Made available in DSpace on 2016-04-27T16:59:05Z (GMT). No. of bitstreams: 1 Claudio Monteiro Veras.pdf: 4249073 bytes, checksum: 41c68af8035f40748c3fa29064cd929b (MD5) Previous issue date: 2010-06-01 / Secretaria da Educação do Estado de São Paulo / The objective of this research is to investigate the comprehension of a group of classroom teachers in a collaborative group, they teach math in early grades, in relation to the activities of Statistics, considering praxeological organization and specifically the understandings that these teachers have in relation to construction and reading graphs and tables into consideration the levels proposed by Curcio and Wainer. In order to answer the following research question "What are the contributions that training within a collaborative group, brings to the formation of a group of classroom teachers?" We develop a survey, which had 16 primary school teachers attended a collaborative group. The data were collected in five meetings, in which four issues were worked out-situations involving reading and constructing graphs and tables and a meeting of a questionnaire to final diagnoses as our training in the collaborative group. This analysis showed a significant performance by these teachers with regard to reading and constructing graphs and tables, according to the levels proposed by Curcio and Wainer, thereby verified that the group collaboration was effective for the formation of this group of teachers / O objetivo desta pesquisa é investigar a compreensão de um grupo de professores polivalentes em um grupo colaborativo, que ensinam matemática nas séries iniciais, em relação às atividades de Estatística, considerando a Organização Praxeológica e especificamente as compreensões que esses professores apresentam em relação à construção e leitura de gráficos e tabelas considerando os níveis propostos por Curcio e Wainer. Com a finalidade de responder a seguinte questão de pesquisa Quais as contribuições que uma formação, dentro de um grupo colaborativo, traz para a formação de um grupo de professores polivalentes? Para tanto, desenvolvemos uma pesquisa, na qual contou com 16 professores polivalentes na qual participaram de um grupo colaborativo. Os dados coletados foram em cinco encontros, na qual quatro foram trabalhados situações-problemas envolvendo leitura e construção de gráficos e tabelas e um encontro aplicação de um questionário final para diagnosticar como foi nossa formação no grupo colaborativo. Essa análise mostrou um desempenho significativo por parte desses professores no que diz respeito à leitura e construção de gráficos e tabelas, segundo os níveis propostos por Curcio e Wainer, desse modo verificamos que o grupo colaborativo foi eficiente para a formação desse grupo de professores

Made available in DSpace on 2016-04-27T16:59:01Z (GMT). No. of bitstreams: 1 Silvana Pereira.pdf: 9940886 bytes, checksum: 6c3c9c68b3eec7bb8eb38411440743b7 (MD5) Previous issue date: 2009-10-21 / Secretaria da Educação do Estado de São Paulo / The purpose of this study was to investigate the progress and limitations of an educational intervention in the 6th year of elementary school to a public school in the State of São Paulo, in order to answer the following research question: "What are the advances and limitations that an educational intervention for students in 6th grade of elementary school with a view to appropriate reading and interpreting graphs and tables? We've developed a research interventionist nature, which was attended by two groups: an experimental group - EG with 35 students, through the intervention of education and the application of two diagnostic tests, and the other was the control group - CG, also with 35 students, which were applied to diagnostic tests, both formed by students in the 6th grade of elementary school. The theoretical framework of this research relied on studies Wainer (1992) for the tables were also used studies Curcio (1989) on understanding graphics, and the Theory of Semiotics Records Offices of Duval (1992). The data collected through the diagnostic tests were analyzed in light of those theories. And this analysis showed us a significant performance by students of GE in the post-test. The results were analyzed qualitatively and quantitatively and allowed us to infer that the teaching intervention was effective in its purpose of promoting learning / O objetivo desta pesquisa foi investigar os avanços e limitações de uma intervenção de ensino no 6º ano do Ensino