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韓国語母語話者を対象にしたピア·ラーニングにおけるペアおよびグループ内の問題の実態と学習者意識
石塚健(Ishizuka Ken) 동북아시아문화학회 2016 동북아 문화연구 Vol.1 No.48
Peer learning that focuses on writing and reading has been introduced in Japanese education and implemented in various learning environments. Through various studies, the method has proved its effectiveness on learning and is now widely used and accepted. Peer learning has several pros so is recognized as a learning concept that should be adopted in many areas, not only in English and Japanese education. However, it does not mean that peer learning does not have issues. Issues related to cooperative learning since peer learning was first introduced in Japanese education are still unresolved. Even though successful examples have been introduced in actual practice, the method does not necessarily proceed ideally in the classroom. Studies so far have dealt with some problems in peer learning. However, most of them are limited to speculation from teachers, but only a few are from learners’ perspectives, who are the principle actors in learning. Attention has not been drawn to the state of mind of actual learners, the kinds of problems that occur in peer learning, the quality of effort learners put in, and what measures have been taken to solve these problems. Qualitative research is required to identify in detail the real conditions of peer learning. Therefore, through an interview survey, the kinds of specific problems that occur have been analyzed. Also, research has been conducted into the kinds of effort learners put in to overcome issues when they arise. At the same time, Ishizuka(2016)’s questionnaire survey was conducted for the purposes of confirmation and review. The results of the questionnaire survey were almost the same as those of Ishizuka(2016). However, problems in learner pairs and groups remain unresolved. In the interview, advanced learners and beginners generally gave different answers. Learners pointed to willingness to participate and differences in the language levels of partners or group members as the most difficult hurdles. When forming groups, teachers need to consider intimacy between participants as well as an appropriate balance in language skills between learners. As a result of this questionnaire survey, problems associated with peer learning that learners experience and the real mindset of students have become specific and clear. Peer learning assessment has stood out as a task to be completed, but I aim to find an effective way to improve this teaching method through actual research.
Proton-Coupled Electron Shuttling in a Covalently Linked Ruthenium–Copper Heterodinuclear Complex
Ishizuka, Tomoya,Tobita, Kengo,Yano, Yuichi,Shiota, Yoshihito,Yoshizawa, Kazunari,Fukuzumi, Shunichi,Kojima, Takahiko American Chemical Society 2011 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.133 No.46
<P>A heterodinuclear complex based on a Ru<SUP>II</SUP>–TPA [TPA = tris(2-pyridylmethyl)amine] complex having a peripheral Cu<SUP>II</SUP>(bpy)<SUB>2</SUB> (bpy = 2,2′-bipyridine) group bonded through an amide linkage displayed reversible intramolecular electron transfer between the Ru and Cu complex units that can be controlled by protonation and deprotonation of the bridging amide moiety.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2011/jacsat.2011.133.issue-46/ja208141b/production/images/medium/ja-2011-08141b_0004.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja208141b'>ACS Electronic Supporting Info</A></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja208141b'>ACS Electronic Supporting Info</A></P>
Symbolic and Numeric DAE Approach for Dynamical System Simulation
Shinichi Ishizuka 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
The plant model is usually modeled to ODE formulation, and simulated numerically ODE solver. But many real world plant models are naturally expressed to DAE formulation thatmeans simultaneous equation of differential equation and algebraic equation. To solve DAE, we will introduce INDEX concept that means like metric form DAE to ODE. Reducing technique form high-INDEX to INDEX-1 is important, because INDEX-1 solver has already developed. In this paper, we would like to express summary of DAE problem and INDEX reduction method, and benchmark simple example to show that DAE solving technology is important about plant modeling and simulation.