• Asia pacific journal of information systems
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• 제26권3호
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• pp.367-384
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• 2016

Social networking services (SNS) have become a significant platform for Internet users to obtain knowledge and information. Users can share messages mutually via this platform. This kind of sharing enables users to exchange and gain useful information. However, in recent years, the crisis of stickiness has appeared in SNS, calling attention to the social network industry. Relevant professionals explain that the interest of users in sharing knowledge on SNS websites and applications may gradually decrease, eventually leading to users giving it because the platforms utilize simple and uninteresting methods to attract active participation from users. However, factors affecting the knowledge sharing on SNS websites and applications should be identified clearly through studies. Sina Weibo is one of the largest SNS platforms in the world, and studies on the factors affecting knowledge sharing of users could be valuable in addressing this issue. This paper establishes the theoretical analysis model of knowledge sharing in SNS sites and applications, analyzes the factors affecting knowledge sharing on these sites, and proposes the corresponding strategies to address the issues. Using questionnaire surveys on Sina Weibo users, this article will discuss the factors affecting knowledge sharing, and analyze these factors on SNS as well as improve the stickiness of users to achieve the aim of SNS platforms enabling the expansion of the range of users. The study will discuss theoretical foundations and the hypotheses that arise. The method of study will also be discussed. The study concludes with theoretical implications, practical implications, limitations, and future research opportunities. The results of this study could aid researchers in understanding the underlying reasons for social network activities as well as for SNS developers in improving SNS services.

• 한국정보시스템학회지:정보시스템연구
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• 제19권3호
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• pp.237-261
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• 2010

IT service is increasing becoming a critical resource firms have to utilize effectively and efficiently. As the importance of IT service increases, the knowledge sharing between IT service people and users becomes more and more important. In this study, the IT service quality is posited as a critical independent construct that influences knowledge sharing attitude of users which in turn change the knowledge sharing intention. Service satisfaction is placed as a mediator between the quality and attitude to compare direct and indirect effect in the model. Results show that (1) IT service quality influences the knowledge sharing attitude of users directly, and indirectly through service satisfaction, (2) at the same time, however, the direct path from quality to attitude is found to be stronger than the indirect path through satisfaction, and (3) interestingly, satisfaction seems to have no direct effect on intention, but only through the attitude change as can be inferred from the theory of reasoned action. Outcome of this study implies the importance of IT service quality in improving the knowledge sharing activities between users and developers, and interestingly the aim of quality would not be targeted on satisfaction but on attitudinal changes.

• Computers and Concrete
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• 제1권3호
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• pp.325-354
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• 2004

Slabs in buildings and bridge decks, which are restrained against lateral displacements at the edges, have ultimate strengths far in excess of those predicted by analytical methods based on yield line theory. The increase in strength has been attributed to membrane action, which is due to the in-plane forces developed at the supports. The benefits of compressive membrane action are usually not taken into account in currently available design methods developed based on plastic flow theories assuming concrete to be a rigid-plastic material. By extending the existing knowledge of compressive membrane action, it is possible to design slabs in building and bridge structures economically with less than normal reinforcement. Recent research on building and bridge structures reflects the importance of membrane action in design. This paper describes the finite element modelling of membrane action in reinforced concrete slabs through optimisation of a simple concrete model. Through a series of parametric studies using the simple concrete model in the finite element simulation of eight fully clamped concrete slabs with significant membrane action, a set of fixed numerical model parameter values is identified and computational conditions established, which would guarantee reliable strength prediction of arbitrary slabs. The reliability of the identified values to simulate membrane action (for prediction purposes) is further verified by the direct simulation of 42 other slabs, which gave an average value of 0.9698 for the ratio of experimental to predicted strengths and a standard deviation of 0.117. A 'deflection factor' is also established for the slabs, relating the predicted peak deflection to experimental values, which, (for the same level of fixity at the supports), can be used for accurate displacement determination. The proposed optimised concrete model and finite element procedure can be used as a tool to simulate membrane action in slabs in building and bridge structures having variable support and loading conditions including fire. Other practical applications of the developed finite element procedure and design process are also discussed.