Fundamental de uma escola da Rede Pública do Estado de São Paulo, com a finalidade de responder a seguinte questão de pesquisa: Quais os avanços e limitações que uma intervenção de ensino para alunos do 6º ano do Ensino Fundamental com vistas à apropriação de leitura e interpretação de gráficos e tabelas? Para tanto, desenvolvemos uma pesquisa com caráter intervencionista, a qual contou com dois grupos: um grupo experimental GE com 35 alunos, passando pela intervenção de ensino e a aplicação de dois testes diagnósticos, e o outro foi o grupo controle GC, também com 35 alunos, no qual foram aplicados os testes diagnósticos, ambos formados por alunos do 6º ano do Ensino Fundamental. O quadro teórico dessa pesquisa contou com os estudos de Wainer (1992) referentes às tabelas, também foram utilizados os estudos de Curcio (1989) sobre compreensão gráfica, e a Teoria de Registros de Representações Semióticas de Duval (1992). Os dados coletados por intermédio dos testes diagnósticos realizados foram analisados a luz dessas mesmas teorias. E essa análise mostrou-nos um desempenho significativo por parte dos alunos do GE no pós-teste. Os resultados, analisados qualitativa e quantitativamente nos permitiram inferir que a intervenção de ensino foi eficaz no seu propósito de promover a aprendizagem. O destaque positivo da intervenção ficou por conta das questões relacionadas ao nível avançado, tanto na leitura e interpretação de tabelas quanto nos gráficos, cujos resultados foram significativos e superiores aos obtidos no nível intermediário

Made available in DSpace on 2016-04-27T16:57:05Z (GMT). No. of bitstreams: 1 Maria do Carmo da Silva Rodrigues Miranda.pdf: 4466440 bytes, checksum: 78da9e3297c73fa1710f24e092943e46 (MD5) Previous issue date: 2011-05-13 / Secretaria da Educação do Estado de São Paulo / This study aimed to determine how to develop a Hypothetical Learning Trajectory (HLT), according to constructivist perspectives, considering the reading and interpreting of figures, charts and measures of mean, median and mode. Thus, It was analyzed the performance of the mathematics teachers in relation to the planning and development of a hypothetical learning trajectory, consistent with the constructivist perspective of learning. For the theoretical background, it was used the theory of Simon (1995), because it defends the formulation of models of teaching based on a constructivist perspective. The study is part of a research project entitled "Construction of Hypothetical Learning Trajectories and Implementation of Curriculum Innovation in Mathematics Teaching in High School." In order to answer the research questions, It was carried out a qualitative study, with the participation of three teachers under cooperation of the State of São Paulo and 90 students of the 3rd Grade of high school. The (HLT) was established by the researcher based on the results of researches conducted about reading and interpreting graphs and statistical charts, measures of mean, median and mode which includes tasks, containing charts of gross data, problem-situations, graphics representations and tasks involved in exploratory data analysis. Supported by the results found, we inferred that the use of research results contributes to the planning of teaching and learning situations, however, it is necessary to review how they could reach the teachers. It is considered that, despite the use of (HLT) be relevant and truly important as a reference point for planning teaching activities; its development is a difficult task within the framework of a learning process, according to the assumptions of a constructivist perspective. In addition to, it was noticed that only the (HLT) is not enough to happen a meaningful learning / Este estudo teve como objetivo verificar como desenvolver uma trajetória hipotética de aprendizagem (THA), de acordo com as perspectivas construtivistas, contemplando a leitura e a interpretação de gráficos, tabelas e medidas de média, moda e mediana. Assim, analisou-se a atuação do professor de Matemática, no que se refere ao planejamento e desenvolvimento de uma trajetória hipotética de aprendizagem, de forma compatível com a perspectiva construtivista de aprendizagem. Para a fundamentação teórica, a teoria de Simon (1995) foi usada, pois defende a formulação de modelos de ensino, baseados em uma perspectiva construtivista. O estudo faz parte de um projeto de pesquisa denominado Construção de Trajetórias Hipotéticas de Aprendizagem e Implementação de Inovações Curriculares em Matemática no Ensino Médio . Com a finalidade de responder às questões de pesquisa, realizou-se um estudo de natureza qualitativa, contando com a participação de três professores em regime de colaboração da rede pública do Estado de São Paulo e 90 alunos da 3.