• Title/Summary/Keyword: causal interaction

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Fuzzy Cognitive Map Construction Support System based on User Interaction (사용자 상호작용에 의한 퍼지 인식도 구축 지원 시스템)

  • Shin, Hyoung-Wook;Jung, Jeong-Mun;Cheah, Wooi Ping;Yang, Hyung-Jeong;Kim, Kyoung-Yun
    • The Journal of the Korea Contents Association
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    • v.8 no.12
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    • pp.1-9
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    • 2008
  • Fuzzy Cognitive Map, one of ways to model, describe and infer reasoning relations, is widely used in the field of reasoning knowledge engineering. Despite of the natural and easy understanding of decision and smooth explanation of relation between front and rear, reasoning relation is organized with mathematical haziness and complex algorithm and rarely has an interactive user interface. This paper suggests an interactive Fuzzy Cognitive Map(FCM) construction support system. It builds a FCM increasingly concerning multiple experts' knowledge. Futhermore, it supports user-supportive environment by dynamically displaying the structure of Fuzzy Cognitive Map which is constructed by the interaction between experts and the system.

An Empirical Study on Utilization of Electronic Government Services (전자정부 서비스 활용에 관한 실증연구)

  • Kim, Kyung-Hee;Park, Tae-Jun;Jang, Woo-Jung
    • Journal of Digital Convergence
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    • v.10 no.5
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    • pp.7-17
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    • 2012
  • This paper identifies the determinants of adoption and diffusion of e-government services, and examines the causal relationship among the variables of adoption behavior. The main findings, based upon survey responses from service users, are as follows: first, both the value of service and the socially influencing factor have the positive effect to the intention of utilizing services. Second, the socially influencing factor has the indirect effect to the intention of utilizing services, because it positively affects the value of service. The interaction factors, however, do not directly affect the intention of utilizing services. These interaction factors indirectly affect the intention of utilizing services through the path which increases the value of service, and its effect is larger than the socially influencing factor.

Association between Systemic Health Conditions and Self-Reported Oral Health in Korean Elderly (한국노인의 전신건강상태와 주관적 구강건강 관련성)

  • Choi, Eun Sil;Lyu, Jiyoung;Patton, Lauren L.;Kim, Hae-Young
    • Journal of dental hygiene science
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    • v.17 no.1
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    • pp.56-64
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    • 2017
  • Systemic health conditions increase with advancing age, and may be linked to poor self-reported oral health. The purpose of this study was to evaluate the association between systemic health conditions and poor self-reported oral health among Korean elderly. The study used a nationally representative sample of Koreans (2012 Korea National Health and Nutrition Examination Survey) aged 65~98 years (n=1,595). Systemic health conditions in this population were assessed by the presence of one or more of the following conditions: obesity, hypertension, diabetes, and hypercholesterolemia. The relative risk of poor self-reported oral health according to the occurrence of systemic health conditions was estimated by multivariate logistic regression after controlling for several potential confounders (i.e., socio-demographic factors, oral health behaviors, health behaviors, and psychological factors). After adjustment for these confounders, the relative risk of having poor self-reported oral health was greater among the elderly with one or more systemic health conditions than in those without a systemic health condition. The odds ratio of having poor self-reported oral health according to the occurrence of systemic health conditions was 1.51 (95% confidence interval, 1.08~2.12). Among the Korean elderly, perception of poor oral health was associated with the presence of one or more systemic health conditions. Future studies are needed to examine the detailed causal relation between systemic health conditions and poor oral health longitudinally.

A Study on the Determinants of Customers' Behavioral Intention of Incheon Port Hinterland Service (인천항 배후단지 서비스의 고객행동의도 결정요인에 관한 연구)

  • Kim, Byeong-Il;Yu, Hong-Seong;Lee, Hyeon-U
    • Journal of Korea Port Economic Association
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    • v.24 no.4
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    • pp.115-137
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    • 2008
  • The present study purposed to derive the major attributes of the service quality of port hinterlands from previous research and interviews with specialists, to examine causal relations among the service quality of hinterlands, customer satisfaction, switching barrier and customers' behavior, and to suggest strategic implications. According to the results, the service quality of port hinterlands was divided into 'interaction quality', 'physical environment quality' and 'service delivery quality,' and among the three dimensions of quality, 'physical environment quality' and 'service delivery quality' had a significant effect on customer satisfaction but 'interaction quality' did not. These results suggest directions for what dimensions of quality should be controlled in order to improve the service quality of port hinterlands with limited management resources, and thus they are expected to contribute to more strategic marketing activities upon customers.

