• International Journal of Contents
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• 제5권1호
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• pp.51-55
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• 2009

In this paper, we present a structure of personalized e-Learning system to study for a test formalized by uniform multiple-choice using on/off line mixed estimations as is the case of Driver :s License Test in Korea. Using the system a candidate can study toward the license through the Internet (and/or mobile instruments) within the personalized concept based on IRT(item response theory). The system accurately estimates user's ability parameter and dynamically offers optimal evaluation problems and learning contents according to the estimated ability so that the user can take possession of the license in shorter time. In order to establish the personalized e-Learning concepts, we build up 3 databases and 2 agents in this system. Content DB maintains learning contents for studying toward the license as the shape of objects separated by concept-unit. Item-bank DB manages items with their parameters such as difficulties, discriminations, and guessing factors, which are firmly related to the learning contents in Content DB through the concept of object parameters. User profile DB maintains users' status information, item responses, and ability parameters. With these DB formations, Interface agent processes user ID, password, status information, and various queries generated by learners. In addition, it hooks up user's item response with Selection & Feedback agent. On the other hand, Selection & Feedback agent offers problems and content objects according to the corresponding user's ability parameter, and re-estimates the ability parameter to activate dynamic personalized learning situation and so forth.

• 대한교통학회지
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• 제8권1호
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• pp.55-71
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• 1990

The behavioral mechanism underlying the traffic assignment model is a choice, or decision-making process of traveling paths between origins and destinations. The deterministic approach to traffic assignment assumes that travelers choose shortest path from their origin-destination pair. Although this assumption seems reasonable, it presumes that all travelers have perfect information regarding travel time, that they make consistently correct decision, and that they all behave in identical fashion. Stochastic user equilibrium assignment relaxes these presumptions by including a random component in traveler's perception of travel time. The objective of this study is to compare "A Model of Deterministic User Equilibrium Assignment" with "Models of Stochastic User Equilibrium Assignment" in the theoretical and practical aspects. Specifically, SUE models are developed to logit and probit based models according to discrete choice functions. The models were applied to sioux Falls net ork consisting of 24 zones, 24 nodes and 76 links. The distribution of perceived travel time was obtained by using the relationship between speed and traffic flow.

• 보건행정학회지
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• 제10권2호
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• pp.22-40
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• 2000

The purpose of the study was to discuss amrketing strategy for oriental hospital, by making a comparative analysis of how hospital user satifaction was affected by hospi시 choice motivation between oriental hospital users and western hospital. The data usel in this study was the Korea Isititute of oriental medicine(1999)'s study on utilization of oriental medical care. And and interview was hold with outpatients who visited around march to April, 1999, at each an oriental hospital and a westen hospital in Seoul and in Wonju city, Kongwon province. The collected data were analyzed by SPSS program. The factor analysis of hospital choice motivation was made by figuring out facor's mean value, and T-test and ANOVA were employed to find out what difference was made by sociodmographic charcteristics to the factors. Also, the multiple regression analysis was carried out to examine what gave an impact on hospital user satisfaction. The findings of this study were as follows; First as a result of making a factor analysis against hospital choice motivation to find out what kind of differenc there was between oriental hospital user motivation and western hospital and person factors. Among them, the hospital charcteristics, preception, personal and person factors. Among them, the hospital charcteristics appered to have the biggest effect of hospital choice motivation. Second, as a result of making comparison between oriental oriental hospital user satisfaction and werterm hospital user satisfaction, there was a singificant between their satisfaction at treatment time, kindness and relative kiness aginst the pther hospital. The oriental level combining 6 items. The geneal satisfaction level combining 6itmes tured out to have reliability of chronbach $\alpha$=0.7126. As a result of examining how mech the general satifaction level depended on sociodemographic characteristics, ther was found be significantly affected by age, marital status, educational background or hospital type. Those who a spouse or a lower educational background or the oriental hospital users got better score. Third, the multiple regression analysis was made to find out what factors affected western and oriental hospital user satisfaction, As a result, the waiting time, experience of other medical facilities and hospital characteristic variable were identified as a key factor on which westerm hospital user satisfaction depended. In conclusion, the oriental hhspital user expressed more staisfaction than the weshren hospital users. Then the characteristic factor played a singificant role in user satisfaction, which included hospital facilities, kindness of herb doctor and employees, or hospital reputation of credibility. in order to raise hospital user datisfaction, it seemed necessary to pay more attention to hospital characteristic factor rather than to perception factor.

