Browsing by Issue Date, starting with "2018-11"
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- A Nationwide Seroepidemiologic Study on Q Fever Antibodies in Sheep of PortugalPublication . Cruz, Rita; Esteves, Fernando; Nóbrega, Carmen; Santos, Carla; Ferreira, Ana S.; Mega, Cristina; Coelho, Ana C.; Vala, Helena; Mesquita, JoãoIntroduction: Q fever is an almost global zoonotic disease caused by Coxiella burnetii. Human infections can produce acute and chronic disease that can lead to abortions and stillbirths in pregnant women, usually infected by the inhalation of C. burnetii-contaminated aerosols or through consumption of contaminated products. Sheep are one of the primary animal reservoirs with disease being associated with vast shedding of bacteria in placentas, feces, milk, and birth fluids. Although almost neglected in the past, recent outbreaks of sheep origin have alerted the public and the scientific community. Materials and Methods: An epidemiologic survey to estimate the seroprevalence of Q fever antibodies was performed in a representative number of sheep of all regions of continental Portugal (n = 1068), using a commercial ELISA (ID Screen Q Fever Indirect Multi-species Kit; IDvet, Montpellier, France). Results and Discussion: An anti-C. burnetii seroprevalence of 11.4% (95% confidence interval 9.6–13.5) was found, with a clear distinction between the Center region with highest seroprevalence, and the rest of the territory. Sheep traditional farming is widely present in Portugal and is part of the cultural and gastronomical background of the country. This close proximity to small ruminants may contribute to the zoonotic transfer to humans.
- Discussões coletivas em matemática: um olhar sobre a prática de três professoresPublication . Rodrigues, Cátia; Menezes, Luís; Ponte, João PedroAs discussões matemáticas são uma ferramenta poderosa ao alcance dos professores para proporcionar aos alunos uma aprendizagem da Matemática com compreensão. Essa prática revela-se uma atividade exigente para o professor, colocando-lhe sérios desafios. Neste estudo, procuramos descrever e compreender como três professores de Matemática do Ensino Básico (EB) dinamizam discussões coletivas envolvendo tarefas algébricas, focando os desafios que enfrentam. O estudo, de cunho qualitativo e interpretativo, assenta em estudos de caso de três professores. Os resultados mostram que os professores dinamizam a discussão por três componentes principais: apresentação; comparação, avaliação e filtragem; e conclusão, revelando flexibilidade na sua atuação, como forma de responder a algumas tensões que defrontam.
- A selection process as a gamePublication . Ferreira, Manuel Alberto M.; Matos, Maria Cristina Peixoto deThe aim of this paper is to exemplify how to solve the problem of selecting a candidate up to his/her acceptance trough game theory. The originality this paper proposes is how this problem will be approached: it will be treated as a single game which is made up of two parts, going as far as to state that the payoffs in the first part of the game will be the mediators of the second part of the game.
- Livro de Atas do Congresso de Investigação em Educação ArtísticaPublication . Souto e Melo, AnaO Livro de Atas compila textos apresentados em comunicação oral no Congresso de Investigação em Educação Artística.
- Tasks based on graphic humor as a way to develop mathematical communicationPublication . Menezes, LuísIn this paper, I present an exploratory study that seeks to understand the role that tasks based on graphic humor can play in the learning of Mathematics, particularly as far as the students’ written communication is concerned. To be able to achieve this goal, the HUMAT Research Project (Humor in Mathematics Teaching) allowed us to design mathematical tasks based on graphic humor (comic strips) which were used in a 4th grade class (composed of 24 students). The current study follows a qualitative and interpretive methodological approach. Data were collected through the observation of the students’ actions (audio recording of classes were used) and through the analysis of their written records. The results of this study show that mathematical tasks inspired by graphic humor can be taken seriously in Mathematics classes since they are important to promote students’ enthusiasm, their mathematical thinking and mathematical writing.