ª série do Ensino Médio. A THA foi elaborada pela pesquisadora com base nos resultados de pesquisas já realizadas sobre leitura e interpretação de gráficos e tabelas estatísticas, medidas de média, moda e mediana que contemplam tarefas, contendo tabelas de dados brutos, situações-problema, representações gráficas e tarefas que envolveram a análise exploratória dos dados. Apoiada nos resultados obtidos, inferiu-se, que o uso dos resultados de pesquisa contribui de forma relevante para o planejamento de situações de ensino e aprendizagem, porém, é necessário rever como estas poderão chegar aos professores. Considera-se que, apesar do uso das THAs ser relevantes e servir realmente de ponto de referência para o planejamento das atividades de ensino, sua elaboração é uma tarefa difícil dentro do âmbito de uma aprendizagem, segundo os pressupostos de uma perspectiva construtivista. Ressalta-se ainda que apenas a THA não é suficiente, para que ocorra uma aprendizagem significativa

Made available in DSpace on 2016-04-27T17:12:58Z (GMT). No. of bitstreams: 1 Leticia de Castro Araujo.pdf: 1350079 bytes, checksum: e53936b39991f19e6a9fa7bcc7bd3029 (MD5) Previous issue date: 2007-05-09 / Made available in DSpace on 2016-08-25T17:25:38Z (GMT). No. of bitstreams: 2 Leticia de Castro Araujo.pdf.jpg: 2104 bytes, checksum: c4715912a635b5fbde63d2a9b070733f (MD5) Leticia de Castro Araujo.pdf: 1350079 bytes, checksum: e53936b39991f19e6a9fa7bcc7bd3029 (MD5) Previous issue date: 2007-05-09 / Secretaria da Educação do Estado de São Paulo / I summarize starting from 1997 the Statistics teaching was included by the Parameters National Curriculares as one of the blocks of mathematical content to be taught in the initial series of the elementary school. To they analyze the grating curricular of some courses of Pedagogy; some researchers alerted for the scarce time in that the disciplines related to the Statististics are worked. In that way, the teacher s qualification is committed for the appearance of gaps in his formation that they impede him of understanding his role in the construction of that knowledge. However, the teacher needs to face some challenges to help the students in the construction of the knowledge in relation to the Statistics. The tables and graphs, mainly with respect to the extrapolation starting of the tendency of data. Another great challenge concerns the introduction of the concepts as average, modal value, medium, in such a way that these are not restricted to the use of the algorithm to calculate them, but that are to worked with meaning starting from situations that make sense for the students and justify their calculations. The objective of this work is the starting from a test diagnosis, to investigate which are the conceptions and competences of a group of educator relates to the reading and interpretation of tables and graphs. The test was divided in objective and dissertativas, and in the first category we will analyze the teacher s conception regarding the theme, when locating characteristics starting from numeric data in tables and graphs, as well as, if x necessary, to formalize calculations: and in second, the competences, that is, which strategies used by him that you will help him to justify their answers. To we wake into account the results obtained in our research, we conclude that the formation of those teaches raising for experiences shared by the friends which is not linked necessarily to academic banks, but it plays fundamental part in the conception and the teacher s competence on learning and teaching of the Mathematics / A partir de 1997 o Tratamento da Informação foi incluído pelos Parâmetros Curriculares Nacionais como um dos blocos de conteúdo matemático a ser ensinado nas séries iniciais do Ensino Fundamental. Ao analisarem as grades curriculares de alguns cursos de Pedagogia, alguns pesquisadores alertaram para o tempo escasso em que as disciplinas relacionadas à Estatística são trabalhadas. Dessa forma, a qualificação do Professor polivalente ou pedagogo fica comprometida pelo surgimento de lacunas em sua formação que o impedem de compreender o seu papel na construção desse conhecimento. Entretanto, o professor precisa enfrentar