• Korean Business Review
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• v.21 no.2
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• pp.17-41
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• 2008

Although job insecurity has attracted many scholars for long time, the research of job insecurity has not been accumulated because of nonexistence of and comprehensive and systematic model on job insecurity. This study, therefore, has provided integrated model of job insecurity and has also generated important propositions of job insecurity. This study aims to design the antecedents and consequences(outcomes) of job insecurity of employees. First, we have postulated important hypothesis based on the existing literatures. Second, we have tested hypothesis by the comprehensive review of existing local empirical studies. Third we have provided underlying logics of designing integrated model of job insecurity. And we have also generated Important propositions underlying the model focusing on job insecurity. We propose that employees' job insecurity increase with their expectation about further organizational change, role ambiguity. We also propose that employees' job insecurity raise their psychological strain while reducing their organizational commitment, job satisfaction and work effort. Theoretical implications are discussed, as are the implications of study and suggestions for future research.

• Environmental and Resource Economics Review
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• v.14 no.2
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• pp.419-445
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• 2005

In 2002, the waste was generated about 277,533tons per day. The treatments of waste were recycling, which had accounted for almost 70%, landfill, which had accounted for 19.8%, and incineration, which had accounted for 6.5%. The energy recovery from incineration has been increased since 1995. The portion of waste in the renewable energy has been increased. Waste incineration heating system generates total 134TOE of $CO_2$ as compared to 6,800TOE of GHG from LNG boiler centralized heating system to bring 98% reduction rate of GHG emissions. We need the integrated model to examine the impacts of waste managements on economy and environments. The Asia-Pacific Integrated Model is introduced as the example of the integrated model.

• IE interfaces
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• v.9 no.3
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• pp.81-91
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• 1996

현대의 전기 통신망은 통신서비스의 단순한 제공 수단에서 국가적인 사회간접자본으로 그 역할이 변화되고 있다. 이와 같은 통신망의 역할 변화와 함께 초고속화, 집중화 되는 통신망의 안정성에 대한 체계적인 연구의 중요성은 매우 중요한 문제이다. 통신망의 안정성은 시스템 설계의 신뢰성 확보, 재난에 대한 예방 대책, 재난 관리 시스템 운용, 재해 복구 대책, 사업자간 제휴 등으로 예방 및 대처가 부분적으로 가능하지만 망 사업자의 입장에서는 가능한 자원을 최적으로 활용하여 외부 재해나 내부 장애에도 강건한 구조의 통신망으로 계획하고 설계함이 가장 기초적인 안정성 대책이 된다. 본 논문은 이와 같은 통신망의 안정성을 체계적으로 계획하고 이에 맞게 통신망을 설계하는 일관된 과정(Integrated Network Design Process)을 위한 통신망 안정성에 대한 계층적 모형을 설명하고, 유사동기식 전송 기술에서 최근의 동기식 전송 기술로 대체되고, 향후 ATM 전달 모드로의 진화되는 추세를 감안할 때 필수적인 새로운 통신망 안정성 모형을 제시한다. 특히 기존에는 Logical Layer와 Transmission System Layer로 나누어 계획되고 설계되는 일련의 과정들이 동기식 장비들의 개선된 interworking과 ATM의 유연한 망구조의 장점 때문에 통합되어 계획/설계되어야 하는 필요성과 장단점을 설명하고 최근의 최적화 기술은 이와 같은 통합된 설계 모형에도 효율적이 해결 방안을 제공함을 보여준다. 이와 같은 제시된 통합 방법론/모형과 함께 한국통신의 기간 전송망의 계획과 설계에 사용된 사례를 제시하고, 향후 국가적으로 중요한 관심 사항인 초고속통신망/BISDN의 구축에 효율적으로 응용되기 위한 추가적인 연구 주제와 기대성과를 논의한다.

• The Korean Journal of Applied Statistics
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• v.12 no.2
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• pp.573-584
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• 1999

본 연구는 이변량 회귀모형을 이변량 자료에 적용할 때 이변량 자료(분리형 자료) 이외에 이변량 자료를 합산한 일변량 자료(통합형 자료)를 동시에 사용하는 문제를 고찰하였다. 특징을 파악하기 위하여 설명변수가 하나인 경우를 다루었는데 통합형 자료의 첨가효과를 회귀계수의 추정량의 평균제곱오차의 크기로서 측정하면서 효과와 이변량 모형과의 관계를 조사하였다. 최대우도 추장량의 특성으로부터 대표본의 성질을 추출하고 또한 모의실험을 통하여 소표본에서도 대표본의 성질이 만족하는지 조사하였고 끝으로 실제 자료에 적용하여 보았다.

• Proceedings of the Korea Society for Energy Engineering kosee Conference
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• 1995.05a
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• pp.179-184
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• 1995

본 연구는 도시기능의 주요 요소인 주거단지 및 공업단지를 중심으로 환경부담을 최소화 시키면서도 에너지효율을 제고 시킬수 있는 방향으로 에너지적합형 지역개발사업 모형을 개발.제시하고자 하였다. 따라서 본고에서는 기존의 토지이용계획에 시스템적 관점의 에너지 및 환경관리를 통합하기 위한 에너지통합계획의 기본개념, 환경적으로 건전하고 지속가능한 개발(ESSD)을 위한 국내외동향 및 기술목록 사례를 소개하고, 주거단지 및 공업단지를 중심으로 "에너지이용합리화법(법률 제4426호)"에 의거한 기존의 에너지사용계획서의 보완방안 및 사례연구를 통한 에너지적합형 개발모형을 소개하고자 한다. 소개하고자 한다.

