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Articles 61 - 90 of 109
Full-Text Articles in Education
The Debate About The Stern-Review And The Economics Of Climate Change, Michael H.G. Hoffmann
The Debate About The Stern-Review And The Economics Of Climate Change, Michael H.G. Hoffmann
Michael H.G. Hoffmann
This map is -- in a different form, with linked sub-maps -- also available online: http://tinyurl.com/y9jlsxv
Argument Visualization In The Political Arena: The Debate On Global Climate Engineering, Michael H.G. Hoffmann
Argument Visualization In The Political Arena: The Debate On Global Climate Engineering, Michael H.G. Hoffmann
Michael H.G. Hoffmann
A map that shows a certain point in a fictitious deliberation which is supposed to be ongoing and open-ended, driven by the motive of participants to support or to criticize any of the assumptions mapped out so far by further arguments. This map is mainly based on recent publications on geo-engineering
The Standardization Of Scientific Terminology And The Teaching Of The Natural Sciences In Nineteenth-Century Brazil: The Contribution Of Benjamin Ramiz Galvão [A Padronização Da Terminologia Científica E O Ensino Das Ciências Naturais No Brasil Oitocentista: A Contribuição De Benjamin Ramiz Galvão], Karl M. Lorenz
Karl M Lorenz
During the nineteenth century, and the first years of the twentieth century, science textbooks and science teaching in the faculties of medicine and engineering and in the secondary schools of Brazil were characterized by the lack of a standardized scientific terminology. The rules governing the orthography and prosody of many scientific terms in the life, physical and earth sciences were inconsistent. The paper examines this phenomenon and recounts the first significant attempt to standardize scientific terminology in the Portuguese language by the Brazilian philologist, Benjamin Franklin Ramiz Galvão.
Durante o século XIX e os primeiros anos do século XX os …
O Positivismo No Ensino De Ciências Naturais Na Escola Secundária Brasileira: 1890-1900 [Positivism And The Teaching Of The Natural Sciences In The Brazilian Secondary School: 1890-1900], Karl M. Lorenz
Karl M Lorenz
O trabalho analisa a influência do Positivismo no ensino de ciências no Ginásio Nacional, antigo Colégio de Pedro II, fundado em 1837 no Rio de Janeiro, como modelo para as instituições secundárias em todo o país. Com a proclamação da República em 1889, e a subsequente reforma educacional do Ministro Benjamin Constant em 1890, o currículo do colégio foi profundamente marcado pelas ideias positivistas de August Comte, e de modo particular, o ensino de Ciências. Uma análise dos programas de ensino cientifico adotados no referido Ginásio, de 1890 a 1900, demonstra que os mesmos foram organizados seguindo uma forma remanescente …
Idéias Educacionais Transnacionais E O Ensino Secundário Brasileiro: O Imperial Collégio De Pedro Ii Como Uma Versão Do Ensino Secundário Frances [Transnational Education Ideas And Brazilian Secondary Education: The Imperial College Pedro Ii As A Version Of The French Lycée], Karl M. Lorenz, Ariclê Vechia
Idéias Educacionais Transnacionais E O Ensino Secundário Brasileiro: O Imperial Collégio De Pedro Ii Como Uma Versão Do Ensino Secundário Frances [Transnational Education Ideas And Brazilian Secondary Education: The Imperial College Pedro Ii As A Version Of The French Lycée], Karl M. Lorenz, Ariclê Vechia
Karl M Lorenz
The paper discusses the adoption of French curriculum models and educational practices, from 1837 to 1889, by the College Pedro II, the premier secondary school of Brazil during the empire. The college was founded in Rio de Janeiro to attend to the children of the elite in the Municipality of the Court and to serve as a model institution for public and private secondary schools in the provinces.
