8 resultados para Pre-service training

em Repositório Científico do Instituto Politécnico de Lisboa - Portugal


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The concepts and instruments required for the teaching and learning of geometric optics are introduced in the didactic processwithout a proper didactic transposition. This claim is secured by the ample evidence of both wide- and deep-rooted alternative concepts on the topic. Didactic transposition is a theory that comes from a reflection on the teaching and learning process in mathematics but has been used in other disciplinary fields. It will be used in this work in order to clear up the main obstacles in the teachinglearning process of geometric optics. We proceed to argue that since Newton’s approach to optics, in his Book I of Opticks, is independent of the corpuscular or undulatory nature of light, it is the most suitable for a constructivist learning environment. However, Newton’s theory must be subject to a proper didactic transposition to help overcome the referred alternative concepts. Then is described our didactic transposition in order to create knowledge to be taught using a dialogical process between students’ previous knowledge, history of optics and the desired outcomes on geometrical optics in an elementary pre-service teacher training course. Finally, we use the scheme-facet structure of knowledge both to analyse and discuss our results as well as to illuminate shortcomings that must be addressed in our next stage of the inquiry.

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Este estudo pretende descrever e compreender o processo formativo dos professores do 1º ciclo do Ensino Básico, no contexto do Programa Nacional de Ensino do Português (PNEP), as suas dimensões mais relevantes e como é percecionada a supervisão nesse processo de formação contínua. A metodologia adotada nesta investigação foi de natureza qualitativa e baseou-se num conjunto de entrevistas semi-diretivas realizadas a formandos que frequentaram o PNEP entre 2008/2010. Dos resultados obtidos foi possível verificar o impacto positivo que esta modalidade de formação contínua teve no desenvolvimento profissional dos professores preparando-os para a implementação do novo programa de português e permitindo-lhes desmistificar o papel do supervisor através da participação numa experiência de supervisão. O trabalho colaborativo entre professores emergiu durante este processo formativo fomentando a construção de saber em colaboração. A prática pedagógica dos professores apresentou mudanças que pretenderam repercutir-se no aproveitamento dos alunos na área da língua portuguesa. - Abstract This study aims to comprehend and describe the formative process and practice of teachers in Basic education (1st Cycle), in the context of the National Programme for the Teaching of Portuguese Language (PNEP), its most relevant dimensions, the factors which affected it and how supervision was perceived by the teachers involved. A qualitative approach was used, based on semi-directed interviews done to teachers that attended the PNEP, from 2008 to 2010. The impact of this type of continuing training on teachers‟ professional development was positive. They felt prepared for the implementation of the new Portuguese Language Programme. They also demystified the role of the supervisor through the participation in an experience of supervision. The teachers‟ collaborative work emerged during this formative process, promoting the construction of knowledge among teachers. Added to this, teachers‟ pedagogical practice also improved reflected on the students‟ proficiency in the Portuguese language.

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Dissertação apresentada à Escola Superior de Educação de Lisboa para obtenção do grau de mestre em Ciências da Educação - Especialidade Supervisão em Educação

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In this work, we present a teaching-learning sequence on colour intended to a pre-service elementary teacher programme informed by History and Philosophy of Science. Working in a socio-constructivist framework, we made an excursion on the history of colour. Our excursion through history of colour, as well as the reported misconception on colour helps us to inform the constructions of the teaching-learning sequence. We apply a questionnaire both before and after each of the two cycles of action-research in order to assess students’ knowledge evolution on colour and to evaluate our teaching-learning sequence. Finally, we present a discussion on the persistence of deep-rooted alternative conceptions.

