959 resultados para Single-grade classes


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Relatório da Prática de Ensino Supervisionada, Ensino de Filosofia, Universidade de Lisboa, 2014

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Trabalho de projeto de mestrado, Educação (Área de especialização em Educação e Tecnologias Digitais), Universidade de Lisboa, Instituto de Educação, 2014

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Dissertação apresentada à Escola Superior de Educação de Lisboa para obtenção de grau de mestre em Didáticas Integradas em Língua Portuguesa, Matemática, Ciências Naturais e Sociais

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OBJECTIVE: As universal screening of hypertension performs poorly in childhood, targeted screening to children at higher risk of hypertension has been proposed. Our goal was to assess the performance of combined parental history of hypertension and overweight/obesity to identify children with hypertension. We estimated the sensitivity, specificity, negative and positive predictive values of overweight/obesity and parental history of hypertension for the identification of hypertension in children. DESIGN AND METHOD: We analyzed data from a school-based cross-sectional study including 5207 children aged 10 to 14 years from all public 6th grade classes in the canton of Vaud, Switzerland. Blood pressure was measured with a clinically validated oscillometric automated device over up to three visits separated by one week. Children had hypertension if they had sustained elevated blood pressure over the three visits. Parents were interviewed about their history of hypertension. RESULTS: The prevalence of hypertension was 2.2%. 14% of children were overweight or obese and 20% had a positive history of hypertension in either or both parents. 30% of children had either or both conditions. After accounting for several potential confounding factors, parental history of hypertension (odds ratio (OR): 2.6; 95% confidence interval (CI): 1.8-4.0), overweight excluding obesity (OR: 2.5; 95% CI: 1.5-4.2) and obesity (OR: 10.1; 95% CI: 6.0-17.0) were associated with hypertension in children. Considered in isolation, the sensitivity and positive predictive values of parental history of hypertension (respectively 41% and 5%) or overweight/obesity (respectively 43% and 7%) were relatively low. Nevertheless, considered together, the sensitivity of targeted screening in children with either overweight/obesity or paternal history of hypertension was higher (65%) but the positive predictive value remained low (5%). The negative predictive value was systematically high. CONCLUSIONS: Restricting screening of hypertension to children with either overweight/obesity or with hypertensive parents would substantially limit the proportion of children to screen (30%) and allow the identification of a relatively large proportion (65%) of hypertensive cases. That could be a valuable alternative to universal screening.

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Les études des effets de l’activité physique sur la cognition humaine et animale ne permettent pas de clarifier si ces effets sont spécifiques au type d’exercice pratiqué et si les gains cognitifs pour un cerveau en développement sont globaux ou exclusifs à certaines fonctions cognitives. Considérant le circuit nerveux entre le cervelet et le cortex préfrontal dorsolatéral, nous croyons qu’un entraînement neuromoteur stimulant les fonctions motrices du cervelet améliorera les fonctions exécutives associées au cortex préfrontal. Comme l’entraînement aérobie a affecté positivement différentes fonctions cognitives dans des études précédentes, nous croyons que ce type d’exercice améliorera les fonctions exécutives et la mémoire à long-terme. Trois classes de sixième année (âge moyen = 11,4 ans) ont été aléatoirement assignées aux groupes neuromoteur (n=22), aérobie (n=19) et contrôle (n=15). Nous nous sommes assurés que l’entraînement neuromoteur ne stimulait aucunement la capacité aérobie et que l’entraînement aérobie n’améliorait aucune habileté motrice. Les entraînements pour les deux groupes expérimentaux consistaient en 30 minutes d’activités par jour d’école pendant les heures de classe, pour 10 semaines ; le groupe contrôle suivait le programme scolaire régulier. Des tests moteurs et cognitifs ont été administrés avant et après l’intervention. Une série d’ANOVAs a révélé que l’entraînement neuromoteur avait amélioré la fluence verbale avec un effet marginal sur la génération de verbe, deux fonctions exécutives associées au circuit fronto-cérébelleux, et que l’entraînement aérobie avait mené à une amélioration distincte de la fluence verbale. Ainsi, nos résultats démontrent que les améliorations des fonctions exécutives sont spécifiques à chaque entraînement pratiqué.

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La présente étude avait pour objectif de décrire comment est enseignée (si elle l’est effectivement) la distinction d’emploi entre le passé composé et l’imparfait, une distinction aspectuelle posant problème aux apprenants du français langue seconde, dans trois classes de 3e à 5e années en immersion française précoce aux Territoires du Nord-Ouest et de décrire l’utilisation que font les enseignantes de ces temps verbaux. À partir de dix-neuf heures d’observation en classe et d’entretiens menés avec deux enseignantes, nous avons élaboré une proposition didactique basée sur la réflexion guidée avec exemples positifs et négatifs de Nadeau et Fisher (2006) mettant en évidence le contraste d’emploi entre le passé composé et l’imparfait. Cette proposition didactique fournit aux enseignantes une façon de l’enseigner alors qu’elles ne le font pas à ces niveaux, et aux apprenants, un intrant où la fréquence des emplois atypiques est plus grande que dans le discours de leur enseignante.