O trabalho discute a adoção de modelos curriculares e de praticas educativas da França, de 1838 a 1889, pelo Colégio de Pedro II, a escola secundaria preeminente durante o Império. O colégio …
Approximate Solution Of Abel Integral Equation, Li Huang
Approximate Solution Of Abel Integral Equation, Li Huang
Li Huang
This paper presents a new, stable, approximate inversion of Abel integral equation. By using the Taylor expansion of the unknown function, Abel equation is approximately transformed to a system of linear equations for the unknown function together with its derivatives. A desired solution can be determined by solving the resulting system according to Cramer’s rule. This method gives a simple and closed form of approximate Abel inversion, which can be performed by symbolic computation. The nth-order approximation is exact for a polynomial of degree up to n. Abel integral equation is approximately expressed in terms of integrals of input data; …
Relatório Do Projeto: Os Livros Didáticos De Ciências Para O Ensino Secundário Brasileiro Do Século Xix [Project Report: Science Textbooks In Brazilian Secondary Education During The Nineteenth Century], Karl M. Lorenz
Karl M Lorenz
Este trabalho apresenta um sumario dos objetivos, metodologia, e resultados preliminares de uma projeto de pesquisa, iniciada em 2002, que identifica, descreve e contextualiza 32 textos escolares de ciência adotados no Colégio de Pedro II, a instituição secundário modelo no Brasil durante o século XIX.
The paper presents a summary of the objectives, methodology and preliminary results of a research project, initiated in 2002, that identifies, describes and contextualizes 32 science textbooks adopted in the College Pedro II, the model secondary institution in Brazil during the XIX century.
Facilitating Identity Formation, Group Membership, And Learning In Science Classrooms: What Can Be Learned From Out Of Field Teaching In An Urban School, Stacy Olitsky
Stacy Olitsky
This paper explores both the obstacles and the possibilities for students developing identities associated with science by engaging in solidarity-building classroom interactions. Data come from ethnographic research conducted in a diverse eighth-grade urban magnet school classroom in which the teacher taught out of field for part of the year. Contrary to expectations, more students participated and reported enjoying science when the teacher was out of field. Analysis of classroom interactions indicated that while in field, the teacher primarily engaged in “front stage” performances that hid her struggles with the material and accentuated students’ views of science as an elite status …
Promoting Student Engagement In Science: Interaction Rituals And The Pursuit Of A Community Of Practice, Stacy Olitsky
Promoting Student Engagement In Science: Interaction Rituals And The Pursuit Of A Community Of Practice, Stacy Olitsky
Stacy Olitsky
This study explores the relationship between interaction rituals, student engagement with science, and learning environments modeled on communities of practice based on an ethnographic study of an eighth grade urban magnet school classroom. It compares three interactional events in order to examine the classroom conditions and teacher practices that can foster successful interaction rituals (IRs), which are characterized by high levels of emotional energy, feelings of group membership, and sustained interest in the subject. Classroom conditions surrounding the emergence of successful IRs included mutual focus, familiar symbols and activity structures, the permissibility of some side-talk, and opportunities for physical and …
Identity, Interaction Ritual, And Students' Strategic Use Of Science Language, Stacy Olitsky
Identity, Interaction Ritual, And Students' Strategic Use Of Science Language, Stacy Olitsky
Stacy Olitsky
An important part of learning science is formulating ideas, debating explanations, and talking about science with others. Yet students may still avoid “talking science” in class even if they are familiar with the content knowledge. Drawing on data from an ethnographic study of an eighth-grade urban science classroom, I argue that students’ expressions of knowledge in science class can be considered a strategic move, or a choice, aimed at supporting identity claims and increasing the likelihood of engaging in successful interaction rituals characterized by entrainment and solidarity. The results of this study suggest that a student’s knowledge of the subject …
