• 한국IT서비스학회지
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• 제14권2호
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• pp.33-49
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• 2015

The purpose of this study is to analyse the effect of information application of the elderly on their lives through analysing the key papers on the topic. To achieve the aim of this study, we searched the papers from RISS, KISS, DBpia and the National Assembly Library of the Republic of Korea, using keywords such as 'the elderly and informationization,' 'the elderly and information application,' and 'mediator effect.' In the search process, we did not limited the publication year or journal types. A total of 476 papers were searched as the result of the initial search. Based on three researchers consent of selection criteria, we finally selected 19 papers and analysed the important mediator variables between the information application and the life satisfaction or happiness. Using the content analysis, we analysed the quantitative analyses (including sample characteristics and sociodemographic statistics) and qualitative analyses (including result interpretation and policy implication about the elderly information education). After in-depth analysis of the papers, we built a table organized by the independent variable and the mediator variable. With the results, several implications were discussed and contributions are also explained.

• The Journal of Asian Finance, Economics and Business
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• 제7권11호
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• pp.999-1007
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• 2020

This study aimed to investigate the influence of spiritual leadership on innovative work behavior and the effect of knowledge sharing on job crafting. Furthermore, the roles of knowledge sharing as a mediator for the impact of spiritual leadership on innovative work behavior, and job crafting as a mediator for the relationship between variables, were also examined. This research employed quantitative analysis, including the PLS-SEM approach; SMART-PLS, a measurement and structural equation model was employed to explain the relationship between variables, and the effect of mediation. The population study consisted of all lecturers at the Faculty of Economics and Faculty of Economics and Business at the PTKIN in East Java, Indonesia, comprising 220 randomly-selected samples. The result showed spiritual leadership does not directly influence innovative work behavior, while knowledge sharing directly affects job crafting. The findings indicated knowledge sharing mediates the impact of spiritual leadership on innovative work behavior, and the role of job crafting as a mediator for the relationship between variables was accepted. Therefore, this research confirms a positive influence of knowledge sharing on job crafting, and indicates both factors play an important role in mediating between variables, and are important for lecturers' innovative work behavior.

• 아동학회지
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• 제30권4호
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• pp.57-68
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• 2009

This study addressed ways in which parental poverty factors are associated with child school performance and how these relationships may be mediated by self-regulated study performance. Data of the Korea Education Longitudinal Survey (KELS : 2005) were used in this survey of 6,908 students in 150 schools. Parental poverty status, self-regulated study performance, and school performance achievement were administered when children were in 7th grade. Using structure equation modeling analysis, the results of this study confirmed that self-regulated study performance is a mediator of the linkage between poverty and school performance. Thus, children's positive self-regulated study performance acts to buffer the negative cycle of poverty.

• 한국문헌정보학회지
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• 제53권3호
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• pp.121-141
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• 2019

이 연구에서는 사회의 새로운 패러다임으로 정착하고 있는 사회자본과 공유경제의 특성을 분석하고, 이들을 매개하여 전체적인 사회적 편익을 보다 효율적으로 도모하기 위한 공공도서관의 사회적 역할을 설문조사를 통해 고찰하였다. 상관분석과 위계적 다중회귀분석을 통해 분석한 결과, 사회자본과 공유경제는 상호작용이 이루어지는 사회적 현상이며, 공공도서관은 사회자본의 형성 및 공유경제에 대한 참여에 긍정적인 영향을 미치는 것으로 나타났다. 사회자본과 공유경제를 매개하는 공공도서관의 역할 측면에서는, 공공도서관에서 제공하는 다양한 프로그램들이 사회자본과 공유경제를 매개하는데 영향을 미치는 것으로 분석되었다.

