• 제목/요약/키워드: Choice Theory

검색결과 398건 처리시간 0.028초

기록과 역사 - 역사서술에서 기록물과 사료, 역사이론의 관계 - (Records and History - the Relations of Records, Historical Material and Historical Theory in the Historical Narrative)

  • 전명혁
    • 기록학연구
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    • 제11호
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    • pp.123-143
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    • 2005
  • 1. Introduction : From the Memorial to the Records, From the Records to the Archives 2. Archivists and Historians : the Records Keeping, Appraisal and Selection 3. Records and Historical Materials in the Historical Narrative 4. the Relation of the Facts and Theory in the History 5. Conclusion In this essay I considered the relations of records and history, namely the process on the selection and choice from the records to the archives and the historical materials and in the process the role on the archivists and historians and difference and the relation of the facts and theory in the history. Archival science posits that an archives is the whole of the documents made or received in the course of purposeful activity, and of the relationships among those documents. Archival theory posits that it is the primary function of the archivists to maintain unbroken, continuing custody of societal archives, and to protect their integrity by keeping them physically and intellectually uncorrupted. The ultimate purpose of archival endeavors is to hand down to the next generations a reliable, trustworthy, and complete testimony of societal actions so that they can constitute sources of, and foundations for, future decision making. However, historical science searches for the truth in the historical facts, explains the cause and origin of the matters and reflects on th knowledge about the why and how the events happened. And history is firmly rooted on the philosophy. The goal of historian is analysing the nature of meaning of past in the society and tracing up the change and process of the transition. Archival science means historical source studies and other related disciplines. On the other hand archival management is the principle of respect for original order and the importance of original forms and conditions. Thus the relations between archival science and archives management are not one-sided but mutual. Archival science and historical studies, archivists and historians need to link more closely in order to hand down the contemporary memorial, the common memorial of mankind to the future.

전환 좌절상황에서 소비자의 부정적 심리반응에 관한 연구 (The Effects of Switching-Frustrated Situation on Negative Psychological Response)

  • 정윤희
    • Asia Marketing Journal
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    • 제14권1호
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    • pp.131-157
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    • 2012
  • 현재 치열한 경쟁상황 속에서 기업들은 소비자들이 다른 대안으로 전환하는 것을 막기 위한 다양한 전략들을 실행하고 있으며, 이 중에서 전환장벽을 이용하는 전략은 고객유지와 관련해 매우 효과적인 것으로 알려져 있다. 하지만 전환 장벽으로 인해 새로운 대안으로 바꾸지 못하고 현재 서비스제공자와의 관계를 유지해야 하는 소비자 입장에서도 전환장벽이 긍정적일 것인가? 심리적 반작용이론에 의하면, 사람들은 어떤 자유가 위협받거나 제거될 때, 그 자유를 되찾는 방향으로 동기부여 되거나 어떤 부정적 반응을 보일 수 있다고 하였다. 전환장벽 역시 전환의 자유를 제약한다는 점에서 소비자의 부정적 반응을 유발할 수 있으므로, 본 연구는 전환장벽으로 인해 다른 대안을 단념해야 하는 상황에서 소비자가 경험할 수 있는 부정적 심리 반응과 그에 영향을 주는 변수들에 초점을 맞춘다. 연구가설에서, 부정적 심리반응에는 '이전선택에 대한 후회', '현재 제공자에 대한 원망', '좌절된 제공자에 대한 열망'을 포함하였으며, 전환좌절 상황의 특성-'좌절된 대안의 매력성', '전환 장벽의 심각성'-이 이러한 반응들에 영향을 줄 것으로 가정하였다. 그리고 이러한 전환 좌절상황의 특성이 주는 부정적 영향은 현재까지 해당 제공자로부터 받은 대우에 따라서 달라질 것으로 보고 지각된 공정성을 조절변수로 추가하였다. 연구 결과 전환좌절상황의 특성과 부정적 심리반응의 관계는 모두 지지된 반면, 지각된 공정성의 조절효과는 대부분의 관계를 상호작용 공정성이 조절하는 것으로 나타나 일부만이 지지 되었다. 이러한 결과는 전환 장벽의 긍정적 측면에만 영향을 밝혀온 기존 연구의 한계점보완하고 있으며 그에 따른 이론적 실무적 시사점을 제공해준다.