A New Abel Inversion By Means Of The Integrals Of An Input Function With Noise, Li Huang
A New Abel Inversion By Means Of The Integrals Of An Input Function With Noise, Li Huang
Li Huang
Abel’s integral equations arise inmany areas of natural science and engineering, particularly in plasma diagnostics. This paper proposes a new and effective approximation of the inversion of Abel transform. This algorithm can be simply implemented by symbolic computation, and moreover an nth-order approximation reduces to the exact solution when it is a polynomial in r2 of degree less than or equal to n. Approximate Abel inversion is expressed in terms of integrals of input measurement data; so the suggested approach is stable for experimental data with random noise. An error analysis of the approximation of Abel inversion is given. Finally, …
Learning From People, Things, And Signs, Michael H.G. Hoffmann
Learning From People, Things, And Signs, Michael H.G. Hoffmann
Michael H.G. Hoffmann
Starting from the observation that small children can count more objects than numbers—a phenomenon that I am calling the “lifeworld dependency of cognition”—and an analysis of finger calculation, the paper shows how learning can be explained as the development of cognitive systems. Parts of those systems are not only an individual's different forms of knowledge and cognitive abilities, but also other people, things, and signs. The paper argues that cognitive systems are first of all semiotic systems since they are dependent on signs and representations as mediators. The two main questions discussed here are how the external world constrains and …
The Complementarity Of A Representational And An Epistemological Function Of Signs In Scientific Activity, Michael H.G. Hoffmann, Wolff-Michael Roth
The Complementarity Of A Representational And An Epistemological Function Of Signs In Scientific Activity, Michael H.G. Hoffmann, Wolff-Michael Roth
Michael H.G. Hoffmann
Signs do not only “represent” something for somebody, as Peirce’s definition goes, but also “mediate” relations between us and our world, including ourselves, as has been elaborated by Vygotsky. We call the first the representational function of a sign and the second the epistemological function since in using signs we make distinctions, specify objects and relations, structure our observations, and organize societal and cognitive activity. The goal of this paper is, on the one hand, to develop a model in which both these functions appear as complementary and, on the other, to show that this complementarity is essential for the …
First Experiences With Object Lessons In Nineteenth-Century Brazil: Origins Of A Progressive Pedagogy For The Brazilian Primary School [Primeiras Experiências Com O Ensino Por Objetos No Brasil Oitocentista: Origens De Uma Pedagogia Progressiva Para A Escola Primaria Brasileira], Karl M. Lorenz, Ariclê Vechia
First Experiences With Object Lessons In Nineteenth-Century Brazil: Origins Of A Progressive Pedagogy For The Brazilian Primary School [Primeiras Experiências Com O Ensino Por Objetos No Brasil Oitocentista: Origens De Uma Pedagogia Progressiva Para A Escola Primaria Brasileira], Karl M. Lorenz, Ariclê Vechia
Karl M Lorenz
This paper describes the methodology of Object Teaching and relates how its appearance in Brazil was a transnational phenomenon that achieved its maximum articulation in 1886 with Rui Barbosa’s translation of Norman Calkins’ Primary Object Lessons. It begins with an overview of primary school teaching in Brazil in the second half of the 19th century, followed by discussion of Barbosa’s ideas on promoting change in the schools. Central to the exposition are the ideas contained in a report that Barbosa submitted to the National Assembly in 1882, in which he proposed a new organization of primary school education, suggestions for …
A Reforma Do Ensino De Ciências No Ensino Secundário Brasileiro Nas Décadas De 1960 E 1970 [Science Education Reform In Brazilian Secondary Schools In The 1960s And 1970s], Karl M. Lorenz
Karl M Lorenz
Na segunda metade do século dezoito, foi transplantado para o Brasil um paradigma que focalizava no processo da investigação científico no ensino das Ciências Naturais na escola secundária. O paradigma teve origem nos Estados Unidos em resposta às criticas internas referentes ao ensino secundário e aos acontecimentos internacionais. Inicialmente sustentado por subvenções estrangeiras, e mais tarde patrocinado pelo ministério da Educação, um movimento surgiu no Brasil que objetivava a produção e divulgação de materiais didáticos que incorporassem os princípios desse paradigma. Este trabalho descreve a trajetória do paradigma e do movimento reformista do ensino de Ciências, desde sua origem nos …