• Journal of Science and Technology Studies
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• v.1 no.2 s.2
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• pp.399-422
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• 2001

Models for human cognition currently discussed in cognitive science cannot be appropriate ones. The symbolic model of the traditional artificial intelligence works for reasoning and problem-solving tasks, but doesn't fit for pattern recognition such as letter/sound cognition. Connectionism shows the contrary phenomena to those of the traditional artificial intelligence. Connectionist systems has been shown to be very strong in the tasks of pattern recognition but weak in most of logical tasks. Brooks' situated action theory denies the. notion of representation which is presupposed in both the traditional artificial intelligence and connectionism and suggests a subsumption model which is based on perceptions coming from real world. However, situated action theory hasn't also been well applied to human cognition so far. In emphasizing those characteristics of models I refer those models 'left-brain model', 'right-brain model', and 'robot model' respectively. After I examine those models in terms of substantial items of cognitions- mental state, mental procedure, basic element of cognition, rule of cognition, appropriate level of analysis, architecture of cognition, I draw three arguments of embodiment. I suggest a way of unifying those existing models by examining their theoretical compatability which is found in those arguments.

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.15 no.5
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• pp.62-70
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• 2016

Ensuring walkability in a city where pedestrians and vehicles coexist is an issue of critical importance. The relative relationship between vehicle transit and walkability improvements complicates the evaluation of walkability, which thus necessitates the formation of a quantitative standard by which a methodological measurement of walkability can be achieved inside the pedestrian network. Therefore, a model is determined whereby quantitative indices such as, but not limited to, experiences of accessibility, mobility, and convenience within the network are estimated. This research proposes the integration of space syntax theory and the logit path choice model in the evaluation of walkability. Space syntax theory assesses adequacy of the constructed pedestrian network through calculation of the link integration value, while the logit model estimates its safety, mobility, and accessibility using probability. The advantage of the integrated model hence lies in its ability to sufficiently reflect such evaluation measures as the integration value, mobility convenience, accessibility potential, and safety experienced by the demand in a quantitative manner through probability computation. In this research, the Dial Algorithm is used to arrive at a solution to the logit model. This process requires that the physical distance of the pedestrian network and the perceptive distance of space syntax theory be made equivalent. In this, the research makes use of network expansion to reflect wait times. The evaluation index calculated through the integrated model is reviewed and using the results of this sample network, the applicability of the model is assessed.

• 한국체육학회지인문사회과학편
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• v.58 no.1
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• pp.295-308
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• 2019

The purpose of the present study is to apply a health belief model to the serious perception of an increase in youth obesity, and to develop and validate a measurement tool for youth obesity prevention among this group who are experiencing increasing rates of obesity. The specific goals of this study are to 1) apply a health belief model to develop a measurement tool for obesity prevention among youth who are seeing rising rates of obesity, and 2) provide an integrated validation procedure and foundation for developing this measurement tool. A total of 1801 high school students[sample1: 902(male:464,female:438); sample2: 899(male:464,female:438)] were recruited and collected data from 12 high school in Seoul and Kyonggi area. For this study the analytic framework of unified validity was developed which can comprehensively reflect unified validity be Messick(1995), framework for conducting a strong program of construct validation by Benson(1998), the unified validity implementation method of Rasch model suggested by Wolfe and Smith(2007a, 2007b). Furthermore, after dividing the developed analytic framework into each stage(the substantive domain), the evidence of validity of Youth Obesity Prevention Scale(YOPS) applying Health Belief Model was systematically suggested. The YOPS suggested the evidence about the substantive domain of unified validity. The developed YOPS was consist of Susceptibility, Severity, Benefits, Barriers and Cues to Action. After 3 stage in substantive domain, the components of YOPS(5factors and 28items) satisfied the unidimensionality, and the 5 point Likert scale had the significant discrimination of the respondents' response.

• The Journal of the Korea Contents Association
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• v.18 no.4
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• pp.214-222
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• 2018

The purpose of this study is to analyze the role of individualistic, family, and social characteristics of immigrant women on marriage on community integration. It is focused on exploring how the immigrant women on marriages' residential district differentiate community integration. The study adopts a questionnaire method in research of immigrant women on marriage in all parts of Korea. Data are collected from 163(Metropolitan Government & City), 182(Provincial Government) immigrant women on marriage for empirical analysis respectively. Technique used in analyzing data is Binary Logit Model primarily. In conclusion, on the results of test, it turned out to be strong significant influence on provincial regions than the metropolitan city regions statistically excepting family, and social characteristics.

• Journal of Digital Convergence
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• v.16 no.6
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• pp.95-104
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• 2018

This study is focused on analyzing the difference by demographical characteristics of users on acceptance behavior of tourism omnichannel based upon Unified Theory of Acceptance and Use of Technology. Through field survey with 392 respondents, the results are as follows. Partially differences on acceptance behavior are found according to gender, age, education and job as demographic characteristics of tourism omnichannel. And the difference by demographic characteristics on acceptance behavior about preferring tourism information is not significant. However performance expectancy and effort expectancy as factors of UTAUT are significantly positive in thirties group of tourism omnichannel users.