30 resultados para Guerreiro Ramos

em Repositório Científico da Universidade de Évora - Portugal


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Várias são as causas, apontadas por diversos autores e também pelos professores inquiridos neste estudo, para a (des)motivação dos professores (pessoais, pedagógicas, económicas, políticas, administrativas, históricas, massificação e democratização do ensino, etc.) e também para a (in)disciplina dos alunos em contexto de sala de aula (pessoais, familiares, nível sócio-económico, relação com professores, relações com colegas, culturais, raciais, drogas, etc.). Apesar de não serem estatisticamente significativos, os resultados encontrados na presente pesquisa apontam no sentido de não haver relação entre a motivação do professor e a indisciplina dos seus alunos na sala de aula, ficando o estudo em aberto para novas investigações. Esta tendência manifestou-se nas amostras globais do pré-estudo (30 professores) e do estudo (116) e nas subamostras do estudo por tipos de escola (básica e secundária), por cada uma das seis escolas estudadas, por ciclos e anos de escolaridade e por áreas disciplinares. ABSTRACT: There are several causes, mentioned by many authors and also by the teachers inquired in this study, for the (none)motivation of teachers (personal, educational, economic, political, administrative, historical, massification and democratization of education and so on) and also for the (in)discipline of the students in the context of the classroom (personal, family, social­ economic level, relations with teachers, relations with colleagues, cultural, racial, drugs and so on). Although not statistically significant, the results of this research suggest there is no relation between teacher's motivation and their pupils' indiscipline in the classroom, so the study remains opened for new researches. This trend manifested itself in the global samples of the first study (30 teachers) and the main study (116) and in partial samples of this study for type of school (basic and secondary), for each one of the six studied schools, for cycles and years of schoolarity and for discipline areas.

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A presente dissertação constitui-se num estudo desenvolvido na área da educação de adultos, tendo como questão central: qual a oferta educativa e formativa certificada dirigida à população adulta do concelho de Vendas Novas, no período de 2000 a 2010? Procurámos dar resposta a esta questão, reflectindo sobre os conceitos relativos à Educação e Aprendizagem ao Longo da Vida e traçando uma breve retrospectiva das políticas educativas que nortearam este sector da educação. Atendendo à natureza do objecto em estudo, seguiu-se uma metodologia qualitativa, tendo a recolha de dados recaído sobre documentos oficiais produzidos por instâncias locais e regionais. Para a sua análise e interpretação, recorreu-se à técnica de análise de conteúdo, com o objectivo de destacar o seu conteúdo, quer evidente, quer latente. Os resultados emanados deste estudo permitiram-nos concluir efectivamente que as ofertas formativas colocadas ao dispor da população do concelho de Vendas Novas, durante a década de 2000 – 2010, foram muito diversificadas e procuraram, não só dar resposta às necessidades de formação/qualificação diagnosticadas, mas também dar cumprimento às orientações políticas nacionais e internacionais, em matéria de educação de adultos; ABSTRACT:This dissertation is the result of a study carries out in the area of adult education, having as central concern the mapping of the certified educational and training offer for adults in the county of Vendas Novas, in the period between 2000 and 2010. We tried to answer this question, reflecting on the concepts relating to education and lifelong learning and plotting a brief review of educational policies that guided this sector of education. Due to the nature of the subject under study, was followed a qualitative methodology, and data collection has relied on official documents produced by local and regional authorities. For the analysis and interpretation of data, we used the technique of content analysis, in order to highlight its content, either obvious or latent. The results emanating from this study allowed us to conclude that the provision of educational and training offer made available to the population of the county of Vendas Novas, during the decade 2000 - 2010, was very diverse and sought to address not only the training / qualification needs diagnosed, but also to comply with the national and international guidelines, in the field of adult education.

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O presente relatório expressa os resultados da avaliação externa do Agrupamento de Escolas de Almodôvar, realizada pela equipa de avaliação, na sequência da visita efetuada entre 19 e 22 de janeiro de 2015. As conclusões decorrem da análise dos documentos fundamentais do Agrupamento, em especial da sua autoavaliação, dos indicadores de sucesso académico dos alunos, das respostas aos questionários de satisfação da comunidade e da realização de entrevistas.

