• Title/Summary/Keyword: 효과위계

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Hierarchical Analysis of Astronomical Concepts Using the Knowledge Space Theory (지식공간론을 활용한 천문학 개념의 위계 분석)

  • Yun, Ma-Byeong;Kim, Hui-Su;Lee, Hang-Ro
    • 한국지구과학회:학술대회논문집
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    • 2010.04a
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    • pp.31-31
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    • 2010
  • 고등학교 지구과학에서 다루는 천문학 개념의 위계를 밝히고, 그에 따른 교수-학습의 효과를 알아보기 위해 지식공간론을 활용하여 학습과제 속에서 내재되어 있는 학습자의 지식상태를 분석하였다. 고등학교 학생들의 천문학적 공간개념에 대한 구성 요인 간 위계는 '공간위치 $\rightarrow$ 공간추리 $\rightarrow$ 공간변화' 순이었다. 학습자의 천문학적 공간개념 점수가 같아도 개념의 구조화( 지식상태 )가 다르게 나타나는 경우가 있었다. 이는 학습자에 따라 개별화 학습의 처방이 달라져야 함을 시사한다. 천체관측 개념의 위계는 '지구운동 $\rightarrow$ 천구좌표계 $\rightarrow$ 천체관측( 망원경 원리 $\rightarrow$ 망원경 설치 $\rightarrow$ 망원경 관측 )' 순으로 분석되었으며 2007개정교육과정에서 제시하는 순서와는 차이가 있었다. 고등학생들의 천체관측 개념에 대한 지식상태 분석에서 개념의 구조화가 잘 이루어진 학생의 경우에는 하위 위계를 이루는 지구운동과 천구좌표계, 망원경 원리에 관한 문항을 잘 맞추었고, 상위 위계에 있는 망원경 설치와 관측 문항에서 정답률이 낮았다. 그러나 개념의 구조화가 덜 이루어진 학생의 지식상태는 하위 위계를 이루는 지구 운동 관련 문항에서 더 많이 틀렸고, 최상위 위계( 망원경 설치, 관측 )를 이루는 문항에 대한 정답률이 높았다. 지구과학I의 천체관측 단원에 대하여 학습자의 심리적 위계와 교과서의 논리 위계에 따라 학습과제를 제시하여 교수-학습한 결과, 개념의 형성률은 심리적 위계에 따라 수업한 경우가 유의미( p & .05 )하게 더 높았다.

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A Test of Hierarchical Model of Bilinguals Using Implicit and Explicit Memory Tasks (이중언어자의 위계모형 검증 : 암묵기억과제와 외현기억과제의 효과)

  • 김미라;정찬섭
    • Korean Journal of Cognitive Science
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    • v.9 no.1
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    • pp.47-60
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    • 1998
  • The study was designed to investigate implicit and explicit memory effec representations of bilinguals. Hierarchical model of bilingual information processing word naming and translation tasks in the context of semantically categorized or rar Experiments 1 and 2, bilinguals first viewed stimulus words and performed naming or tr then implicit and explicit memory tasks. In experiment I, word recognition times(exp were significantly faster for semantic category condition than random category condi naming task and lexical decision taskOmplicit memory task)showed no difference in e experiment 2, naming task and exlicit memory task showed categorization effect but fOWE a and implcit memory task showed no categorization effect. These findings support the which posits that memory representations of bilinguals are composed of two independer a and one common conceptual store.

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Analysis of Hierarchy for High School Students' Concepts about Genetics Through the Knowledge State Analysis Method (지식상태분석법을 이용한 고등학생의 유전관련 개념의 위계 분석)

  • Song, Ha-young;Kim, Youngshin
    • Journal of Science Education
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    • v.34 no.2
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    • pp.237-245
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    • 2010
  • The purpose of this study was to analyze hierarchy for high school students' concepts about genetics. The assessment of genetics related concept was conducted for 10th and 11th grade students and a hierarchy map was schematized based on the evaluation result using Knowledge State Analysis Method. Some differences were found when comparing the result of whole students' hierarchy with hierarchy on 7th national science education curriculum. In analyzing hierarchy by grade, concepts of highest and lowest level turned out same but some concepts of middle level changed. In case of analysis of hierarchy for concepts about genetics by score, as score was higher, the number of concept in lower level became larger and the relationship among concepts became more structurized. Following studies are required to develop specific teaching strategies for having effective genetics concept and conduct case study of applying the concept hierarchy through this method to class in the field.

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Factors of Tourism Destination Brand Equity and Verification for the Hierarchy of Effect (관광목적지 브랜드 자산의 구성요인과 효과위계 검증)

  • Lim, Myoung-Jae;Kim, Seok-Chool
    • The Journal of the Korea Contents Association
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    • v.9 no.2
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    • pp.365-372
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    • 2009
  • Brand equity of a tourist destination play a significant role in selecting a tourist destination because it is highly associated with its competitiveness. Nevertheless, a few research related to brand equity of a tourist destination has been conducted. Therefore, this study particularly focuses on the conceptualization work and deriving elements of brand equity of a tourist destination. One of the major research findings is that brand equity of a tourist destination comprises four elements including brand name awareness, perceived quality, brand associations and brand loyalty. In particular, brand loyalty turns out to be affected by other elements of brand equity, which verifies the hierarchy of effect among the elements of brand equity.