alguns desafios para ajudar os alunos na construção do conhecimento em relação à Estatística. O primeiro deles diz respeito à leitura e interpretação de tabelas e gráficos, principalmente no que tange à extrapolação a partir da tendência de dados. Outro grande desafio diz respeito à introdução dos conceitos como média moda e mediana, de tal forma que estes não fiquem restritos ao uso do algoritmo para calculá-los, mas que sejam trabalhados com significado a partir de situações que façam sentido para os alunos e justifiquem seus cálculos. O objetivo deste trabalho é a partir de um teste diagnóstico, investigar quais são as concepções e competências de um grupo de professores polivalentes relacionadas à leitura e interpretação de tabelas e gráficos. O teste foi dividido em questões objetivas e dissertativas, e na primeira categoria iremos analisar a concepção do professor a respeito do tema, ao localizar características a partir de dados numéricos em tabelas e gráficos, bem como se necessário, formalizar cálculos: e na segunda, as competências, viii isto é, quais estratégias utilizadas por ele que o ajudarão a justificar suas respostas. Ao levarmos em conta os resultados obtidos em nossa pesquisa, concluímos que a formação desses professores passa por experiências compartilhadas pelos colegas a qual não necessariamente está vinculada a bancos acadêmicos, mas desempenha papel fundamental na concepção e competência do professor sobre aprendizagem e ensino da Matemática

Made available in DSpace on 2016-04-27T16:59:00Z (GMT). No. of bitstreams: 1 Romeu Mauro dos Reis.pdf: 1926091 bytes, checksum: 95ce6c690e1e95a1e8cb54ee5783123b (MD5) Previous issue date: 2009-10-21 / Secretaria da Educação do Estado de São Paulo / This study has as goal to analyze the development and the strategies used by pupils from the 3rd. year from the Medium Study (E.M.) in solving questions that involves the reading and interpretation of graphics and tables from questions of the National Exam of the Medium Study (ENEM) that present this theme, for asking the following questions from the research: What are the performance and strategies that the pupils from the 3rd. year from the Medium Study used to solve the questions involving reading and interpretation of graphics and tables from questions from ENEM ? For this it was developed a descriptive research with 40 (forty) pupils from the 3rd. Year from EM from a public school in São Paulo, divided firstly in two groups from 20 pupils, named as G1 pupils who studied Statistics and G2. who didn´t study Statistics . The research shared in two moments: the first worked in an application of a diagnostic instrument divided in two parts: part (A): questions that were used as grounds to collect the data related to the subjects ` profile. Part (B): eight objective questions to identify the performance and the strategies from the pupils related to questions that present graphics and tables. At the second moment, it was carried out a interview pre-structured with some of the people who take part of the research to obtain data that cannot be taken only with a questionnaire. The result showed a tendency from G1 presents better performance than G2. However, in general, the performance from pupils in reading and interpretation the tables and graphics was unsatisfied. The strategies used sometime were limited at the conceptions got during the school years (percentage calculation, probability and so on) and, sometimes they were related to social contexts in which they believed as true. So we can conclude that the teaching of Statistics must be better at schools, given the pupils condition to recognize, understand and use them in a efficient way daily. In relation to the test from ENEM the quality from the questions must be much better elaborated / Este estudo teve como objetivo analisar o desempenho e as estratégias utilizadas pelos alunos do 3º ano do Ensino Médio (E.M.) na resolução de questões que envolvam a leitura e a interpretação de gráficos e tabelas por meio das questões do Exame Nacional do Ensino Médio (ENEM) que abordam este tema, a fim de responder à seguinte questão de pesquisa: QUAL O DESEMPENHO E QUAIS AS ESTRATÉGIAS UTILIZADAS PELOS ALUNOS DO 3º ANO DO ENSINO MÉDIO NA LEITURA E INTERPRETAÇÃO DE GRÁFICOS E TABELAS EM QUESTÕES DO ENEM? . Para tanto, foi desenvolvido uma pesquisa descritiva, com 40 alunos do 3º ano do E.M. de uma escola pública de São Paulo, distribuídos a priori em dois grupos de 20 alunos, definidos