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R&D investments are seen has having an enormous potential impact on the competitive position of regions and perhaps on regional convergence (or divergence) too. The aim of the paper is to study both the localization of R&D investments and regional income distribution among the NUTs 3 regions of Portugal to conclude if these variables are related or not. To study the spatial convergence (approximation) of per capita income (GDPpc) and R&D investments in the regions of Portugal, we use a standard methodology of spatial econometrics. We conclude that regions with higher GDPpc are not the same with the highest concentration of R&D investments, with the exception of the northern coastline. The R&D investments are geographically linked to the network of higher education institutions, especially in the interior regions of the country. The northern regions reveal more dynamic in terms of R&D, which apparently is not felt in the population's standard of living measured by GDPpc.

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É do conhecimento geral de que, hoje em dia, a tecnologia evolui rapidamente. São criadas novas arquitecturas para resolver determinadas limitações ou problemas. Por vezes, essa evolução é pacífica e não requer necessidade de adaptação e, por outras, essa evolução pode Implicar mudanças. As linguagens de programação são, desde sempre, o principal elo de comunicação entre o programador e o computador. Novas linguagens continuam a aparecer e outras estão sempre em desenvolvimento para se adaptarem a novos conceitos e paradigmas. Isto requer um esforço extra para o programador, que tem de estar sempre atento a estas mudanças. A Programação Visual pode ser uma solução para este problema. Exprimir funções como módulos que recebem determinado Input e retomam determinado output poderá ajudar os programadores espalhados pelo mundo, através da possibilidade de lhes dar uma margem para se abstraírem de pormenores de baixo nível relacionados com uma arquitectura específica. Esta tese não só mostra como combinar as capacidades do CeII/B.E. (que tem uma arquitectura multi­processador heterogénea) com o OpenDX (que tem um ambiente de programação visual), como também demonstra que tal pode ser feito sem grande perda de performance. ABSTRACT; lt is known that nowadays technology develops really fast. New architectures are created ln order to provide new solutions for different technology limitations and problems. Sometimes, this evolution is pacific and there is no need to adapt to new technologies, but things also may require a change every once ln a while. Programming languages have always been the communication bridge between the programmer and the computer. New ones keep coming and other ones keep improving ln order to adapt to new concepts and paradigms. This requires an extra-effort for the programmer, who always needs to be aware of these changes. Visual Programming may be a solution to this problem. Expressing functions as module boxes which receive determined Input and return determined output may help programmers across the world by giving them the possibility to abstract from specific low-level hardware issues. This thesis not only shows how the CeII/B.E. (which has a heterogeneous multi-core architecture) capabilities can be combined with OpenDX (which has a visual programming environment), but also demonstrates that lt can be done without losing much performance.

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Human resources are an essential element in territorial development. When these are characterized by a high level of training, they also enhance a number of effects in fundamental areas of binomial territorial-social cohesion. In this respect, the existence of higher education institutions throughout the territory allows the spread of human resources’ qualification but, by itself, does not guarantee the retention of these resources in different regions. Thus, the objective of this paper is to undertake a spatial analysis of convergence of knowledge through studying the evolution of the percentage of population with higher education in the periods elapsed between the last three censuses in Portugal. Although that percentage has risen appreciably, the convergence is shown to be (very) insignificant.

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Regarding the EU policies of territorial cohesion is common to assume that, having the same been successful (in Portugal), regional disparities decreased. The purpose of this article is to assess the veracity of this allegation, for that considering the values of employment and unemployment rates by municipalities, determined in the last two censuses held in Portugal, i.e. 2001 and 2011. In doing so, spatial econometric techniques are used, namely local indicators of spatial association and spatial clusters, in order to better understand the eventual process of spatial convergence that may have occurred in Portugal in that period. The results point towards a spatial convergence of employment rates (both in total and by genres) and also of female unemployment rates but a spatial divergence of male unemployment rates.

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This number of the IJLTFES – International Journal of Latest Trends in Finance and Economic Sciences – is dedicated specifically to Regional Disparities and Convergence.