• 한국ITS학회 논문지
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• 제4권1호
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• pp.81-88
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• 2005

최근 실시간 교통정보제공이 가능해지고, 사용자간의 커뮤니케이션이 활발해짐에 따라, 사용자간의 협력이 가능해질 것으로 보인다. 만약 이런 상황이 현실화된다면, 사용자간의 비협력을 전제로 하는 Wardrop 의 경로선택원리는 수정이 필요하며, 사용자간의 협력을 균형원리에 포함시킬 필요가 있다. 즉, 사용자간의 협력하에서 경로를 선택하는 원리를 새롭게 정의해야 한다. 본 연구에서는 교통정보를 통해 운전자간의 협력이 가능한 교통망 상황하에서 운전자의 경로선택기준을 제시하는 데 목적이 있다. 이를 Wardrop의 사용자균형(Wardrop User Equilibrium)과는 달리 협력적 사용자균형(Cooperative User Equilibrium)으로 정의하며, 몇 가지 예제를 통하여 이들 두 개의 사용자 균형상태를 분석한 결과, 협력적 균형상태가 Wardrop의 균형상태 보다 더 좋은 해를 찾을 수 있음을 확인할 수 있었다.

• 복식
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• 제51권7호
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• pp.123-134
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• 2001

The purpose of this study to compare the purchasing behaviour of men's business suits, among custom suits, system order, and ready-made suits, centering around the choice of information source, risk perception and benefits sought. The survey of this study was collected from 450 adult male in Seoul. The data was analyzed by factor analysis and ANOVA. The result of this study were as follows : 1. Custom suits, system order, and ready-made suits consumers have a significant difference in the choice of information source. The consumer attaching most importance to the impersonal information source is the system order users, custom suits users, and ready-made suits users respectively. However there was no significant difference in the personal source among 3 different purchasing behaviour of men's suits. 2. For the risk perception, 1) the group who perceived the highest in economic risk is the system order users, followed by custom suits users, and ready-made suits users. 2) the group who perceived performance risk as being the highest concern is the ready-made suits consumers, followed by system order user, and custom suits user. 3) the group who perceived the socio-psychological risk as the highest is the ready-made suits consumers, and followed by custom suits user and system order users. 4) there is no difference among the three groups with respect to the fashionability loss risk. 5) the group of the highest perceiving the useful loss risk is the ready-made suits consumers, and the next is system order users, custom suits users. 6) the group of the highest perceiving the time and convenience loss risk is ready-made suits users, and the next is system order users, custom suits users. 3. For the benefit sought, the group of the highest perceiving the aesthetics is custom suits consumers, and the next is system order users, ready-made suits users.

• 한국노년학
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• 제37권2호
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• pp.385-398
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• 2017

본 연구는 노인돌봄종합서비스 이용자를 대상으로 이용자들이 지각하는 서비스 품질 정도를 'SERVPERF 모형'에 근거하여 확인하고, 정보가용성과 품질 관계에 미치는 선택의 매개효과를 검증하는데 목적을 두고 있다. 이를 위해 전라북도 지역 노인돌봄종합서비스 이용자 208명을 대상으로 구조방정식을 사용하여 분석하였다. 연구결과 첫째, 노인돌봄종합서비스 이용자들은 품질을 매우 높음 수준으로 인식하고 있었다. 둘째, 노인돌봄종합서비스 이용자의 정보가용성은 품질 인식에 유의미한 영향을 미치는 것으로 나타났다. 셋째, 선택은 노인돌봄종합서비스 이용자의 정보가용성이 품질에 미치는 영향을 부분 매개하는 것으로 나타났다. 이러한 결과는 노인돌봄종합서비스가 높은 수준의 품질을 유지하기 위해서는 이용자에게 서비스에 관한 정보가 충분히 전달되어야 하며, 이를 바탕으로 이용자가 본인의 욕구에 적합한 선택을 할 수 있도록 선택의 기회 제공 및 선택 가능한 환경이 마련되어야 함을 보여준다.