como G1 alunos que estudaram Estatística e G2 alunos que podem ou não ter estudado Estatística . A posteriore, os grupos foram redistribuídos, segundo o reconhecimento do aluno ter estudado ou não Estatística, ficando redefinidos como G 1 estudaram Estatística e G 2 não estudaram Estatística . A pesquisa dividiu-se em dois momentos: o primeiro, tratou da aplicação de um instrumento diagnóstico dividido em duas partes: parte (A): questionário que serviu de base para a coleta dos dados relacionados ao perfil dos sujeitos. Parte (B): questionário com oito questões objetivas, a fim de identificar o desempenho e as estratégias dos alunos, no que tange às questões referentes a gráficos e tabelas. No segundo momento, foi realizada uma entrevista semiestruturada com alguns dos sujeitos participantes da pesquisa para obter informações que não podiam ser colhidas somente com o questionário. Os resultados evidenciaram uma tendência do grupo G 1 apresentar melhor desempenho do que o G 2. No entanto, de maneira geral, o desempenho dos sujeitos em leitura e interpretação de tabelas e gráficos foi insatisfatório. As estratégias utilizadas ora estavam limitadas aos conceitos adquiridos durante os anos escolares (cálculo de porcentagem, probabilidade, outros) e, por vezes, encontravam-se vinculadas a contextos sociais, nos quais eles acreditavam como verdadeiros. Concluiu-se que o ensino de Estatística precisa melhorar nas escolas, de modo que o aluno possa reconhecê-la, entendê-la e empregá-la de forma eficiente em seu cotidiano. Em relação à prova do ENEM, a qualidade das questões deve passar por uma melhoria acentuada

Föreliggande avhandling syftar till att utveckla läsningen och tolkningen av inskrifterna på de i dagsläget 46 kända vikingatida runblecken. Målet är att ge en så tydlig bild som möjligt av inskriftsgenren vikingatida runbleck. I detta syfte har upprepade fältundersökningar av runblecken genomförts med stereomikroskop. På grundval av på så vis etablerade nya läsningar föreslås nya tolkningar till de mest problematiska ställena i de tidigare tolkade runblecksinskrifterna. Nya tolkningsförslag ges även för runblecksinskrifter som tidigare har ansetts vara olexikaliska. Utöver nya läsningar och tolkningar resulterar denna studie i en kartläggning av relationen mellan runblecksinskrifternas innehåll och form å den enda sidan och runbleckens fyndmiljöer och utseende å den andra. / The aim of this dissertation is to represent as clearly as possible the genre of Viking-Age runic plates by developing readings and interpretations of the inscriptions on the 46 metal plates with runes from the Viking Age known today. Several investigations of the runic plates have been conducted with a stereomicroscope for this purpose. On the basis of the new readings thus established, new interpretations have been proposed for the most problematic sections of previously interpreted inscriptions. New interpretations are also offered for inscriptions on runic plates which have previously been considered non-lexical. As well as providing new readings and interpretations, this study has resulted in clarification of the relationship between the form and content of the inscriptions on the runic plates on the one hand and on their find circumstances and appearance on the other.

Η παρούσα διδακτορική διατριβή επικεντρώνεται σε δύο ερευνητικά προβλήματα που αποτελούν τα αντικείμενα δύο ερευνητικών φάσεων. Στην Α΄ ερευνητική φάση, διάρκειας ενός έτους, ασχολείται με τη διερεύνηση μαθηματικών πρακτικών σε τρεις ομάδες τεχνικών του Οργανισμού Τηλεπικοινωνιών Ελλάδας αναζητώντας παράλληλα την ύπαρξη αμετάβλητων στοιχείων της μαθηματικής επιστήμης τα οποία διαπερνούν την ακαδημαϊκή και την παρούσα εργασιακή κοινότητα. Στη Β΄ ερευνητική φάση, διάρκειας οκτώ μηνών, εξετάζει κάτω και υπό ποιες προϋποθέσεις πέντε σπουδαστές ενός Τεχνολογικού Εκπαιδευτικού Ιδρύματος που πραγματοποιούν την πρακτική τους άσκηση στον ίδιο Οργανισμό είναι σε θέση να αναγνωρίσουν τα αμετάβλητα αυτά στοιχεία. Στην Α΄ ερευνητική φάση η Θεωρία Δραστηριότητας των Vygotsky, Leont’ ev και των συνεχιστών του έργου τους, Engeström & Cole, αποτελεί τη θεωρητική βάση της εργασίας. Τα ερευνητικά δεδομένα προκύπτουν από εθνογραφικής φύσης παρατηρήσεις αλλά και συζητήσεις με τους συμμετέχοντες. Η μαθηματική δραστηριότητα που αναγνωρίσαμε στο χώρο εργασίας ήταν πολύπλοκη και πλούσια αλλά πλήρως ενταγμένη στο πλαίσιο αναφοράς της. Ειδικότερα, αναγνωρίσαμε και ταξινομήσαμε τα μαθηματικά εργαλεία τα οποία διαμεσολαβούσαν