- The factorial structure of the supervisor’s generic and specific competencies scalePublication . Cunha, Madalena; Albuquerque, Carlos; Cruz, CarlaCunha’s Supervisor’s General and Specific Competencies Scale (Cunha, 2017) was designed to assess the mentor teachers’ ideal competencies according to higher education students’ perspective. The development of further educational/pedagogical research in this area is essential to update the existing knowledge. This study sought to answer the question what the psychometric quality of Cunha's (2017) Supervisor's General and Specific Competencies Scale (CGES) is by assessing the psychometric properties, the factorial structure and the internal consistency of the Supervisor’s General and Specific Competencies Scale. To determine this, a methodological and cross-sectional study was carried out. The institutions authorised the collection of data and the participants completed the indispensable informed consent form. The internal consistency study and the confirmatory factor analysis of the CGES scale, (Cunha, Cruz, Menezes & Albuquerque, 2017) was developed using a sample consisting of 306 higher education students, who were attending medical schools located in the centre of Portugal. 81.7% of those participants were women with an average age of 21.15 years. The CGES scale internal consistency study revealed the existence of three (3) Factors/subscales: 1 – generic competencies (α = 0.960); 2 – specific competencies (α = 0.937) and 3 - metacompetencies (α = 0.805). There was a 0.907 Cronbach’s alpha coefficient for the global 20 item scale. Students who were under 19 value the supervisor's generic skills, while metacompetencies are preferred by older students. There was a statistically significant difference between scores. This research constitutes the first assessment of the psychometric quality of the CGES scale measurement properties, using a sample from the Portuguese population. It shows the robustness of the internal consistency values obtained for the different subscales and that are taken into account in the final and global outcome. The results suggest that we should consider assessing the generic and the specific competencies, as well as the metacompetencies, exhibited by teachers when their pedagogical performance in the field of supervision is being assessed.
- The factorial structure of the supervisor’s core competencies scalePublication . Cunha, Madalena; Duarte, João; Albuquerque, CarlosCunha & Albuquerque’s (2017) Supervisor’s Core Competencies Scale (SCoreCS) was designed to assess the ideal skills that college students expect their mentor teacher to master. The development of educational pedagogic and academic research in this field is of vital importance considering the lack of updated background knowledge of this topic. In view of this, the following question was raised: What is the Supervisor’s Core Competencies Scale internal consistency quality? This study sought to evaluate the psychometric properties, namely the factorial structure and the internal consistency of the Supervisor’s Core Competencies Scale. A cross - sectional study was conducted, after the Ethics Committee’s approval. The internal consistency study and the confirmatory factor analysis of the SCoreCS were developed using a sample of 306 students (81.7% of them were women) with an average age of 21.15. The SCoreCS internal consistency study revealed the existence of three (3) factors/subscales: 1) Personal Factors (α=0.979); 2) Interpersonal/Communication Factors (α=0.946); and 3) Performance Factors (α=0.936). A Cronbach's alpha coefficient of 0.972 was found for the global 21-items SCoreCS. Female students value the supervisor’s personal competencies more, while male students prefer the interpersonal competencies which revealed statistically significant differences. The youngest students (≤19) value all the different kinds of competencies which revealed statistically significant differences when compared to the other age groups. This research constitutes a first step in the study of the psychometric properties of the SCoreCS using a sample of the Portuguese population. The values of internal consistency in the different subscales and in the global score were found to be quite robust. The results suggest that the identification of personal, interpersonal/communicational and performance competencies should be considered in the assessment of the teachers' pedagogical practices. These findings will also foster the development of future research that will support a more contemporary pedagogical supervision in which innovation would be applied to college didactics.