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O objectivo do presente ensaio é avaliar o efeito do teor proteico da dieta na digestibilidade da bolota em porcos Alentejanos. Para tal, nove animais foram seccionados e colocados em caixas metabólicas onde as dietas foram distribuídas aleatoriamente, segundo o Modelo de Quadrado Latino 3 x 3. O ensaio in vivo foi assim dividido em três períodos, durante os quais se recolheram amostras de alimento, refugos fezes e urina para posterior análise em laboratório. Foi determinada a composição química do alimento e calculada a digestibilidade e balanço de azoto dos três tratamentos. Também foi determinado o conteúdo em compostos fenólicos e taninos da bolota pelo método do Folin­ Ciocalteu, taninos condensados pelo método do Butanol-HCl e a capacidade complexante dos taninos pelo método da Difusão Radial. Devido à reduzida capacidade de os taninos complexarem as proteínas e à baixa ingestão da luzerna não foi possível verificar diferenças na proteína ingerida entre os tratamentos testados. ABSTRACT; The aim of present experiment is to evaluate the effect of protein content in diet digestibility of oak acorn in Alentejano pigs. For that, nine animals were selected and housed in metabolic cages where diets were given randomly, in a Latin Square model3 x 3. The in vivo experiment was divided in three periods, during which were collected feed, refusals, feces and urine samples for subsequent laboratory analyses. Chemical feed composition was determinate and calculated the digestibility and nitrogen balance in three treatments. It was also determinate the amount of phenolic compounds and tannins on oak acorn by Folin-Ciocalteu assay, condensed tannins by Butanol-HCl assay and the availability to form complex with protein by Radial Diffusion assay. It was observed a reduced availability of tannins to bind proteins and a low Lucerne intake, so it wasn't possible to verify differences on protein intake, between tested treatments.

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A Lontra Euroasiática foi alvo de quatro prospeções na Península Ibérica (1990-2008). Em 2003, foi publicado um modelo de distribuição da lontra, com base nos dados de presença/ausência das prospeções publicadas em 1998. Dadas as suas características, este tipo de modelos pode tornar-se um elemento chave nas estratégias de recuperação da lontra como também, de outras espécies, se comprovada a sua fiabilidade e capacidade de antecipar tendências na distribuição das mesmas. Assim, esta dissertação confrontou as previsões do modelo com os dados de distribuição de 2008, a fim de identificar potências áreas de discordância. Os resultados revelam que, o modelo de distribuição de lontra proposto, apesar de ter por base dados de 1998 e de não considerar explicitamente processos biológicos, conseguiu captar o essencial da relação espécie-ambiente, resultando num bom desempenho preditivo para a distribuição da mesma em Espanha, uma década depois da sua construção; Evolution of otter (Lutra lutra L.) distribution in the Iberian Peninsula: Models at different scales and their projection through space and time Abstract: The Eurasian otter was already surveyed four times in the Iberian Peninsula (1990-2008). In 2003, a distribution model for the otter based on presence/absence data from the survey published in 1998, was published. This type of models has advantages that can make it in a key element for otter conservation strategies and also, for other species, but only, if their reliability and capability to predict species distribution tendencies are validated. The present thesis compares the model predictions with 2008 data, in order to find potential mismatch areas. Results suggest that, although the distribution model for the otter was based on data from 1998 and, doesn’t include explicitly biological mechanisms, it managed to correctly identify the essence of the species-environment relationship, what was translated in a good predictive performance for its actual distribution in Spain, after a decade of its construction.

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Uma biblioteca digital pode definir-se como um conjunto de documentos digitais disponibilizados em linha, com mecanismos de pesquisa e de recuperação da informação. A disponibilização dos acervos através das bibliotecas digitais confere um elevado índice de visibilidade dos documentos, fomenta a preservação dos originais e permite o acesso a pessoas com necessidades especiais ou em determinadas circunstâncias de inacessibilidade. A criação de uma biblioteca digital, além de exigir um cuidadoso planeamento, pressupõe a sua manutenção no tempo, a eficácia da recuperação dos dados, o incremento dos conteúdos e a atualização tecnológica.

