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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Statistical methods in studying the aetiology of Chronic diseases

Wong, Siu-lan, 黃小蘭 January 1987 (has links)
published_or_final_version / Statistics / Master / Master of Philosophy
2

A METODOLOGIA DA RESOLUÇÃO DE PROBLEMAS E O ENSINO DE ESTATÍSTICA NO NONO ANO DO ENSINO FUNDAMENTAL

Vargas, Glaucia Garcia Bandeira de 22 February 2013 (has links)
Made available in DSpace on 2018-06-27T19:13:05Z (GMT). No. of bitstreams: 2 Glaucia Garcia Bandeira de Vargas.pdf: 3626541 bytes, checksum: 04fe7f7d20b7b7599d14b9852cfc5293 (MD5) Glaucia Garcia Bandeira de Vargas.pdf.jpg: 3582 bytes, checksum: f912a3ecb7060af1c56e85cc4fa15fd6 (MD5) Previous issue date: 2013-02-22 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / This paper, developed in the Physics and Mathematics Master‟s degree at Centro Universitário Franciscano UNIFRA, has the objective of investigating the Methodology of Problem-solving in the Statistics teaching for the students at the ninth grade of the elementary school. The starting point is the certification that Statistics is normally put in second place in a classroom, despite being recommended by the National Curricular Parameters (PCNs). Besides that, it has been proved effective as a tool of reality comprehension, critical spirit development and, also, having an interdisciplinary role. The research, developed with the students at the ninth grade of a public school in Santa Maria, RS, Brazil, used the methodology of qualitative approach and the Problem-solving method proposed by Onuchic e Allevato (2009). In six meetings of two hours each, some charts concepts, graphics and Measures of central tendency (mean, median and mode) were used from the applied problems based in nine steps defined by the authors. The raw-material of the problems were socioeconomic data of the students‟ family obtained from a questionnaire inspired in 2010 Census of the Brazilian Institute of Geography and Statistics (IBGE). This way, it was aimed to apply statistical knowledge to the students‟ reality. The work development confirmed the premise that the statistics is not appreciated during the elementary school, as at the last year of this phase, the students show elementary difficulties in tasks like reading statistical data, creating graphics from charts and elaborate conclusions and comparisons of data statistically exposed. This unawareness, caused by the absence of the subject in the class program, is partly compensated by the fact of statistics being present in the students‟ routine, by the press and other social segment. Fortunately, it was possible to consolidate with the students some knowledge about basic concepts, capacity of data reading and charts construction and also statistical concept understanding. This start point has shown, during this work, a base which it is possible to construct a more elaborated knowledge. In this sense, two factors contributed: 1) the application of problem-solving methodology for statistics, creating an environment of curiosity for some students, who felt challenged to overcome the obstacles proposed in the problems; 2) the adoption of raw material excerpted from the students‟ reality (questionnaire responses with socioeconomics data from their families and Census 2010 official figures) to construct the problem-situations which were the base to the work development. At the end of the meetings, it was possible to identify that the students had a progress in their knowledge about statistics, borrow some concepts and realized how valuable those concepts were as a tool of reading and reality comprehension, which is a crucial start point for the adoption of an attitude that seeks social and economics transformations which can be positive in the lives of the students and their families. / Este estudo, desenvolvido no Mestrado Profissionalizante em Ensino de Física e de Matemática do Centro Universitário Franciscano UNIFRA, tem por objetivo investigar a contribuição da Metodologia de Resolução de Problemas no ensino de Estatística para alunos do nono ano do Ensino Fundamental. O ponto de partida é a constatação de que a Estatística costuma ser colocada em segundo plano em sala de aula, embora seja recomendada pelos Parâmetros Curriculares Nacionais (PCNs), além de ser comprovadamente eficaz como ferramenta de compreensão da realidade, desenvolvimento do espírito crítico e cidadão e, ainda, tenha um papel interdisciplinar. A pesquisa, desenvolvida com alunos do nono ano de uma escola pública de Santa Maria (RS), utilizou a metodologia de pesquisa de abordagem qualitativa e a Metodologia de Ensino de Resolução de Problemas proposta por Onuchic e Allevato (2009). Em seis encontros de duas horas cada foram trabalhados os conceitos de tabelas, gráficos e medidas de tendência central (média, moda e mediana), a partir de problemas aplicados com base em nove passos definidos pelas autoras. A matéria-prima dos problemas foram dados socioeconômicos das famílias dos próprios alunos, obtidos a partir de um questionário inspirado no Censo 2010 do Instituto Brasileiro de Geografia e Estatística (IBGE). Dessa forma, objetivou-se aplicar conhecimentos estatísticos à realidade dos alunos. O desenvolvimento do trabalho confirmou a premissa de que a Estatística é pouco valorizada ao longo do Ensino Fundamental, já que no ano final desta fase os alunos demonstraram dificuldades elementares em tarefas como ler dados estatísticos, construir gráficos a partir de tabelas e elaborar conclusões e comparações de dados expostos estatisticamente. Este desconhecimento, causado pela ausência do tema dos programas de aula, em parte é compensada pelo fato de a estatística estar muito presente no dia a dia dos alunos, pela imprensa e outros segmentos sociais. Graças a isso, foi possível consolidar junto com os alunos conhecimentos sobre conceitos básicos, capacidade de leitura de dados, de construção de gráficos e de entendimento de conceitos estatísticos. Este ponto de partida se revelou, ao longo do trabalho, uma base sobre a qual é possível construir um conhecimento mais elaborado. Contribuíram neste sentido dois fatores: 1) a utilização da metodologia de resolução de problemas aplicada à estatística, gerando um ambiente de curiosidade de parte dos alunos que se sentiram desafiados a superar os obstáculos propostos nos problemas; 2) a adoção de matéria-prima extraída da realidade dos alunos (respostas de questionário com dados socioeconômicos de suas famílias e dados oficiais do Censo 2010) para construir as situações-problema que deram base ao desenvolvimento do trabalho. Ao final dos encontros, foi possível identificar que os alunos evoluíram no conhecimento sobre Estatística, apropriaram-se de conceitos e perceberam o inestimável valor deles como ferramenta de leitura e compreensão da realidade, o que é um ponto de partida decisivo para a adoção de uma postura que busque transformações sociais e econômicas positivas na vida dos alunos e de seus familiares.
3

Statistická gramotnost studentů učitelství přírodopisu/biologie v České republice / Statistical Literacy of Students of Teaching Biology in the Czech Republic

Hybšová, Aneta January 2017 (has links)
Especially in connection with the results of the PISA research, the literacy in the natural science field has been lately becoming the topic of scientific discussion. It had become apparent that Czech students attain lower levels of procedural knowledge and face difficulties in evaluation and planning of natural scientific research, when compared to student of other countries. In order to be able to make use of the synergy effect between the natural science literacy and statistical literacy, it is crucial for the students themselves to be literate in statistics. The presented doctoral dissertation focuses on the importance and the matter of statistical literacy among natural science and biology students of pedagogy. The goal of this dissertation is to describe the current state of statistical literacy among students of pedagogy in natural science field. In view of the complexity of the given task; sectional goals have been proposed and executed. Firstly, the expected attainment level among the first year students of universities and colleges is analyzed, with the use of contextual analysis of documents from the Framework educational programs for primary and secondary schools. This analysis shows, what statistical knowledge are pedagogy students of natural science and biology expected to have, based on the...

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