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거래비용이론을 이용한 중소기업의 직접수출 전환 결정요인 분석 (A Transaction Cost Approach to Analysis on Determinants of Korean SMEs' Transformation into Direct Export)

  • 하성흔;정윤세;박현희
    • 통상정보연구
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    • 제18권3호
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    • pp.181-201
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    • 2016
  • 본 연구에서는 우리나라 중소기업의 수출기업화를 유도하기 위한 결정요인이 무엇인지 분석하기 위해 거래비용이론을 기반으로 중소기업의 거래비용 및 수출기업화 요소가 기업의 수출결정에 어떻게 작용하는지를 파악하고자 하였다. 거래비용이론에서는 제조업의 유통거래에 있어 거래비용 증가 시, 관련 유통거래를 내부화한다고 설명하고 있는데 본 연구는 기존 간접수출에 의한 국내 판매와 이를 내부화한 직접수출 즉, 수출기업화의 거래구조 선택으로 이를 응용하였다. 실증분석결과 중소기업은 거래특유자산이나 국내시장 마케팅 역량이 부족하거나, 혹은 수요 감소와 사업 환경 악화, 경쟁심화 등 시장의 위협요소가 증가하는 경우에는 거래기업의 기회주의에 크게 노출 될 수 있다. 이 경우 중소기업의 기존 간접수출방식에 의한 계약거래는 높아진 기회주의로 인해 부정적인 영향을 받아 거래구조를 변경하여 직접수출 거래방식으로 계약구조 변화를 선택하게 된다.

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프라이버시 무관심에 영향을 미치는 요인에 관한 연구 (An Understanding the Factors That Influence on Unconcern about Privacy Information)

  • 정태석;임명성
    • 디지털융복합연구
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    • 제10권6호
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    • pp.49-59
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    • 2012
  • 본 연구는 왜 인터넷 사용자들이 자신의 개인정보 프라이버시에 무관심한지를 설명하는 것을 목적으로 한다. 이를 위해 Nate.com을 관련 사례로 선정하였다. Nate.com은 최근에 외부 침입에 의한 개인정보 유출사고를 경험하였다. 이 때 Nate.com은 이러한 사실을 사용자들에게 알렸으나 대부분의 사용자들은 Nate.com을 탈퇴하지 않고 여전히 이용하고 있다. 이를 무관심 관점에서 설명하기 위해 질적 그리고 양적 기법을 수행하였다. 우선, 연구설계를 위해 240명의 Nate.com 사용자를 인터뷰하였다. 인터뷰를 통해 나온 결과를 기반으로 연구모형을 수립하고 설문을 구성하였으며, 이를 배포하여 데이터를 수집하였다. 가설 검증은 구조방정식 모형을 통해 수행되었다.

지방정부 사회복지비 지출수준의 결정요인 분석 (Determinants of the Social Welfare Expenditure in Local Government)

  • 김교성;이재완
    • 한국사회복지학
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    • 제41권
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    • pp.68-92
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    • 2000
  • The purpose of this study is to analyze the determinants of social welfare expenditure in local government. The period of 1995 through 1998 data in Seoul, 6 other metropolitan areas, and 9 provinces (Do) were selected and pooled as unit of analysis and total 8 independent variables were selected based on the theoretical background and previous studies. The pooled cross-sectional time-series regression using SPSS program was adapted for the analysis. Among selected independent variables, the rate of economic expenditure to the local government expenditure, the rate of financial self-reliance, and the increase rate of social welfare expenditure to the previous year has been played a significant role in the rate of social welfare expenditure to the total expenditure. Both the rate of economic expenditure and rate of financial self-reliance have had a negative impacts on the rate of social welfare expenditure and the increase rate of social welfare expenditure have affected the rate of social welfare expenditure positively. Therefore, the variables based on the economic constraint theory as well as incrementalism perspective gives greater explanatory power of the social welfare expenditure than the variables on the political choice theory in Korean local government.

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수직다관절 매니퓰레이터에 대한 비선형 되먹임제어의 응용 (Application of Nonlinear Feedback Control to an Articulated Manipulator)

  • Y.S. Baek;C.I. Yang;H.S. Aum
    • 한국정밀공학회지
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    • 제12권9호
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    • pp.104-114
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    • 1995
  • Mathematical models of industrial robots or manipulators are composed of highly nonlinear equations with nonlinear couplings between the variables of motions. These nonlin- earities were not considered important in the first stage that the working speed of the manipulator was not so fast, but the effect of nonlinear forces has become serious, as the working speed has been increased. So more improvement of performance cannot be expected by the control of manipulator using approximate linearization. As an approach for solving these problems, there is a method that eliminates nonlinear theory, which makes possible cecoupling of coupling terms and arbitrary arranging of poles is briefly introduced in this study. When the theory is applied to design the control law, its feasibility is examined whether the reasonable control results are obtained by simulating position, velocity, torque and tracing trajectory. The relations between the coefficients of the linearized differential equations and the maximum error and torque for the prescribed trajectory are also examined. Finally, the method for selecting the values for getting the most rapid and precise response within maximum torque of each drive is suggested in the choice of coefficients of characteristic equations which are obtained as a result of the control.