- Humor in mathematics teaching can be a serious thing!Publication . Menezes, LuísThis study focuses on the educational possibilities of instructional humour in the teaching of Mathematics in the final stages of primary education. It is an exploratory study whose main objective is to understand the role that mathematical tasks, based on humorous situations (cartoons or comic strips), might play in the learning of Mathematics and in the development of mathematical communication and mathematical knowledge. In order to reach this goal, three mathematical tasks, based on humorous cartoons involving mathematical concepts, were applied in a fourth-year class. Students worked in pairs in order to solve those given tasks. The work done by the students was then discussed collectively. The research adopted a qualitative methodology. The data collected come from class observation, audio recordings and from students’ written conclusions. The results reveal that those humour-based mathematical tasks have succeeded in catching students' attention to the learning of Mathematics. The students were able to understand the humorous situations depicted in the cartoons using their mathematical knowledge and were capable of developing that knowledge while solving the problems. The students wrote well developed texts based on the images presented, mobilizing their mathematical knowledge to understand the humour. The answers reveal students’ ability to combine their native language and mathematical language.
- Implementação de um programa de treino de competências sociais no âmbito da prevenção de atitudes (anti)sociais em jovens adolescentesPublication . Correia, Sandra Maria Lopes; Fonseca, Susana; Amante, Maria JoãoA literatura tem evidenciado os programas de treino como uma importante estratégia para o desenvolvimento das competências sociais. Estes programas destinam-se prioritariamente a proporcionar um conjunto de experiências que, não tendo ocorrido naturalmente ao longo do ciclo vital, torna-se necessário ensinar ou desenvolver. O presente trabalho aborda a problemática dos comportamentos de risco nos adolescentes e a sua prevenção, sendo que o seu objetivo visou a implementação de um programa de Treino de Competências Sociais numa Associação do concelho de Viseu, com um grupo de jovens adolescentes, com idades compreendidas entre os quinze e os dezoito anos. Antes e após a implementação do programa procedeu-se à aplicação de um questionário adaptado por Matos (2011), que permitiu avaliar a eficácia da implementação do programa. Os dados recolhidos foram analisados recorrendo ao programa estatístico Statistical Package for Social Sciences (SPSS versão IBM 23). Desta forma a frequência dos jovens neste programa contribuiu para a promoção das suas competências pessoais e sociais, proporcionando-lhes um desenvolvimento positivo nas relações que estabelecem com os outros e consigo próprio.
- Manual de boas práticas em análise sensorialPublication . Carmo, Jéssica Lopes do; Correia, Paula; Guiné, RaquelA análise sensorial é a ciência relativa ao exame das características organoléticas de um produto, através dos sentidos do ser humano. Desta forma, revela-se muito importante, pois permite às empresas obter informações relevantes, em relação aos seus produtos, com vista à aceitação dos mesmos pelo consumidor, que está cada vez mais informado, e, por conseguinte, mais exigente. Torna-se também essencial no controlo do processamento dos produtos alimentares, garantindo que todas as características organoléticas de um produto são mantidas ao longo do mesmo. Uma vez que existem inúmeras empresas do setor alimentar, é importante que as mesmas utilizem a análise sensorial, auxiliando-as no desenvolvimento, melhoramento e reformulação dos seus produtos, de forma a conseguirem competir com a concorrência. O objetivo desta dissertação foi reunir informação, de forma a elaborar um manual de boas práticas em análise sensorial, que seja de fácil leitura e compreensão, para que possa servir de guia a quem queira obter informações sobre o tema. Assim, foi reunida informação sobre alguns temas que se consideraram mais relevantes, tais como: a explicação do termo “análise sensorial”, bem como a sua importância na atualidade, o mecanismo de funcionamento dos sentidos humanos, os fatores que podem afetar as reações sensoriais, as características de uma sala de prova, as regras básicas para a preparação e apresentação de amostras, o processo de seleção, recrutamento e treino de provadores, os tipos de provadores e de testes sensoriais existentes, e, por fim, a relação que existe entre estes mesmos testes sensoriais e as metodologias estatísticas, permitindo a compreensão da forma como os mesmos são aplicados em situações reais.
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