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A Comparative Study on the Institutional Complementarities in Coordination of the sphere of Distribution and Production: Focus on the Determinants of Income Inequality (분배조정과 생산조정의 제도적 상보성에 관한 비교사회정책연구: 소득 불평등에 미친 영향을 중심으로)

  • Baek, Seung-Ho
    • Korean Journal of Social Welfare
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    • v.57 no.4
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    • pp.91-118
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    • 2005
  • This paper examines the impact of the institutional complementarity between welfare regimes and production regimes on income inequality. Using comparative welfare data by various sources for 14 OECD nations from 1980 to 1997, this paper attempts to answer two questions. First, is there a institutional complementary in regulatory process between distribution and production? Second, if it is correct, what kind of causal structure do we predict? Panel Corrected Standard Errors(PCSE) model, a data analysis method in pooled cross-sectional time-series, is employed to examine the interaction effects between the two variables: coordination in the sphere of distribution; coordination in the sphere of production The evidence suggest that there are powerful interaction effects between distributive coordination and production coordination and that the institutional complementary has effects on income inequality. First, the income inequality effect of coordination in the sphere of distribution becomes less positive(more negative) as coordination in the sphere of production increases. Second, the income inequality effect of coordination in the sphere of production becomes less positive(more negative) as coordination in the sphere of distribution increases.

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Factors Affecting Financial Performance of ERP System Based on BSC Framework: The Moderate Effect of Strategic Alignment and the Mediating Effect of Customer and Business Process Perspectives (BSC프레임워크 기반 ERP시스템의 재무 성과 영향요인: 전략적 연계성의 상호작용효과와 고객 및 비즈니스 프로세스 관점의 매개 효과)

  • Park, Ki Ho
    • The Journal of Information Systems
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    • v.30 no.3
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    • pp.93-112
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    • 2021
  • Purpose Recently, many organizations are actively adopting enterprise architecture (EA) as a methodology to manage IT assets and build IT-based business system. This study intended to empirically examine how the role of EA operating unit and utilization capability of organizational members impact on system performance at the post-adoption stage. A balanced score card (BSC) is being used as a framework for a company's key performance indicator (KPI). Design/methodology/approach This study tried to investigate the causal relationship between the four perspectives of the balanced scorecard as an influencing factor of the introduction of the Enterprise Resource Planning (ERP) on the financial value. In particular, the mediating effect between the customer's point of view and the business process point of view was investigated between the learning growth point of view and the financial point of view, and the interaction effect (regulating effect) of strategic linkage in the system introduction process was investigated. Findings The results of the study were first, that the organizational learning and growth perspective had a positive effect on the customer perspective, business process, and financial perspective. In addition, the customer perspective and the process perspective also had a positive influence on the financial perspective. Second, between the learning growth and financial perspectives, the customer perspective and the process perspective showed a partial mediating effect. Third, as for strategic linkage, the interaction effect between the customer perspective, the learning growth perspective, and the process perspective and the financial perspective was not significant. The results of this study are expected to provide a framework for performance evaluation to organizations that have introduced ERP systems.

The Longitudinal Relationships between Depression and Smoking in Hardcore Smokers Using Autoregressive Cross-Lagged Modeling

  • Han, Jeong Won;Lee, Hanna
    • Journal of Korean Academy of Nursing
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    • v.49 no.1
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    • pp.69-79
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    • 2019
  • Purpose: This study aimed to identify the directionality of the causal relationship and interaction between depression and amount of smoking over time in hardcore smokers using longitudinal descriptive analysis. Methods: Secondary data from the Korean Welfare Panel Study were analyzed using autoregressive cross-lagged modeling. Participants included 342 hardcore smokers who participated in the 8th to 11th waves of the panel study. Results: Analyses revealed that change(s) in depression levels according to time had a significant positive relationship with the total amount of smoking per day (${\beta}=.29$, ${\beta}=.19$, ${\beta}=.17$, p<.001), while change(s) in total amount of smoking per day according to time had a significant positive relationship with depression (${\beta}=.43$, ${\beta}=.50$, ${\beta}=.38$, p<.001). Analysis of the cross-lagged effect between depression and total amount of smoking per day showed that depression at one time point had a significantly positive relationship with the total amount of smoking per day at the next time point (${\beta}=.14$, ${\beta}=.13$, ${\beta}=.13$, p=.021), and that the total amount of smoking per day at one time point had a significant positive relationship with depression at the next time point (${\beta}=.04$, ${\beta}=.04$, ${\beta}=.03$, p=.044). Conclusion: The findings in the present study confirmed a cross-interaction between depression and total amount of smoking per day in hardcore smokers. The present findings could be used to develop appropriate smoking-related interventions.