• 대한전자공학회논문지
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• 제23권6호
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• pp.988-994
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• 1986

We present an automated CMOS standard cell design mehtodology which generates a mask description in the CIF (Caltech Intermediate Form)from a user-given logic description and design rule. The resultant layout reflects the user's choice among N-well, P-well and twin-well process and user's decision whether the guard band is to be included or not. Noise margin of each cell was improved by carefully adjusting the channel width of P-FET.

• 한국산학기술학회논문지
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• 제16권3호
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• pp.1795-1805
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• 2015

본 연구는 온라인 저널리즘의 추천기사가 대학생들의 뉴스기사 선택에 미치는 영향을 두 차원에서 분석하였다. 하나는 추천기사이고, 다른 하나는 이들 뉴스기사의 배치순위와 이용지수이다. 분석결과 11개의 추천기사 유형 중 7개 유형은 뉴스기사 선택에 긍정적인 영향을 미치는 것으로 나타난 반면, 4개 유형은 유의미하지 않은 것으로 나타났다. 뉴스기사 선택에 영향을 미치지 않은 것으로 나타난 추천기사 유형의 대부분은 댓글이나 SNS의 트윗과 관련된 것들이다. 또한 뉴스기사 및 검색어 배치순위는 뉴스기사 선택에 영향을 미치는 것으로 나타났으나 이용지수는 영향을 미치지 않은 것으로 나타났다. 한편, 뉴스기사 이용시간과 추천기사 유형 간 그리고 추천기사 유형 간 상관관계는 대부분 유의미한 것으로 나타났다. 분석결과를 종합하면, 뉴스기사 게재위치와 온라인 저널리즘의 추천기사와 같은 형식적 요인은 뉴스기사 헤드라인과 검색어 등의 내용과 더불어 뉴스 이용자들의 뉴스기사 선택에 긍정적인 영향을 미치는 것으로 결론지을 수 있다.

• Journal of Information Technology Applications and Management
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• 제14권4호
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• pp.61-74
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• 2007

In this paper we consider the Digital Multimedia Broadcasting (DMB) Service that starts recently in Korea and gains popularity. DMB makes it possible to watch high quality TV programs while we are in motion. The service provider or the service researcher are interested in the factors that influence the user's choice of new service such as DMB. Understanding the factors make them create the powerful marketing strategies and develop the new service or product that is attractive for users. We therefore find the factors influencing the user's choice of DMB service, and propose a model for analyzing the relationship between the factors and the intention of buying. The model is based on the Technology Acceptance Model (TAM). We extend the TAM by adding factors including functional attributes of DMB service. We survey the significant functional attributes influencing the intention of buying by using the proposed model.

• 예술인문사회 융합 멀티미디어 논문지
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• 제7권3호
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• pp.597-604
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• 2017

본 연구는 노인장기요양보험 방문요양서비스 품질이 이용자 만족도에 미치는 영향력이 이용자의 선택권 실현정도에 달라지는지 알아보는 것을 목표로 한다. 이를 위해 전라북도 지역 방문요양서비스 이용자 총 258명의 자료를 바탕으로 회귀분석을 통한 선택의 조절효과를 알아보았다. 전체 이용자에 대한 분석과 함께, 시와 군 지역 간 복지인프라 차이에 따른 이용자의 선택권 실현의 편차가 있을 것을 고려하여 시와 군 지역 이용자 각각을 대상으로 조절효과 분석 또한 실시하였다. 연구결과, 시 지역 서비스 이용자들은 품질과 이용자 만족도의 관계에서 선택권 실현정도가 조절효과를 가지는 것으로 나타났으나, 군 지역 서비스 이용자들은 선택권 실현정도에 따라 품질이 서비스 만족에 미치는 영향의 차이가 없는 것으로 나타났다. 본 연구의 결과는 일반적인 시장과는 다르게 이용집단이 취약하고, 서비스의 공공성이 강조되는 사회서비스 분야에서 이용자 선택권 실현의 조절효과가 시와 군 지역에 따라 달리 나타나고 있음을 보여주며, 이는 군 지역의 노인 재가복지 인프라의 취약성을 대변한다. 따라서, 노인 재가서비스 이용자 선택권의 효과가 적극적으로 발현되기 위해서는 군 지역 재가복지 인프라 확충과 정책적 지원을 통한 지역 간 복지 불균형 해소가 필요하다.