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간호대학생의 진로행동에 영향을 미치는 요인에 대한 경로 분석- 사회인지 진로이론을 중심으로 (Path Analysis of Factors Influencing Career Preparation Behavior of Korean Nursing Students - Based on Social Cognitive Career Theory)

  • 구현영;박옥경;정선영
    • Child Health Nursing Research
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    • 제23권1호
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    • pp.10-18
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    • 2017
  • Purpose: The purpose of this study was to identify personal, contextual, and cognitive factors influencing the career preparation behavior of Korean nursing students. In this study, an examination was done of the fitness of a path model for the relationship among these factors based on the social cognitive career theory. Methods: The participants were 413 nursing students in South Korea. Data were collected using self-report questionnaires that included self-esteem, social support, self-efficacy, outcome expectation, career decision level, and career preparation behavior. Data were analyzed using descriptive statistics, Pearson correlation analysis, and path analysis. Results: The factors influencing career preparation behavior were self-efficacy, career decision level, self-esteem, outcome expectation, and social support. The factors influencing career decision level were self-efficacy, outcome expectation, self-esteem, and social support. Conclusion: The findings indicate that self-efficacy is an important factor influencing the career behavior of Korean nursing students. Nurse educators should consider personal, contextual, and cognitive factors of nursing students and develop systemic career guidance programs to help nursing students' career preparation behavior.

문항반응이론을 이용한 CSP 기반의 학습자 중심 문제추천 프로세스 (A CSP based Learner Tailoring Question Recommendation Process using Item Response Theory)

  • 정화영
    • 인터넷정보학회논문지
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    • 제10권5호
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    • pp.145-152
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    • 2009
  • 학습과정이나 맞춤형 학습과 같은 애플리케이션에서는 학습자에 맞는 상호작용에 의한 학습자 모델 결과를 신뢰할 수 있어야 한다. 이에 CAT(Computer Adaptive Testing)는 학습정보를 최대화하기 위해 학습항목을 관리할 수 있어서 유용하게 사용된다. 본 연구는 학습자 중심의 문항추천 프로세스를 설계하였다. 이는 CAT에서 활용되어질 수 있으며, 각 프로세스의 전개방법은 정형화 언어인 CSP를 사용하였다. 또한 문항추천 방법은 문항반응이론의 문항난이도를 이용하였으며, 학습자는 다음 학습의 문제 난이도 조정을 위해 난이도 변경단계를 설정할 수 있도록 하였다. 이러한 방법을 통하여 기존의 방법과 비교함으로서 그 구조적인 차이를 제시하였다.

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A Generous Cooperative Routing Protocol for Vehicle-to-Vehicle Networks

  • Li, Xiaohui;Wang, Junfeng
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제10권11호
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    • pp.5322-5342
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    • 2016
  • In vehicle-to-vehicle (V2V) networks, where selfishness degrades node activity, countermeasures for collaboration enforcement must be provided to enable application of a sage and efficient network environment. Because vehicular networks feature both high mobility and various topologies, selfish behavior judgment and establishment of a stable routing protocol become intensely challenging. In this paper, a two-phase-based generous cooperative routing protocol (called GEC) is presented for V2V networks to provide resistance to selfishness. To detect selfish behaving vehicles, a packet forwarding watchdog and an average connection rate based on the multipath weight method are used, where evidence is gathered from different watchdogs. Then, multihop relay decisions are made using a generous cooperative algorithm based on game theory. Finally, through buffering of the multiple end-to-end paths and judicious choice of optimal cooperative routes, route maintenance phase is capable of dealing with congestion and rapidly exchanging traffic. Specifically, it is proved that the GEC is theoretically subgame perfect. Simulation results show that for V2V networks with inherently selfish nodes, the proposed method isolates uncooperative vehicles and is capable of accommodating both the mobility and congestion circumstances by facilitating information dissemination and reducing end-to-end delay.

Cognitive Biases and Their Effects on Information Behaviour of Graduate Students in Their Research Projects

  • Behimehr, Sara;Jamali, Hamid R.
    • Journal of Information Science Theory and Practice
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    • 제8권2호
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    • pp.18-31
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    • 2020
  • Cognitive biases can influence human information behaviour and decisions made in information behaviour and use. This study aims to identify the biases involved in some aspects of information behaviour and the role they play in information behaviour and use. Twenty-five semi-structured face-to-face interviews were conducted in an exploratory qualitative study with graduate (MA and PhD) students who were at the stage of their dissertation/thesis research. Eisenberg & Berkowitz Big6TM Skills for Information Literacy was adopted as a framework for interviews and the analysis was done using grounded theory coding method. The findings revealed the presence of twenty-eight biases in different stages of information behaviour, including availability bias (affects the preference for information seeking strategies), attentional bias (leads to biased attention to some information), anchoring effect (persuades users to anchor in special parts of information), confirmation bias (increases the tendency to use information that supports one's beliefs), and choice-supportive bias (results in confidence in information seeking processes). All stages of information seeking were influenced by some biases. Biases might result in a lack of clarity in defining the information needs, failure in looking for the right information, misinterpretation of information, and might also influence the way information is presented.