The causal relationship between exercise satisfaction and exercise continuity in the interaction of Pilates instructors and participants (필라테스 지도자와 참여자의 상호작용성이 운동만족 및 운동지속 간의 인과 관계)

  • Kim, Ji-Sun
    • Journal of the Korean Applied Science and Technology
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    • v.39 no.2
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    • pp.324-334
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    • 2022
  • In this study, to analyze the relationship between exercise satisfaction and exercise continuity that occurs in the interaction between leaders and participants, non-probability sampling was performed on 232 individuals from January 17 to March 9, 2022, and a structural model of 187 effective samples was used. applied and analyzed. First, the reliability and intimacy of Pilates leader-participants were found to have a significant effect on exercise satisfaction. Second, significant results were derived between Pilates exercise satisfaction and exercise continuity. Third, Pilates reliability was found to have a significant effect on exercise continuity, but intimacy was partially adopted as not having a significant effect on exercise continuity. However, the indirect effect between the mediating effects of exercise satisfaction can be seen to be statistically significant, and it can be predicted that Pilates causes positive behavior in exercise satisfaction and further reduces avoidance or indirectly affects other exercises. In addition, these performances are considered to have an impact on business performance as well as mutual relationships.

The impact of technology acquisition strategy on firm performance in Korean Medium size Enterprises (중견기업의 기술획득전략이 성과에 미치는 영향)

  • Hyun, Yong Soo;Lee, Byung Heon;Lee, Jin Seek
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.8 no.3
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    • pp.1-16
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    • 2013
  • The purpose of study is to promote the development of medium size enterprises(MSE) by analyzing the causal relationship between technology acquisition strategy and firms' performance. In this study, we use the number of intellectual property, sales growth rates, and return on sales as proxy variables of technological and financial performances. This study includes internal R&D investment, cooperative R&D with academy, foreign technologies transferred, and their interaction effects as the independent variables. The results of study are as follows. Frist, R&D Investment, Foreign Technologies Transferred and their interaction effects are positively influence on technological performance. Second, Cooperative R&D with academy and the interaction effects of R&D Investment and Cooperative R&D with academy are negative influence on technological performance. On the other hand, all of the main independent variables and the interaction effects have non-significant relationships with financial performances. These results imply that technological innovation efforts of MSEs do not effectively increase their financial performances. Furthermore, technological supports of government and academy on MSEs' innovation do not effectively increase their innovation outputs. Finally, this study discussed its theoretical and practical implications and the limitations of the study.

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A Semantic Analysis of the Indeterminacy in Contemporary Fashion - Focusing on Fashion Since 2000 - (현대 패션에 나타난 불확정성의 의미해석 - 2000년대 이후 패션을 중심으로 -)

  • Hwang, Hye-Jin;Kim, Min-Ja
    • Journal of the Korean Society of Costume
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    • v.62 no.5
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    • pp.1-15
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    • 2012
  • In a fast changing postmodern society, contemporary fashion is becoming more complicated and ambiguous along with other genres of art than ever before. This phenomenon reigning as a sociocultural paradigm can be defined as 'indeterminacy' and it means 'undecidability'. The purpose of this study is to clarify and analyze the indeterminate characteristics of contemporary fashion reviewing the theoretical background and the architectural formativeness as a comparative research. The core idea of deconstructivism dismantles a causal relationship between function and form in fashion and the conventional notion about clothes. Complexity theory, which is the study of chaotic dynamical systems, suggests the creative idea and concept of infinite possibilities on a formative method. Meanwhile, catastrophe theory of discontinuous change can be used as interpretative strategies for the process of deconstruction and reconstruction. As a result of this study, the indeterminacy of fashion can be analyzed into five semantic categories: irregularity, immateriality, randomness, complexity and changeability. The intrinsic value of the indeterminacy in contemporary fashion is the interaction with a sociocultural ideology and a technological environment as well as an expansion of formative expression. To conclude, it can be said that the indeterminacy in fashion is a new interpretation of the relationship among body and space, clothes and society.