Corpus Data And The Teaching And Learning Of Science In English In Malaysian Primary And Secondary Schools, Arshad Abd Samad
Corpus Data And The Teaching And Learning Of Science In English In Malaysian Primary And Secondary Schools, Arshad Abd Samad
Arshad Abd Samad
The post independence Malaysian school system has gone through several curricular revisions not only in terms of content and subject matter but also in the medium of instruction used. In 1980, the national language, Malay, was adopted as the medium of instruction in schools in place of the English language. After more than twenty years of instruction in the national language, the medium of instruction for Science based subjects at the first year of primary and secondary schools in Malaysia has recently reverted to the English language. This has largely been due to increasing concern over perceived falling standards of …
Limits Of Truth: Exploring Epistemological Approaches To Argumentation, Michael H.G. Hoffmann
Limits Of Truth: Exploring Epistemological Approaches To Argumentation, Michael H.G. Hoffmann
Michael H.G. Hoffmann
Some proponents of epistemological approaches to argumentation (Biro, Siegel, Lumer, Goldman) assume that it should be possible to develop non-relative criteria of argument evaluation. By contrast, this paper argues that any evaluation of an argument depends (a) on the cognitive situation of the evaluator, (b) on background knowledge that is available for this evaluator in a certain situation, and (c)—in some cases—on the belief-value-system this person shares.
Logical Argument Mapping: A Method For Overcoming Cognitive Problems Of Conflict Management, Michael H.G. Hoffmann
Logical Argument Mapping: A Method For Overcoming Cognitive Problems Of Conflict Management, Michael H.G. Hoffmann
Michael H.G. Hoffmann
A crucial problem of conflict management is that whatever happens in negotiations will be interpreted and framed by stakeholders based on their different belief-value systems and world views. This problem will be discussed in the first part of this article as the main cognitive problem of conflict management. The second part develops a general semiotic solution of this problem, based on Charles Peirce's concept of "diagrammatic reasoning." The basic idea is that by representing one 's thought in diagrams, the conditions that determine interpretations can become visible, we can "experiment" with them, and we can change them eventually. The third …
Rui Barbosa And The Argument For Teaching The Natural Sciences In The Brazilian Primary School Of The Xix Century [Rui Barbosa E O Ensino De Ciências Naturais Na Escola Brasileira Do Século Xix], Karl M. Lorenz
Karl M Lorenz
The paper discusses the ideas of Rui Barbosa on the importance of teaching science in the primary schools of nineteenth-century Brazil. Barbosa was one of the great parliamentarians of his time and one of Brazil’s most vocal advocates of educational reform in the nineteenth century. In 1882 Barbosa was directed to provide a written assessment of the1878 educational reform of Minister Leonçio de Carvalho. In the document that resulted, Barbosa states his rationale for why and how the natural sciences should be taught in the primary school. This paper relates Barbosa’s ideas on science teaching and argues that he was …
Os Livros Didáticos De Matemática Na Escola Secundaria Brasileira No Século Xix [Mathematics Textbooks And Brazilian Secondary Education In The Xix Century], Karl M. Lorenz, Ariclê Vechia
Os Livros Didáticos De Matemática Na Escola Secundaria Brasileira No Século Xix [Mathematics Textbooks And Brazilian Secondary Education In The Xix Century], Karl M. Lorenz, Ariclê Vechia
Karl M Lorenz
O estudo identifica os livros didáticos de matemática utilizados no Colégio de Pedro II do Rio de Janeiro no século XIX, considerado "padrão" para seus congêneres. A partir de informações contidas nos programas de ensino adotados no Colégio de 1838 a 1900 e com auxílio da literatura especializada, foi possível identificar a autoria e o título de trinta e dois livros-texto, sendo a maioria deles escrita por autores brasileiros e um número menor escrito por autores franceses. Infere-se que houve equivalência entre os estudos de matemática do Colégio Pedro II e dos demais colégios do Rio de Janeiro e das …