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No número 18 do “Boletim Trimestral” apresentámos os principais resultados do estudo que elaborou a Matriz Input-Output da Região Alentejo (MIO-Alentejo). Com este texto prosseguimos o propósito de divulgação dos resultados e conclusões do projeto, mas adotando agora uma perspectiva mais focalizada. Em particular, interessa-nos de momento olhar para o processo de formação do valor acrescentado, ou, de forma equivalente, para a distribuição do rendimento gerado na produção, sob a forma de remuneração dos diferentes fatores produtivos (3º quadrante). Nos pontos 2, 3, e 4 apresentamos os resultados e, em conclusão, deixamos algumas considerações finais no ponto 5. Anexamos um glossário com uma breve descrição metodológica.

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Geomorphological mapping is a powerful instrument improving the geomorphological interpretation and understanding of the processes and forms used in landscape studies, with the ability of organizing different thematic layers in the same map. The presented map provide relevant information about the different geomorphological units of the central Algarve (i.e. the Carboniferous flysch mountains; the Barrocal, with marly and karstified subunits), where a karst system is prominent. Solution karst morphologies and large dry areas are common in the elevated areas of the Barrocal, suggesting deep circulation of groundwater. These recharge areas feed the perched aquifers of the area, where discharge is controlled by the impervious lithologies (clay-rich strata of the turbidites, marls and argilites) in the valley bottoms or other leaks in dammed aquifers. In springs related to the main aquifers tufa are actively being formed and, close coupled to spring location, different tufa depositional systems develop.

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This research project addresses a central question in the IS business value field: Does IS/IT investments impact positively on firm financial performance? IS/IT investments are seen as having an enormous potential impact on the competitive position of the firm, on its performance, and demand an active and motivated participation of several stakeholder groups. Actual research conducted in the Information Systems field, relating IS/IT investments with firm performance use transactions costs economics and resource-based view of the firm to try to explain and understand that relationship. However, it lacks to stress the importance of stakeholder management, as a moderator variable in that relationship. Stakeholder theory sees the firm as the hub centric to the spokes representing various stakeholders who were in essence equidistant to the firm, and survival and continuing profitability of the corporation depend upon its ability to fulfil its economic and social purpose, which is to create and distribute wealth or value sufficient to ensure that each primary stakeholder group continues as part of the corporation’s stakeholder system. Stakeholder theory in its instrumental version, argues that if a firm pays attention to the stakes of all stakeholder groups (and not just shareholders), it will obtain higher levels of financial performance. With this premise in mind, the aim of this paper is to discuss and test the use of stakeholder theory in the IS business value stream of research, in order to achieve a better understanding of the impact of IS/IT investments on firm performance (moderated by stakeholder management). To achieve the expected impact from an IS/IT investment, it is argued that firms need a strong commitment from those stakeholder groups, which lead us to the need of a corporate “stakeholder orientation”. When firm financial performance is measured by returns on assets (ROA), returns on investments (ROI) and returns on sales (ROS), the results show that “stakeholder orientation” impact positively in the relation between IS/IT and firm performance, using a sample of Portuguese large companies.

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IS/IT investments are seen has having an enormous potential impact on the competitive position of the firm, on its performance, and demand an active and motivated participation of several stakeholder groups. The shortfall of evidence concerning the productivity of IT became known as the ‘productivity paradox’. As Robert Solow, the Nobel laureate economist stated “we see computers everywhere except in the productivity statistics”. An important stream of research conducted all over the world has tried to understand these phenomena, called in the literature as «IS business value» field. However, there is a gap in the literature, addressing the Portuguese situation. No empirical work has been done to date in order to understand the impact of Information Technology adoption on the productivity of those firms. Using data from two surveys conducted by the Portuguese National Institute of Statistics (INE), Inquiry to the use of IT by Portuguese companies (IUTIC) and the Inquiry Harmonized to (Portuguese) companies (accounting data), this study relates (using regression analysis) the amounts spent on IT with the financial performance indicator Returns on Equity, as a proxy of firm productivity, of Portuguese companies with more than 250 employees. The aim of this paper is to shed light on the Portuguese situation concerning the impact of IS/IT on the productivity of Portuguese top companies. Empirically, we test the impact of IT expenditure on firm productivity of a sample of Portuguese large companies. Our results, based on firm-level data on Information Technology expenditure and firm productivity as measured by return on equity (1186 observations) for the years of 2003 and 2004, exhibit a negative impact of IT expenditure on firm productivity, in line with “productivity paradox” claimants.