• Advances in Traditional Medicine
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• 제9권2호
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• pp.164-173
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• 2009

The anti-inflammatory effect of Spirulina fusiformis on monosodium urate crystal-induced inflammation in mice has been investigated and compared with the non-steroidal anti-inflammatory drug Indomethacin. The paw volume, lysosomal enzyme activities, lipid peroxidation, anti-oxidant status and inflammatory mediator tumour necrosis factor-$\alpha$ were studied in control and monosodium urate crystal-induced mice after oral administration of Spirulina platensis in an experimental model for gouty arthritis. In the induced mice, the levels of lysosomal enzymes, inflammatory mediator tumour necrosis factor-$\alpha$, lipid peroxidation and the paw volume increased significantly, whereas the antioxidant status decreased when compared to control mice. $\beta$-glucuronidase and lactate dehydrogenase level were also found to be increased in untreated monosodium urate crystal-incubated polymorphonuclear leucocytes. After the oral administration of Spirulina fusiformis, the physical and biochemical changes observed in monosodium urate crystal-induced animals were significantly restored to near normal levels. The results clearly indicated the anti-inflammatory role of Spirulina fusiformis, a promising drug for gouty arthritis.

• Communications for Statistical Applications and Methods
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• 제30권6호
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• pp.631-652
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• 2023

In the two-condition within-subject mediation design, pairs of variables such as mediator and outcome are observed under two treatment conditions. The main objective of the design is to investigate the indirect effects of the condition difference (sum) on the outcome difference (sum) through the mediator difference (sum) for comparison of two treatment conditions. The natural condition variables mean the original variables, while the rotated condition variables mean the difference and the sum of two natural variables. The outcome difference (sum) is expressed as a linear model regressed on two natural (rotated) mediators as a parallel two-mediator design in two condition approaches: the natural condition approach uses regressors as the natural condition variables, while the rotated condition approach uses regressors as the rotated condition variables. In each condition approach, the total indirect effect on the outcome difference (sum) can be expressed as the sum of two individual indirect effects: within- and cross-condition indirect effects. The total indirect effects on the outcome difference (sum) for both condition approaches are the same. The invariance of the total indirect effect makes it possible to analyze the nature of two pairs of individual indirect effects induced from the natural conditions and the rotated conditions. The two-condition within-subject design is extended to the addition of a between-subject moderator. Probing of the conditional indirect effects given the moderator values is implemented by plotting the bootstrap confidence intervals of indirect effects against the moderator values. The expected indirect effect with respect to the moderator is derived to provide the overall effect of moderator on the indirect effect. The model coefficients are estimated by the structural equation modeling approach and their statistical significance is tested using the bias-corrected bootstrap confidence intervals. All procedures are evaluated using function lavaan() of package {lavaan} in R.

• 한국시뮬레이션학회논문지
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• 제24권4호
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• pp.89-96
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• 2015

매개효과 검정기법으로 널리 사용하고 있는 Baron and Kenny 접근법, Sobel, Aroian, Goodman 검정법들의 통계적 검정력이 약할 뿐만 아니라, 정확하지 않다는 비판이 대두되면서, bootstrapping 기법이 대안으로 제시되고 있다. 이에 본 연구는 bootstrapping 기법을 토대로 세 개 이상의 변수로 구성된 다중매개모델에서의 매개효과 검정을 위해 가상의 phantom 변수를 도입하여 검정하였다. 특히, 경영전략분야의 자원기준관점 연구에서 진행되고 있는 조직자원과 매개변수 흡수능력, 그리고 기술사업화역량 관계 모델을 다중매개모델로 설정하여, bootstrapping 접근방법과 phantom 변수 설정을 통해 총간접효과 크기와 유의확률을 계산하고, 흡수능력의 매개효과를 검정하였다. 검정결과 매우 효율적이고, 체계적인 매개효과 검정이 가능하였음을 확인할 수 있었으며, 인적자원과 물적자원의 자원 특성에 따라 흡수능력의 매개 특성도 차이가 있음을 확인하였다.

