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- 저자 : Jho, Eun Hea (검색결과 811 건)
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고등학교 사회과 다문화 수업 프로그램이 학생들의 간문화적 태도에 미치는 영향 연구
조대훈(Daehoon Jho),이주영(Jooyoung Lee) 성신여자대학교 교육문제연구소 2011 교육연구 Vol.52 No.-
본 연구의 목적은 고등학교 방과후 다문화 수업 프로그램이 학생들의 다문화적 태도, 특히 간문화적 감수성(Intercultural Sensitivity)에 대해 가지는 영향을 분석하는 것이다. 이를 위해 연구자는 10시간 분량의 다문화 수업 프로그램을 설계하였다. 그리고 이 다문화 수업 프로그램을 다문화교육에 관심을 가진 서울 소재 사립 고등학교 사회과 교사의 도움을 얻어 개설한 ‘다문화사회 이야기’라는 방과 후 수업에 적용하였다. 연구자가 개발한 다문화 수업 프로그램이 학생들의 간문화적 태도에 변화를 가져왔는지 알아보기 위해 Hammer, Bennett & Wiseman(2003)의 ‘간문화적 발달 측정 척도(Intercultural Development Inventory, IDI)에 기초한 설문 조사를 실시하였다. 설문 자료 분석 결과, 본 연구에 포함된 간문화적 감수성의 하위 영역 4개 중에서 부정/방어(Denial/Defense), 최소화(Minimization) 및 수용/적응(Acceptance/Adaptation)의 3개 영역에서 통계적으로 유의미한 차이가 발견되었다. 이와 같은 결과는 연구자의 다문화 교육 수업 프로그램이 학생들의 다문화적 태도에 긍정적인 변화를 가져온다는 점을 보여줌과 동시에, 현행 사회과 교육과정에 적용가능한 다문화 교육과정의 내용과 방법의 개발에 긍정적인 시사점을 제공하고 있다. The purpose of this study is to examine the effects of the after-school multicultural lesson, “The Tales of A Multicultural Society” on students’ intercultural sensitivity. Based on the pedagogical model of multicultural education developed by Jho & Park (2009), “the Tales of A Multicultural Society” consisted of 10 instructional lessons (50 minutes per each) and was implemented in a local private girls’ high school in Seoul. The researchers monitored the entire lessons and conducted in-depth interviews with selective students. Then, in order to measure students’ intercultural attitudinal change, the Intercultural Development Inventory (IDI) survey of 50 items were administered to 40 students twice, on the first day of the course and 4 weeks after the completion of the course. In sum, the study found that overall the multicultural education course the researchers designed had a statistically positive impact on students’ intercultural sensitivity. The findings of the study request for further research and continuous investment on developing multicultural pedagogical knowledge and strategies.
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Topological Fermi-liquid theory for interacting Weyl metals with time reversal symmetry breaking
Jho, Yong-Soo,Han, Jae-Ho,Kim, Ki-Seok American Physical Society 2017 Physical Review B Vol.95 No.20
<P>Introducing both the Berry curvature and the chiral anomaly into Landau's Fermi-liquid theory, we construct a topological Fermi-liquid theory, applicable to interacting Weyl metals in the absence of time reversal symmetry. Following the Landau's Fermi-liquid theory, we obtain an effective free-energy functional in terms of the density field of chiral fermions, where the band structure is modified, involved with an emergent magnetic dipole moment due to the Berry curvature. The density field of chiral fermions is determined by a self-consistent equation, minimizing the effective free-energy functional with respect to the order-parameter field. Beyond these thermodynamic properties, we construct a Boltzmann transport theory to encode both the Berry curvature and the chiral anomaly in the presence of forward scattering of a Fermi-liquid state, essential for understanding dynamic correlations in interacting Weyl metals. This generalizes the Boltzmann transport theory for the Landau's Fermi-liquid state in the respect of incorporating the topological structure and extends that for noninteracting Weyl metals in the sense of introducing the forward scattering. Finally, we justify this topological Fermi-liquid theory, generalizing the first-quantization description for noninteracting Weyl metals into the second-quantization representation for interacting Weyl metals. First, we introduce a topological Fermi-gas theory, integrating over high-energy electronic degrees of freedom deep inside a pair of chiral Fermi surfaces. As a result, we reproduce a topologically modified Drude model with both the Berry curvature and the chiral anomaly, given by the first-quantization description. Second, we take into account interactions between such low-energy chiral fermions on the pair of chiral Fermi surfaces. Following the Landau's Fermi-liquid theory, we perform the renormalization group analysis. We find that only forward scattering turns out to be marginal above possible superconducting transition temperatures, justifying the topological Fermi-liquid theory of interacting Weyl metals with time reversal symmetry breaking. The topological Fermi-liquid theory serves a theoretical platform for us to investigate the role of Fermi-liquid interactions in anomalous transport phenomena of interacting Weyl metals such as anomalous Hall effects, chiral magnetic and vortical effects, and negative longitudinal magnetoresistivity properties. In addition, it allows us to study how thermodynamic properties such as the Wilson's ratio and spectra of collective excitations such as zero sound modes in the Landau's Fermi-liquid state are modified due to the Berry curvature and the chiral anomaly.</P>
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Monte Carlo Simulations of Tau Proteins: Effect of Phosphorylation
Jho, Y.S.,Zhulina, E.B.,Kim, M.W.,Pincus, P.A. Elsevier 2010 Biophysical journal Vol.99 No.8
<P><B>Abstract</B></P><P>We perform Monte Carlo simulations of tau proteins bound to a cylinder that mimics a microtubule (MT), and then study them in solution. Tau protein binds to a highly anionic MT surface to stabilize the cylindrical structure of MT. The negatively charged tail domain floats away from the anionic MT surface while positively charged tau segments localize near the MT surface. Monte Carlo simulations demonstrate that, in 3RS tau isoform (which has three imperfect repeats (R) short (S) isoform), amino acids are more condensed near a highly charged interface compared to 4RL isoform (which has four imperfect repeats (R) long (L) isoform). In 4RL isoform, amino acids in tail domain stay mostly apart from the MT surface. In the bulk solution, dephosphorylated taus are separated due to Coulomb repulsion between similarly charged isoforms. Moderate phosphorylation of 3RS isoform decreases average intermolecular distance between dephosphorylated and phosphorylated taus and lead to their overlap. Further phosphorylation does not change noticeably the intermolecular distances.</P>
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Interaction between two inhomogeneously charged parallel surfaces in the strong coupling regime.
Jho, Y S,Park, G,Chang, C S,Pincus, P,Kim, M W Published by the American Physical Society through 2006 Physical review. E, Statistical, nonlinear, and so Vol.73 No.2
<P>The counterion density profile and pressure between two inhomogenously charged parallel plates are analyzed analytically and numerically in the strong-coupling regime. Point charges are used and the surface charges are immobile. It is found that when the surface charge distribution is inhomogeneous, the charge coupling effect becomes stronger, the counterion spatial distribution is more localized toward the plate surfaces, and, thus, the pressure between two plates becomes lower than in the case when the surface charge distribution is homogeneous.</P>
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