• 한국엔터테인먼트산업학회논문지
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• 제14권2호
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• pp.109-118
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• 2020

본 연구는 해양스포츠 체험 참여자들을 대상으로 계획행동이론(TPB), '사전지식' 변수를 추가한 확장된 계획행동이론(ETPB)의 상대적 유용성을 검증하고, '사전지식' 정도별 사람들의 계획행동이론의 구성변인들(태도, 주관적규범, 지각된 행동 통제력, 재방문의도)의 특성을 비교하는 데 목적이 있다. 이러한 목적을 달성하기 위하여 2019년 S시에서 진행된 해양스포츠 체험 참여자 420명을 대상으로 자료를 수집한 후 편향되거나, 불성실한 자료 35부를 제외하고 최종적으로 385부의 설문지를 코딩하였다. 코딩한 자료는 SPSS 21.0 및 AMOS 21.0을 활용하여 다음과 같은 분석을 실시였다. 빈도분석, 확인적 요인분석, 개념신뢰도, AVE값, Cronbach's α 상관관계분석, 위계적 회귀분석, 독립표본 t-검증을 실시하였다. 분석결과 첫째, 계획행동이론(TPB)에서 세 개의 예측변인이 재방문의도에 긍정적인 영향을 미치는 것으로 나타났고, 확장된 계획행동이론으로 '사전지식'을 추가하여 재방문의도를 네 개의 예측변인 중 지각된 행동통제를 제외한 태도, 주관적 규범, 사전 지식은 긍정적인 영향을 미치는 것으로 나타났다. 둘째, 재방문의도를 설명하는 설명력을 살펴보면 계획행동이론이 43.5% 확장된 계획행동이론이 51.8%(계획행동이론보다 8.3% 증가, p=.000)로 나타났다. 사전지식이 새로운 변인으로 추가될 때 재방문의도를 설명하는데 중요한 요인임을 알 수 있다. 마지막으로, 사전지식변수를 고, 저 집단으로 분류하여 확장된 계획행동이론의 특성을 비교한 결과 사전지식이 높은 집단이 확장된 계획행동이론의 구성 변수에 평균값이 더 높은 것으로 나타났다.

• 대한지역사회영양학회지
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• 제5권1호
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• pp.36-49
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• 2000

The purpose of the study was to find the sociopsychological factors predicting the intention of compliance with the dietary regimen in diabetes with a questionnaire. Data were collected from 282 adult noninsulin-dependent diabetics in Seoul, Kyoggida, and Kyongsangbukdo in Korea. Stepwise multiple regression analysis was conducted with predictor variables from theories of the Health Belief Model, Social Cognitive Model, The Theory of Reasoned Action , and Social Support. The behavioral intention of compliance with the prescribed diet was the independent variable. Subjects norm self-efficacy knowledge about diet therapy, outcome expectation, relationship with medical team, threat of deterioration of disease, and social support were the independent variables, The mean score of behavior intention was high ie 35.3 out to 42. Subjective norm and self-efficacy were the significant variables to predict the intention of dietary compliance. These variables comprised 39% of the common variance. To increase dietary compliance by influence of the referents and improve self-efficacy significant referents must be included and concrete and practical methods to follow the dietary regimen must be provided in nutrition education.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 1999년도 봄 학술발표회 논문집(I)
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• pp.585-590
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• 1999

There is still a lack of knowledge and modelling relating to shear behaviour in reinforced concrete beams. The reason is that shear loading leads to complicated physical mecanisms, such as interlock action, dowel action, etc. Therefore, It is difficult that we make the ideal model of shear behaviour, while Truss model theory has been made good use of shear design because of simplicity and reasonableness. In this study, 6 T-type reinforced concrete beams were designed and made based on the two truss models, i.e, the plasticity truss model and the compatibility truss model, to observe shear strength of concrete and stress distribution of stirrups. 6 beams test pieces were tested with the following testing parameters. 1) specified concrete strength ; 270kg/$\textrm{cm}^2$, 400kg/$\textrm{cm}^2$ 2) with and without the steel fiber.

