척도(MBI), 자기자비척도(K-SCS), 마음챙김척도(FFMQ)를 사용하여 설문을 실시한 후 SPSS v22, 독립표본 t검정, 일원배치 분산분석, 선형회귀분석과 매개효과 검증을 위해 위계적 회귀분석을 실시하고자 한다.

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Communication Network Analysis of General Corporate IT Staff : A Case Study of Company "K" (일반기업의 IT조직 내 직원간 의사소통 네트워크 분석: K사(社)를 중심으로)

  • Jeong, Cheon-Su;Shin, Kil-Hwan;Han, Woo-Chul
    • Journal of the Korea Society of Computer and Information
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    • v.16 no.11
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    • pp.219-232
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    • 2011
  • The purpose of this study is to give implications for cooperative network building for general corporate IT staffs as well as operational improvement of the IT organization which is a specialized unit in general company though analysis of characteristics of communication networks of the IT organization. 39 IT employees of company "A" were surveyed and interviewed, and the data collected were analyzed in a network analysis method. The analysis shows that a variety of networks were built across employees - e.g. strong/weak ties or centralized/decentralized structure - by each communication area. IT competency network was found weak ties. Career-rela ted network showed centralized and hierarchical characteristics. At the center of each network was positioned manager of each team. To address improvement of the findings, I presented the followings: more active networking over IT competency, enhancement of work centralization and collection of research data as to communication network of IT organization.

The Effect of Quota-Levy System on Disability Employment Outcome in Korea (장애인 고용부담금 부과 여부가 장애인 고용성과에 미치는 영향)

  • Ryu, Jeong Jin
    • 재활복지
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    • v.17 no.4
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    • pp.177-196
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    • 2013
  • The object of this article is to examine the effect of the quota-levy system on employment outcome of people with disabilities in Korea. Merging the data from disability employment report of 16,246 businesses in 2011 and the macroeconomic indicators such as regional economic condition, the author analyzes the effect of quota-levy system on employment outcome of persons with disabilities by using Hierarchical Linear Model(HLM). The finding is that imposing the levy on businesses affects employment outcome of people with disabilities but regional economic condition does not. The rate of employees with disabilities of the levied business is 0.7%p higher than that of the other business. The result of analysis implies that employment outcome of people with disabilities is influenced by the quota-levy system rather than regional economic condition.

The Impact of career plateau on Job satisfaction and turnover intention of Hospital nurses (병원간호사의 경력정체가 직무만족과 이직의도에 미치는 영향)

  • Kim, Yu-Mi;Lee, Jong-Yul;Kang, Hyang-Suk
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.17 no.12
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    • pp.459-469
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    • 2016
  • This study was designed to survey the degrees of career plateau, job satisfaction, and turnover intention of hospital nurses, as well as to identify the relationship among them. We surveyed 239 nurses working at five different hospitals in J city and C city. Data collection was conducted between April 1 and April 30, 2016. The data was analyzed using SPSS 23.0. This study shows that the significant factors influencing job satisfaction were content plateau and structural plateau, which account for 55.0% of the variance. It also shows that the significant factors that influence turnover intention were structural plateau, present clinical career, content plateau, and working department, which account for 43.0% of the variance. As such, we identified that a decrease in the content plateau of hospital nurses enhances job satisfaction and that a decrease in structural plateau reduces turnover intention. The results indicate that a systematic managerial strategy for nursing resources should be developed and applied in the nursing field. This strategy should supplement the content plateau by job redesign and job enrichment. In addition, to increase retention of skilled nurses and to achieve superior organizational performance, as well as to contribute to the success of hospital nurses, supplementation of the structural plateau by adopting and applying a career ladder system is important.

Life Satisfaction of Older Adults using Hierarchical Model Analysis focused on Individual and Community Factors (다층모형을 활용한 노인의 삶의 만족도 분석: 개인적 요인과 지역적 요인의 특성을 중심으로)

  • Kim, Sungwon;Lee, Eunjin;Chung, Soondool
    • 한국노년학
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    • v.36 no.3
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    • pp.581-594
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    • 2016
  • This study aims to observe the effect of age friendliness of cities on life satisfaction and to suggest ways to improve quality of life of older people. The secondary data sets were used in this study, which were '2014 Survey of Living Conditions and Welfare Needs of Korean Older People.' It's a nationwide data collected by the Korean Institute of Health and Social Affairs. A multilevel analysis model was used to analyze the data because the level of age friendliness has a hierarchical data structure. Results showed as follows: First, life satisfaction of older adults is affected by the level of age-friendliness of cities in which they live. Second, on the personal level, older people showed low life satisfaction when they are more older and have more chronic diseases and more depressed. On the contrary, life satisfaction of older adults increased when they have higher education and income. Third, on the city level, older people showed higher life satisfaction when they live in high employment rate area and participation rate of lifelong education. Cautions should be placed when interpret the result because the variables that represent the characteristics of age friendless of cities were constituted arbitrary. Based on the results, suggestions for improving the city environment age-friendly and implications for social welfare practice were provided.