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Purpose - The study evaluates the pre- and post-training lesion localisation ability of a group of novice observers. Parallels are drawn with the performance of inexperienced radiographers taking part in preliminary clinical evaluation (PCE) and ‘red-dot’ systems, operating within radiography practice. Materials and methods - Thirty-four novice observers searched 92 images for simulated lesions. Pre-training and post-training evaluations were completed following the free-response the receiver operating characteristic (FROC) method. Training consisted of observer performance methodology, the characteristics of the simulated lesions and information on lesion frequency. Jackknife alternative FROC (JAFROC) and highest rating inferred ROC analyses were performed to evaluate performance difference on lesion-based and case-based decisions. The significance level of the test was set at 0.05 to control the probability of Type I error. Results - JAFROC analysis (F(3,33) = 26.34, p < 0.0001) and highest-rating inferred ROC analysis (F(3,33) = 10.65, p = 0.0026) revealed a statistically significant difference in lesion detection performance. The JAFROC figure-of-merit was 0.563 (95% CI 0.512,0.614) pre-training and 0.677 (95% CI 0.639,0.715) post-training. Highest rating inferred ROC figure-of-merit was 0.728 (95% CI 0.701,0.755) pre-training and 0.772 (95% CI 0.750,0.793) post-training. Conclusions - This study has demonstrated that novice observer performance can improve significantly. This study design may have relevance in the assessment of inexperienced radiographers taking part in PCE or commenting scheme for trauma.

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Trabalho de Projeto para obtenção do grau de Mestre em Engenharia Civil na Área de Especialização de Estruturas

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Background: In Angola, malaria is an endemic disease having a major impact on the economy. The WHO recommends testing for all suspected malaria cases, to avoid the presumptive treatment of this disease. In malaria endemic regions laboratory technicians must be very comfortable with microscopy, the golden standard for malaria diagnosis, to avoid the incorrect diagnosis. The improper use of medication promotes drug resistance and undesirable side effects. The present study aims to assess the impact of a three-day refresher course on the knowledge of technicians, quality of blood smears preparation and accuracy of microscopy malaria diagnosis, using qPCR as reference method. Methods: This study was implemented in laboratories from three hospitals in different provinces of Angola: Bengo, Benguela and Luanda. In each laboratory samples were collected before and after the training course (slide with thin and thick blood smears, a dried blood spot and a form). The impact of the intervention was evaluated through a written test, the quality of slide preparation and the performance of microscopy. Results: It was found a significant increase on the written test median score, from 52.5% to 65.0%. A total of 973 slides were analysed to evaluate the quality of thick and thin blood smears. Considering all laboratories there was a significant increase in quality of thick and thin blood smears. To determine the performance of microscopy using qPCR as the reference method we used 1,028 samples. Benguela presented the highest values for specificity, 92.9% and 98.8% pre and post-course, respectively and for sensitivity the best pre-course was Benguela (75.9%) and post-course Luanda (75.0%). However, no significant increase in sensitivity and specificity after the training course was registered in any laboratory analysed. Discussion: The findings of this study support the need of continuous refresher training for microscopists and other laboratory staff. The laboratories should have a quality control programme to supervise the diagnosis and also to assess the periodicity of new training. However, other variables needed to be considered to have a correct malaria diagnosis, such as adequate equipment and reagents for staining and visualization, good working conditions, motivated and qualified personnel.

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É hoje largamente aceite que a promoção da relação profissional de saúde-paciente conduz ao incremento na qualidade dos cuidados de saúde. A investigação sobre os benefícios da comunicação eficaz levou mesmo alguns autores a considerar a comunicação como a ferramenta mais importante na prestação de saúde. Como consequência, desde o início dos anos 90, as escolas médicas, principalmente do mundo ocidental, têm aumentado o interesse no ensino de competências comunicacionais. Este trabalho partiu da pesquisa bibliografia realizada através da B-on. As palavras-chave utilizadas foram: comunicação profissional de saúde-doente, treino de competências comunicacionais, estudantes e saúde. A análise dos diversos programas de treino de competências comunicacionais, destinados a estudantes e profissionais de saúde permitiu constatar que existe uma enorme variabilidade e falta de consistência nos vários programas de treino atualmente disponíveis. A maioria dos estudos incluía informação insuficiente sobre as competências comunicacionais a ensinar aos participantes. Face à situação atual, são apontadas algumas diretrizes para o futuro do ensino destas competências ao nível do ensino pré e pós-graduado na área da saúde.