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本 硏究의 目的은 第5次 敎育課程에 의하여 編□된 8종의 現行 人文系 高等學校 數學II(上)敎科書의 行列 單元을 6개의 項目으로 分類하여 比較 分析함으로써 一線 敎育現場의 數學科 學習指導에 도움을 주고자 硏究를 시작하였다. 1. 單元 展開 過程의 比較 分析 2. 行列 單元의 指導 內容 分析 3. 行列 單元의 面數 配當 分析 4. 問題의 配定 分析 5. 使用 用語의 定義 分析 6. 單元에 紹介된 數學者의 分析 위의 分析 結果를 考慮하여 各 敎科書의 特徵을 정확히 파악한 후 適切한 學習指導에 活用하기를 바란다.
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한국 음주운전사범의 인지된 처벌억제효과 분석 : 인과관계 분석
김병배 경기대학교 일반대학원 2010 국내석사
Deterrence theory states that the threat of punishment deters people from committing crimes. The more severe and more certain the punishment, the less likely people are to engage in criminal behaviors. An Individual level or a perceptual level research, however, did not show any consistent effects of perceived criminal punishment threats on criminal behaviors. One of the probable reasons for these mixed results of sanction perception is that it suffered from a number of methodological problems. This study tried to narrow the gap among previous studies, solving the two major methodological caveats: Using college students rather than offenders as research samples, and not adequately addressing the causal relationship among key variables in spite of the explicit causal paths that traditional deterrence theory posited. The study will use an integrated conceptual framework combining the reconceptualized deterrence model by Stafford and Warr (1993) and the social learning perspective (Akers 1998; Lanza-Kaduce 1988) as the theoretical background, and a path analysis as a main statistical method to establish a causal relationship. Finally, data from 392 DUI or traffic-related offenders from the Republic of Korea will be used for this research. Main research questions of this thesis have been twofold: 1) to examine the direct effects of the prior DUI offending behavior and the DUI punishment experiences both personal and vicarious on the certainty of punishment, favorable attitudes toward DUI, and future intentions to DUI, respectively; and 2) to explore the causal relationship among key variables. including testing mediation effects of the certainty of punishment as well as favorable attitudes on respondents' intention to DUI. Regarding the direct effects on the certainty of punishment, the punishment experience was statistically significant in a direction that increases the certainty of punishment. Prior DUI experience lowered the perceived chance of getting caught. Vicarious punishment experience, however, was not related to the certainty of punishment. As to the direct effects on favorable attitudes toward DUI, all the independent variables affected favorable attitudes in a positive way, except for the certainty of punishment. The analysis of the effects on intentions to DUI provided that the prior offending and favorable attitudes were robust predictors of subsequent intentions to DUI ; however, the prior punishment experience and the certainty of punishment were not significantly related to intentions to DUI. In addition, the prior vicarious punishment did not reduce, but, rather, enhanced intentions to DUI. In relation to developing a causal model, the prior offending experience had both a statistically significant direct and indirect effect, which operated through the certainty of punishment as well as favorable attitudes on intentions to DUI. The prior punishment variable also contributed to intentions to DUI, through the certainty of punishment and favorable attitudes, even though the size of effects were near zero. The vicarious punishment experience exerted only direct effect on intentions to DUI. Turning to the effects of mediation variables, the certainty of punishment did not mediate the effects of exogenous variables that directly influence intentions to DUI. Rather, the effects of certainty of punishment occurred through the favorable attitudes variable, and the effect was negative and weak. However, in contrast, the effects of favorable attitudes on intentions to DUI were positive and strong. Moreover, it mediated the effects of other main variables, thus demonstrating that favorable attitudes worked as a key mechanism in this research model. Finally, a summary and a discussion of the results, followed by policy implications, and suggestions for future research were presented.
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Complex structures, duality and super W-algebra in extended superspace
김병배 State Univ. of New York at Stony Brook 1994 해외박사
Supersymmetric sigma 모델에서의 dual 모델을 찾고 그에 대응하는 복소구 조를 찾음. N=(2,2) 시스템의 경우에 좌우 복소구조의 Commutator의 Kernel 에 수직방향의 공간이 항상 integrable 함을 보임으로써 Kernel이 chiral 그 리고 twisted chiral superfield 좌표로 parametrized 됨을 증명함. 그 예로 서 SU(2)×SU(2) 경우를 생각하여 그 dual Space로 얻어지는 SU(2)×U(1) WZW 모델의 새로운 N=2 Superspace formulation을 찾음. We study many roles of duality transformations in supersymmetric sigma models. We begin in chapter 1 with supersymmetry and sigma models, and explain the implication of holonomy and complex structures of the target manifold by demanding extra supersymmetries on the sigma models. We also deal with supersymmetric sigma models with torsion, and by using not only chiral but also twisted chiral superfields we describe superspace actions leading to (gen-eralized) geometries. In chapter 2 we do duality transformations firstly in the bosonic case and then on supersymmetric sigma models. We derive that the (generalized) Kahler potential can be given as the Legendre transform of the original Kahler po-tential. In chapter 3 we review briefly the mathematical approach to duality transfor-mations. Out of any hyperkahler manifold one can construct the twistor space of it, and theorem 3.2 says that the also true, i.e., under suitable conditions the parameter space of the real twistor lines in the twistor space is the hyperkahler manifold. In chapter 4 we show that when there are n commuting triholomorphic isome-tries on a hyperkahler manifold APn, we can have a new real structure, and the parameter space of the new real twistor lines is a new hyperk%hler mani-fold. We invert theorem 3.2 by performing the Legendre transformation and get the Kahler potential of the new manifold. In chapter 5, we find the complex structure on the dual of a complex target space. For N = (2,2) systems, we prove that the space orthogonal to the kernel of the commutator of the left and right complex structures is alzvays integrable, and hence the kernel is parametrized by chiral and twisted chiral superfield coordinates. We then analyze the particular case of SU(2) x SU(2), and are led to a new N = 2 superspace formulation of the SU(2) x U(1) WZW-model. In chapter 6 we review the relations between the holonomy group of the man-ifold and covariantly constant forms, which are the generators of the super W-algebra on the supersymmetric sigma model. Via duality transformations we produce new covariantly constant forms on the (dual) target manifolds. In general the new manifold will have torsion and these covariantly constant forms will help us understand the holonomy group of the new manifold whose connection has torsion. In chapter 7 we study the nonlinear multiplet as a gauge multiplet and describe its dynamics and also get the component form of the Lagrangian.
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