O Collegio De Pedro Ii E A Modernização Do Currículo Da Escola Secundária Brasileira [The College Pedro Ii And The Modernization Of The Secondary School Curriculum In Brazil], Karl M. Lorenz
Karl M Lorenz
Este trabalho examine o papel do currículo do Colégio Pedro II na modernização do ensino secundário no Brasil de 1837 a 1889. O trabalho argumenta que o Governo Imperial seguia duas linhas de ação para alcançar este objetivo. Primeiro, introduziu no Colégio modelos curriculares e conteúdos nas disciplinas parecidos a aqueles encontrados nas melhores escolas Europeias. Segundo, implementou legislação que induzia as escolas secundárias a adotar o currículo do Colégio. Visto que a constituição proibiu que o Governo Central diretamente efetuasse mudanças nas escolas provinciais, o Corte agiu indiretamente por oferecer incentivos aos formados das instituições que adotaram o currículo …
How To Get It. Diagrammatic Reasoning As A Tool Of Knowledge Development And Its Pragmatic Dimension, Michael H.G. Hoffmann
How To Get It. Diagrammatic Reasoning As A Tool Of Knowledge Development And Its Pragmatic Dimension, Michael H.G. Hoffmann
Michael H.G. Hoffmann
Discussions concerning belief revision, theory development, and "creativity" in philosophy and AI, reveal a growing interest in Peirce's concept of abduction. Peirce introduced abduction in an attempt to provide theoretical dignity and clarification to the difficult problem of knowledge generation. He wrote that "An Abduction is Originary in respect to being the only kind of argument which starts a new idea." These discussions, however, have led to considerable debates about the precise way in which Peirce's abduction can be used to explain knowledge generation. The crucial question is that of understanding how we can get the new elements capable of …
Learning By Developing Knowledge Networks. A Semiotic Approach Within A Dialectical Framework, Michael H.G. Hoffmann, Wolf-Michael Roth
Learning By Developing Knowledge Networks. A Semiotic Approach Within A Dialectical Framework, Michael H.G. Hoffmann, Wolf-Michael Roth
Michael H.G. Hoffmann
A central challenge for research on how we should prepare students to manage crossing boundaries between different knowledge settings in life long learning processes is to identify those forms of knowledge that are particularly relevant here. In this paper, we develop by philosophical means the concept of a dialectical system as a general framework to describe the development of knowledge networks that mark the starting point for learning processes, and we use semiotics to discuss (a) the epistemological thesis that any cognitive access to our world of objects is mediated by signs and (b) diagrammatic reasoning and abduction as those …
The College Pedro Ii And The Modernization Of The Secondary School Curriculum In Imperial Brazil, Karl M. Lorenz
The College Pedro Ii And The Modernization Of The Secondary School Curriculum In Imperial Brazil, Karl M. Lorenz
Karl M Lorenz
This work examines the role of the curriculum of the College Pedro II to modernize secondary school education in Brazil from 1838 to 1889. It argues that the Imperial Government followed two lines of action in achieving this goal. First, the Court sought to make education in the College exemplary by continuously introducing curriculum models and course content similar to that found in the best schools in Europe. Second, it enacted legislation that induced schools to adopt the program of studies of the College. Because the constitution prohibited the Central Government from directly effecting change in provincial schools, the Court …
O Ensino De Ciências E O Imperial Collegio Pedro Ii: 1838-1889 [Science Education And The Imperial College Pedro Ii: 1838-1889], Karl M. Lorenz
O Ensino De Ciências E O Imperial Collegio Pedro Ii: 1838-1889 [Science Education And The Imperial College Pedro Ii: 1838-1889], Karl M. Lorenz
Karl M Lorenz
Este capitulo discorre sobre o ensino de Ciências na escola secundaria brasileira, enfocando o Colégio Pedro II. O colégio imperial foi estabelecido em 1837 como modelo a ser seguido pelas escolas secundarias publicas e particulares nas províncias. O trabalho apresenta observações e dados sobre o ensino das Ciências ao nível nacional e uma descrição do ensino de Ciências no Colégio durante o século XIX. É discutido o currículo, os livros didáticos de ciências adotados no programa, e a relação entre o ensino secundário de Ciências e os exames preparatórios para as faculdades de medicina, direito e engenharia.