• 한국콘텐츠학회논문지
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• 제19권3호
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• pp.375-384
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• 2019

본 연구는 대학생의 스트레스가 스마트폰 중독에 영향을 미치는 과정에서 우울감이 매개변인의 역할을 하는지 알아보고자 하였다. 이를 위해 대학생 400명을 대상으로 2017년 5월 1일에서 5월 31일까지 자료를 수집하였으며, 그 중 유효한 381명을 분석하였다. 분석에는 빈도분석, 신뢰도분석, 상관관계분석, 회귀분석을 실시하였고, 매개효과 검증을 위해 Baron & Kenny(1986)의 절차에 의한 매개효과 검증과 더불어 Sobel test를 실시하였다. 연구결과는 다음과 같다. 첫째, 변인들 간의 상관관계를 분석한 결과, 스트레스는 우울감(취업 스트레스 r=.353, 경제 스트레스 r=.193, 이성친구 스트레스 r=.138) 및 스마트폰 중독(취업 스트레스 r=.262, 경제 스트레스 r=.178, 이성친구스트레스 r=.190)간에 정적 상관관계(p<.01)를 나타냈다. 둘째, 우울감은 취업스트레스와 스마트폰 중독을 부분매개(Z=2.7151, p<.001)하는 것으로 나타났다. 이상의 연구결과를 토대로 취업스트레스 및 우울을 완화시킬 수 있는 교육/상담 프로그램을 제안하였다.

• 경영과정보연구
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• 제31권4호
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• pp.139-165
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• 2012

본 연구의 목적은 서비스 분야의 관계마케팅에서 간과되어 왔던 고객-기업 간의 감정적인 결속으로 대변되는 사회적 라포와 프렌드십의 역할을 조명해 보는 것이다. 연구의 결과, 사회적 라포와 프렌드십은 관계적 선행변수와 매개변수 사이에서 긍정적인 조절적 역할을 하는 것으로 확인되었다. 즉, 관계의 형성과 발전의 단계에서 감정적 결속이 더욱 관계발전을 도모할 수 있는 것이라고 말할 수 있다. 그러나 관계적 매개변수에서 관계적 결과변수에 이르는 흐름에서는 사회적 라포와 프렌드십이 오히려 부정적으로 조절적 역할을 하는 것으로 나타났다. 이것은 관계적 매개변수와 사회적 라포 및 프렌드십이 개별적으로 관계적 결과변수에 영향을 미치는 것으로 사회적 라포와 프렌드십이 형성되어 있다면 관계적 매개변수의 역할이 없이도 관계적 성과를 만들어 낼 수 있는 것으로 이해될 수 있다. 결론적으로, 기업의 관계마케팅 노력은 단순히 관계적 선행변수, 매개변수, 결과변수에 한정될 것이 아니라, 궁극적으로 고객의 기업에 대한 강력한 감정적인 결속의 형성에 주안점을 둘 필요가 있다고 말할 수 있다.

• The Journal of Asian Finance, Economics and Business
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• 제8권10호
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• pp.37-45
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• 2021

The purpose of this study was to explore and investigate: the direct impact of training on entrepreneurial performance and self-efficacy, the direct impact of leadership attitudes on entrepreneurial performance, and self-efficacy, the direct impact of self-efficacy on entrepreneurial performance, self-efficacy as a mediator of the effect of training on entrepreneurial performance, and self-efficacy as a mediator of the effect of leadership attitudes on entrepreneurial performance. This study purposively involved 131 entrepreneurs in Village-Owned Enterprises, Kuningan, Indonesia. The data was collected using a questionnaire. The data obtained was analyzed using Path Analysis with SPSS statistical software. This study has several findings. First, training has a significant effect on entrepreneurial performance and self-efficacy. Second, leadership attitudes have a significant effect on entrepreneurial performance and self-efficacy. Third, self-efficacy has a significant effect on entrepreneurial performance. Fourth, self-efficacy mediates the effect of training on entrepreneurial performance. Fifth, self-efficacy mediates the effect of leadership attitudes on entrepreneurial performance. The findings demonstrated that using self-efficacy-based training and leadership attitudes can enhance entrepreneurial self-confidence and assist them to improve their performance.