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The present work has as aim to analyze the reorganization process of the rural education in Jardim de Piranhas-RN, on the context of the education policies, in particular of the period of 1999-2006, having as reference the transformations in the political, cultural and socio-economic setting in the national, regional and local level, above all from the decade of 1990. The studies carried out in diverse sources made possible to understand from the context in which they had developed the education policies, in particular, that one directed for the rural way, as well as the mediation of this with the education reorganization in the local scope. Besides these research procedures, we carry out interviews - semi-structuralized - with managers and teachers, and we analyze documents from the produced ones in national level to those local ones. From the viewpoint theoretician-methodological, we focus the national discussion that comes developing under a new ideological political configuration and, being entitled by the Field Education, understood as a policy directed to education specifities in this sector and consolidated in the Operational Guidelines for the Basic Education in the Field Schools (CNE/MEC/2002). As particularity of this object in Jardim de Piranhas-RN, we emphasize events occurred that had marked the rural education reorganization in that city, especially from the creation of the Rural Education named Center Teacher Maria Edite Batista. Studies make possible to realize that until the Center creation, the schools functioned in rather precarious infrastructure and physical conditions, that is, without electric energy and water supplying, as well as the lack of school snack and the management structure. There was not a project or specific pedagogical accompaniment for the sector. Moreover, the teachers worked predominantly with several grade classes and still they fulfilled the manager functions, caretakers, and cook- in some cases as school secretary. However, exactly with the creation of the Rural Education Center, the education municipal system did not become capable to overcome problems as of the evasion and school failure, as well as decreasing the work overload of teachers, neither to give greater consistency to the pedagogical project of the field schools in that city

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Ciências da Motricidade - IBRC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The present study has as its main purpose the investigation of teachers'view concerning the teaching and learning of basketball in Physical Education classes in a school setting. The selected teachers who participated in this survey come from public and private institutions in the city of Volta Redonda, RJ, Brazil, teaching 6th-9th grade classes of elementary school. This was a quantitative and qualitative study with content analysis. Data collection included interviewing 60 teachers who provided their opinions on the issue investigated. Development of basketball was investigated not only as a content for the Physical Education classes, but also as a dimension that goes beyond school boundaries, where that sport plays an important role in society. Joint actions to provide the opportunity for basketball to grow as a content for Physical Education classes may represent a way to describe its implementation in all contexts, although the importance of this discipline in the school setting should not be disregarded in favor of obtaining results in sports competitions.

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The purpose of this study was to identify the smoking prevalence among high school students in rural areas of Thailand and the factors associated with their smoking habits. The sample population was comprised of 946 volunteer students of both sexes enrolled in the twelfth grade classes of the 1981-82 school year in randomly chosen regional public high schools throughout the country. Data were obtained from a formal self-administered questionnaire survey. The comparisons were treated by classified smoking habits as "non-smoker," "trier," "ex-smoker," and "smoker."^ The study presented the low rate of cigarette smoking habits among female students, compared to male students. Significant differences of smoking-related habits were found among those who had exemplar models for smoking habits; fathers, siblings and peers were their reference groups. Parental approval was found to be a significant factor associated with students' smoking habits. The awareness of health hazards, the perceptions of the influence of cigarette advertisement, and the attitudes toward the concerns of government in cigarette manufacturing were also factors associated with cigarette smoking habits of high school subjects. ^

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Relatório de estágio apresentado para a obtenção do grau de mestre em Ensino do 1º e do 2º ciclo do ensino básico

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Sequences of cloned resistance genes from a wide range of plant taxa reveal significant similarities in sequence homology and structural motifs. This is observed among genes conferring resistance to viral, bacterial, and fungal pathogens. In this study, oligonucleotide primers designed for conserved sequences from coding regions of disease resistance genes N (tobacco), RPS2 (Arabidopsis) and L6 (flax) were used to amplify related sequences from soybean [Glycine max (L.) Merr.]. Sequencing of amplification products indicated that at least nine classes of resistance gene analogs (RGAs) were detected. Genetic mapping of members of these classes located them to eight different linkage groups. Several RGA loci mapped near known resistance genes. A bacterial artificial chromosome library of soybean DNA was screened using primers and probes specific for eight RGA classes and clones were identified containing sequences unique to seven classes. Individual bacterial artificial chromosomes contained 2-10 members of single RGA classes. Clustering and sequence similarity of members of RGA classes suggests a common process in their evolution. Our data indicate that it may be possible to use sequence homologies from conserved motifs of cloned resistance genes to identify candidate resistance loci from widely diverse plant taxa.