The chapter discusses …
Science Education And The Imperial College Pedro Ii: 1838-1889, Karl M. Lorenz
Science Education And The Imperial College Pedro Ii: 1838-1889, Karl M. Lorenz
Karl M Lorenz
The chapter discusses science teaching in the secondary school in Brazil, with a focus on the College Pedro II. The imperial College was founded in 1837 as a model institution to be emulated by public and private secondary schools in the provinces. The paper presents observations and data on science education at the national level and a description of science teaching in the College during the XIX century. Attention is given to the curriculum, the textbooks adopted in the science courses, and the relationship between secondary science education and the entrance examinations to the medical, law and engineering faculties. Este …
De Asilo De Órfãos A Colégio Das Elites: A Gênese E A Trajetória Do Imperial Collegio De Pedro Ii [From Orphanage To An Elite College: The Origin And Trajectory Of The Imperial College Pedro Ii], Karl M. Lorenz, Ariclê Vechia
De Asilo De Órfãos A Colégio Das Elites: A Gênese E A Trajetória Do Imperial Collegio De Pedro Ii [From Orphanage To An Elite College: The Origin And Trajectory Of The Imperial College Pedro Ii], Karl M. Lorenz, Ariclê Vechia
Karl M Lorenz
O trabalho relata a transformação do Colégio dos Órfãos de São Pedro, fundado em 1739, no Seminário de São Joaquim em 1766, e finalmente no Imperial Colégio de Pedro II. O Imperial Colégio foi estabelecido em 1837 para atender aos filhos das elites de Rio de Janeiro e servir como modelo para as instituições congêneres no Império.
The paper recounts the transformation of the College of the Orphans of São Pedro, founded in 1739, into the Seminary of São Joaquim in 1766, and finally into the College Pedro II. The imperial College was created in 1837 to attend to the …
Peirce's "Diagrammatic Reasoning" As A Solution Of The Learning Paradox, Michael H.G. Hoffmann
Peirce's "Diagrammatic Reasoning" As A Solution Of The Learning Paradox, Michael H.G. Hoffmann
Michael H.G. Hoffmann
How can we reach “new” levels of knowledge if “new” means that there is something “evolved” that cannot be generated simply by deduction or by induction from what has been given before. The paper’s first goal is to show that two paradigmatic attempts at solving this so-called “learning paradox,” Plato’s apriorism and Aristotle’s inductivism, form two horns of a dilemma: While the inductivist cannot justify any representation of data without assuming a priori given hypotheses, the apriorist cannot justify why a certain application of given ideas is correct without being caught in an infinite regress. The second goal is to …
Lernende Lernen Abduktiv: Eine Methodologie Kreativen Denkens, Michael H.G. Hoffmann
Lernende Lernen Abduktiv: Eine Methodologie Kreativen Denkens, Michael H.G. Hoffmann
Michael H.G. Hoffmann
No abstract provided.
Die Paradoxie Des Lernens Und Ein Semiotischer Ansatz Zu Ihrer Auflösung, Michael H.G. Hoffmann
Die Paradoxie Des Lernens Und Ein Semiotischer Ansatz Zu Ihrer Auflösung, Michael H.G. Hoffmann
Michael H.G. Hoffmann
No abstract provided.