στις κεντρικές καθημερινές εργασιακές δραστηριότητες των τεχνικών και αναδείξαμε τους τρόπους με τους οποίους αυτά εμπλέκονταν με τα τεχνικής φύσης εργαλεία τους. Ταυτόχρονα αναγνωρίσαμε αμετάβλητα μαθηματικά στοιχεία στις μαθηματικές έννοιες, στο τρόπο κατανόησής τους από τους τεχνικούς και σε μαθηματικές διαδικασίες που οι ίδιοι χρησιμοποιούσαν για την επίτευξη των εργασιακών τους στόχων. Στην Β΄ ερευνητική φάση τα ερευνητικά δεδομένα προέρχονται από διερευνητικής και παρεμβατικής φύσης συνεντεύξεις με τους σπουδαστές και εθνογραφικές παρατηρήσεις. Μέσα από τις διερευνητικής φύσης συνεντεύξεις καταγράψαμε τις στάσεις των σπουδαστών ως μέλη της σπουδαστικής και της συγκεκριμένης εργασιακής κοινότητας και αναζητήσαμε μαθηματικές πρακτικές που ανέπτυξαν ως μαθητευόμενοι στην παρούσα εργασιακή τους κοινότητα. Οι μαθηματικές πρακτικές που ανέπτυξαν οι σπουδαστές, έστω και ασυνείδητα, είχαν άμεση εξάρτηση από τα εργαλεία και τους εργασιακούς στόχους της κάθε κοινότητας και αφορούσαν την ικανότητα οπτικοποίησης και την ανάγνωση και ερμηνεία σύνθετων οπτικών αναπαραστάσεων. Τέλος, μέσα από μια σειρά παρεμβατικής φύσης συνεντεύξεων αναλύσαμε με εργαλεία σημειωτικής τη δραστηριότητα που ανέπτυξαν οι ίδιοι σπουδαστές στην προσπάθεια ερμηνείας αυθεντικών αναπαραστάσεων με σκοπό τη σύνδεση κοινών μαθηματικών εννοιών που συναντώνται στην ακαδημαϊκή και στην παρούσα εργασιακή κοινότητα. Οι έννοιες αυτές αφορούσαν το θεσιακό σύστημα αρίθμησης και τη συναρτησιακή σχέση αντίστασης, μήκους, διαμέτρου χάλκινων καλωδίων. Καταλήγουμε, καταγράφοντας τα χαρακτηριστικά που προάγουν και αναστέλλουν, τη μεταφορά της γνώσης στο νέο κοινωνικό-πολιτισμικό πλαίσιο. Στο τέλος της διατριβής καταγράφονται και αναλύονται οι εκπαιδευτικές προεκτάσεις της έρευνας. / This dissertation thesis focuses on two different research problems carried out in two research phases. In the first research phase, lasting one year, it focuses on the exploration –identification of mathematical practices of three different groups of technicians of the Greek Telecommunication Organization. In parallel, it investigates the existence of invaried mathematical elements that are crossing the academic and the current workplace community. In the second research face, lasting eight months, it investigates how and whether five students of a Technological Educational Institute who were doing their practicum in this setting could recognize these invariant mathematical elements. In the first research phase, the theoretical framework is guided by Vygotsky and Leont’ev work on Activity theory and their followers, Engeström & Cole. Our data are coming from ethnographic observations and discussions with the participants. The mathematical activity we identified was complex and rich but completely contextual. Especially, we recognized and categorized the mediated mathematical tools in technicians’ central workplace activities and we were showing off how these are interrelated with their physical mediated tools. At the same time we recognized invariant mathematical elements in the category of mathematical concepts, the meanings the technicians attributed to these concepts and in the category of mathematical processes they were using in order to achieve their workplace goals. In the second research phase, our data are coming from eexploratory and intervention interviews with the students and ethnographic observations. In the exploratory interviews we recorded their experiences and their attitudes as members of the academic and the workplace community and we identified mathematical practices they developed as apprentice members of this community. Τhe main mathematical practices the students developed, mainly unconsciously, were attached to the tools and the goals of the workplace community and referring to visualization and reading and interpreting complex visual representations. Finally, through the intervention interviews, we analyzed with the help of semiotic tools the activity the same students developed in order to interpret mathematical objects that are common to the academic and workplace community. The mathematical objects were referring to the place value concept and the functional relation between the resistance, the length and the diameter of the copper wires. In the conclusion, we recorded the characteristics that support and block students’ transfer of knowledge in their new socio-cultural context. In the end of the thesis we discuss and analyze the educational implications of our findings.