• 간호행정학회지
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• 제10권2호
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• pp.233-241
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• 2004

Purpose: The study was done to analyze the concept of accountability. Method: This study adopts a methode of Walker and Avant(1995) for analysis. Result: The defining attributes of accountability are obligation(competency, implementation) of justification, explanation, reporting and disclosure one's action to whom, acception of the evaluation and sanction against results of one's action. The antecedents of accountability are competency, knowledge, skills, values, duty, obligation, authority, empowerment, responsibility, autonomy. The consequences are public safety, improvement of professionalism & healthcare quality, partnership and stress & strain. Conclusions: It is required to develop the ethical concept and theory construction for accountability.

• 한국융합학회논문지
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• 제10권7호
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• pp.71-76
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• 2019

본 연구의 목적은 교양영어 학습자들을 대상으로 실천학습(Action learning) 기법을 활용한 영어 수업 사례 연구를 통하여 그 효과를 알아보고자 했다. 본 연구는 학습자 중심 수업을 기본으로 하여 학습자 간의 상호수정 활동을 통해 영어 기술을 익힐 수 있다는 것에 연구의 가치를 두고 실천학습(Action learning)을 수업에 활용함으로써 그 효과를 알아보고자 했다. 2018년 3월 1일부터 2018년 6월15일까지 교양 영어 두개 반(실험반, 통제반) 학생을 대상으로 하였으며 실험 집단은 실천학습(Action learning) 협력기법을 활용한 협력쓰기 수업을 진행하고, 통제 반은 교수자가 기존에 하던 방식의 쓰기 수업을 진행하여 비교하였다. 본 연구의 연구문제는 실천학습(Action learning) 기법을 적용한 협력 쓰기 활동이 학생들의 쓰기 유창성에 어떠한 영향을 미치는가를 알아보고자했다. 연구결과, 실험집단의 경우 단어의 수, 문장의 수와 문장 길이 등의 쓰기의 유창성 부분에서 통계적으로 유의미한 결과를 가져왔다. 학습자들은 학습 관계에서 더 깊이 있게 다른 사람들이 지닌 지식이나 생각을 공유하고 보다 규칙적인 근거를 가지고 근접발달영역 들어갈 수 있었다.

• 한국가정과교육학회지
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• 제8권2호
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• pp.91-104
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• 1996

This study was to develop and to suggest a lesson plan for the area of‘Human Development and Family Relationship’in home economics for junior high school, based on Thelen’s Group Investigation Model’. Group investigation model by Thelen was developed from the theory that the education with special purpose such as societic knowledge is a method to lesson one’s conflict. This study further developed from three main concepts： inquiry, knowledge and activities of learning groups. This model can be used for any age and any subjects in order to solve the arised problems, rather than to accept pre-organized and pre-decided informations. This study is organized around activities for seeking and practicing the rages of action to create dispersal home. First, one unit ‘Understanding of Family’was chosen that concerns and suitable for group investigation model. Second, From the chosen chapter and problem were analyzed organized. Third, the chosen problem were re-analyzed, then a model lesson for group investigation was proposed.

• Journal of Medicine and Life Science
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• 제15권2호
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• pp.51-55
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• 2018

Acceptance and Commitment Therapy (ACT) is a functional contextual intervention approach based on the behavioral theory on human language, which views human suffering as originating in psychological inflexibility fostered by cognitive fusion and experiential avoidance. Thus, the goal of ACT is to enhance psychological flexibility using six core processes including acceptance, cognitive defusion, self-as-context, contact with present moment, values clarification, and committed action. Recent clinical trials have suggested the efficacy for ACT in the treatment of various mental illness and psychological distress. The aim of this review is to offer more knowledge and better understanding of ACT by presenting its underlying principle and an overview of the research field.