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유사성 이론에 관한 일 고찰 - Goldstone의 SIAM모델을 중심으로 -
이태연(Tae YeoN Lee),김기중(Ki-Joong),이관용(Kwanyohg Rhee) 서울대학교 심리과학연구소 1995 心理科學 Vol.4 No.2
이 논문은 심리학의 주요한 개념인 유사성에 관한 Goldstone의 SIAM 모델을 중심으로 기존 모델들을 비교 검토하였다. 유사성은 지금까지 다차원 척도 모델과 대비 모델 등으로 설명되었는데, 최근에 이론-근거 접근론자들은 유사성을 결정하는 데 자극 속성만으로는 불충분하며, 세상 지식이나 선택적 주의도 역시 유사성 판단에 영향을 미친다고 주장하였다. 기존의 다차원 척도 모델이나 대비 모델은 피험자들이 자극 차원 중 어느 차원에 주의를 기울이는 지에 관해 설명하지 못한다. 이러한 한계점에도 불구하고, Goldstone의 SIAM모델은 유사성이 여전히 설명 개념으로서의 가치가 있음을 보여준다. 이 모델에 따르면 대상들간의 대응 관계형성이 유사성 결정에 중요하며, 처리 시간이 증가함에 따라 국소일치보다는 전체 일치가 유사성 판단에 큰 영향을 미친다. 따라서 본 논문에서는 다차원 척도 모델과 대비 모델을 중심으로 유사성에 관한 이론들을 개관하고, 범주화 연구들에서 드러난 설명 개념으로서의 유사성의 한계점을 검토하였다. 그리고 설명 개념으로서의 유사성이 지니는 가능성을 역동성, 속성들간의 상관 및 관계적 구조라는 측면에서 살펴보았다. We examined existing models on similarity, especially Goldstone's model. Similarity has been explained by the multidimensional scaling model and the contrast model. Recently, researchers with theory-based approach claim that existing models could not explain similarity. According to them, similarity can not be explained by stimulus properties alone, and world knowledge and selective attention could play important roles in determining similarity. However. similarity still has some possibility as an explanatory concept despite its limitations. Goldstone's SIAM model reveals that similarity has some value as an explanatory concept. In determining similarity. the SIAM model shows that corresponding relation between objects is important and global matching is more important than local matchings as processing time increases. And we reviewed the multidimensional scaling model and the contrast model as representative models. and we discussed the limits of similarity as an explanatory concept revealed in some categorization studies. And then. we considerd the possibility of the similarity as an explanatory concept in respect to dynamics. relations between properties and relational structure.
전기자동차 슬립제어를 위한 적응제어 알고리즘에 관한 연구
이태연(Tae-yeon Lee),신준(Joon Shin) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.5
Electric motors in electric vehicles has quite fast torque response. However most electric vehicles developed until now have not yet utilized it. In this parer two novel traction control techniques of electric vehicle using this advantage are proposed. Fast minor feedback loops can be applied for vehicle slip control. In this study, a model following control based slip ratio controller is suggested. This paper introduced a novel strategy of control for wheel slip in electric vehicle by computer simulations. This paper suggested that the control strategy in this paper can control the driving motor torque to drive the wheel on the slippery road surface.
환경행동에 미치는 정서적 요인의 영향:-보호동기이론과 환경 책임성 행위모형에 근거한 잠정적 모형의 비교-
이태연(Lee Tae-yeon) 한국환경교육학회 2002 環境 敎育 Vol.15 No.1
So far, the environmentally responsible behavior(ERB) model has been applied successfully to explain environment behaviors. But the ERB model has several limitations such as underestimation of social factors on environment behaviors. This study planned to point out that the emotional aspects should be considered seriously for explaining human's behaviors to conserve the environment in the ERB model. In this study, the effects of emotional aspects, such as perceived severity or perceived danger, on environment behaviors were investigated and the protective motivation theory(Rogers, 1983) and the ERB-based tentative model were compared. Results showed that teenagers in urban areas realized clearly the severity and danger of environmental threats and do environmentally responsible behaviors more than ones in rural areas. Two model's goodness of fit to explain observed environment behaviors were analyzed through the regression analysis and the AMOS analysis. in the regression analysis, self-efficacy, confirminty toward social norm, and knowledge were involved in the regression equation as statistically meaningful variables in the ERB-based tentative model and self-efficacy and perceived severity were involved in the protective motivation theory. Especially, the AMOS analysis showed that the protective motivation theory was more valid model for explaining environment behaviors than the ERB-based tentative model. In conclusion, it is reasonable that emotional aspects should be considered as meaningful variables for explaining environment behaviors.
이태연(Lee, Tae Yeon),권윤희(Kwon, Yunhee) 한국간호교육학회 2014 한국간호교육학회지 Vol.20 No.2
Purpose: The aim of this study was examine effects of fatigue, anxiety, depression, social support, and spiritual well-being of supportive education program for hospice patientss family. Method: Using a non-equivalent control group pre-post quasi-experimental design, 70 study subjects were assigned into two groups, experimental group (n=35) and the control group (n=35). Measures were fatigue, state-anxiety, depression, social support, and spiritual well-being to test for the effects of supportive education program for hospice patientss family. Data analyzed using x² test, t-test with SPSS/WIN 19.0 version. Results: The experimental group receiving supportive education program for hospice patientss family had a significant changes of fatigue, state-anxiety, depression, social support, and spiritual well-being. Conclusion: The supportive education program for hospice patientss family is an effective intervention to enhance social support and spiritual well-being and to decrease fatigue, anxiety and depression.