Using Multilevel Model for Evaluation on Community Support Program (다층모형을 활용한 상수원 관리지역 주민지원사업 평가에 관한 연구)

  • Kim, Dong Hyun;Jung, Juchul
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.31 no.3D
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    • pp.469-476
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    • 2011
  • The purposes of research is to understand the need of and the effectiveness of multilevel model to evaluate community support program in watershed areas. If the properties of policy target have hierarchical characteristics, the multilevel analysis is an adequate method to evaluate and test the effectiveness of policy. Also, the technique of multilevel modeling is extended to testing the relevance between performance appraisal and policy effectiveness. The case study of watershed region's community support program was estimated using satisfaction and economic aid level of policy target. This research has three results. First, the multilevel analysis should be used in nested data structure to estimate the effect of policy intervention. Second, the indexes of multilevel modeling should be used complementally to that of the traditional index approach. Third, the spatial hierarchical structure should be considered as the hierarchical structure in policy evaluation.

Knowledge Representation Characteristics of Categories and Scripts: An Investigation on Hierarchy and Typicality Effects (개념지식의 유형에 따른 표상차이: 범주와 각본의 위계성과 전형성 비교1))

  • 이재호;이정모
    • Korean Journal of Cognitive Science
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    • v.11 no.3_4
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    • pp.73-81
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    • 2000
  • This study was conducted to investigate some characteristics of representation of category knowledge and script knowledge. Using primed lexical decision task with higher level primers in the representation structure, Experiment 1 examined the interaction effects between knowledge type and concept typicality. It was found that the concept typicality has some effects in category representation, while it has no significant effect in script representation. In Experiment 2, primers of the lower hierarchy in the representation structure were employed. The results showed that the main effect of knowledge type was significant: the response time for category knowledge was faster than that for script knowledge. Typicality effect did not show in this experiment. The results of t the two experiments suggest that category knowledge is represented in hierarchy and typicality. while script knowledge may lack in that characteristics. Other aspects of the differences in characteristics of category- and script- knowledge representation were discussed,

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Qualitative Study on Local College Students' Perception of Entrepreneurship and Entrepreneurship Programs: Approach through Hierarchy of Effects Model (지방 대학생들의 창업 및 창업프로그램 인식에 관한 정성적 연구: 효과위계모형을 통한 접근)

  • Yun-Hee Jeong
    • Journal of Industrial Convergence
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    • v.21 no.12
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    • pp.1-10
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    • 2023
  • Along with the government's policy to encourage youth entrepreneurship, each university is making great efforts to promote entrepreneurship, and university entrepreneurship programs can be said to be the most important part of supporting and activating college students' entrepreneurship. In order to increase interest in and participation in entrepreneurship and entrepreneurship programs, it is necessary to take an in-depth look at students' perceptions of entrepreneurship and entrepreneurship programs. Therefore, this study used the effectiveness hierarchy model to explore the perceptions of college students at each stage and to identify bottleneck factors that hinder participation in entrepreneurship programs. For this purpose, focus group interviews and in-depth interviews were conducted using samples with different levels of interest and participation in entrepreneurship and entrepreneurship programs, and bottleneck factors at each stage of the effect hierarchy model were presented. The research results complement entrepreneurship research that was focused on quantitative research, and add important practical implications by approaching the study with a particular focus on local university cases.

An Analysis on Human Capital Externalities Using Hierarchical Linear Model (위계선형모형을 이용한 인적자본의 외부효과 분석)

  • Park, Jung-Ho;Lee, Hee-Yeon
    • Journal of the Economic Geographical Society of Korea
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    • v.12 no.4
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    • pp.627-644
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    • 2009
  • In the knowledge-based economy highlighting the importance of human capital, there has been a growing interest in human capital externalities as a fundamental engine of growth and development of a region. The purpose of this study is to analyze human capital externalities using 3-level hierarchical linear model(3-HLM), decomposing determinants of wages into three levels involving workers(level-1) nested within firms(level-2) nested within regions(level-3). This study separately estimates the effect of the average education level on the wages by three different schooling groups on the assumption that the intensity of knowledge spillovers varies with each group's schooling level. The main results are as follows; First, the coefficient of the average education level of a region shows 0.044, indicating that one-year increase in the average level of schooling could increase average individual earnings by 4.4%. Secondly, the external effects of human capital on three different schooling groups are considerably different, raising less than high school graduates' wages by 3.0%, college graduates' wages by 4.7%, and graduate schools' wages by 11.8%, respectively. Thirdly, well educated workers are much more sensitive to the variation of the regional education level than less educated ones when we apply the shares of each schooling group as alternative measures for the average level of education. Such findings of this study draw an implication that local governments could speed up regional economic growth in the knowledge-based economy by not only raising total human capital stock in a region but building the close networks that promote productivity-enhancing human capital external effects.

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Studying on parents' satisfactory factor to elementary school which their children go to. - focusing on Anyang city (위계적 선형모형을 이용한 초등학교 학부모의 자녀의 학교여건 만족도 영향 분석 - 안양시 사례)

  • Kim, Ho-Il;Chun, Heui-Ju
    • Journal of the Korean Data and Information Science Society
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    • v.21 no.6
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    • pp.1009-1020
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    • 2010
  • In this study, we applied a hierarchial linear model to Anyang city data because students and their schools are hierarchial data structure. As a result, main factors which affect parents' satisfaction to school which their children go to are parents' satisfaction to Anyang city's education policies and areas which their schools located at. We suggest based on the analysis by this hierarchial linear model that if Anyang city make educational policies more efficient and effective in order for students to study in public school without private education and if Anyang city improve environment related with school like those of new cities, parents' satisfaction to school which their children go to will be increased.