984 resultados para The Boards of Class and Serie


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Mode of access: Internet.

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O presente trabalho enfoca um dos colegiados mais tradicionais das escolas públicas no Estado de São Paulo: os Conselhos de Classe e Série. Concebidos para serem espaços de avaliação coletiva com potencial para propiciar a construção ou re-construção da Proposta Pedagógica, foram reduzidos, na prática, a meros rituais burocráticos, à medida que muitas escolas desconsideram a exigência legal que determina a participação dos alunos em suas instâncias. O estudo teve por objetivo a identificação e a análise dos fatores que interferem direta e indiretamente na implementação da participação dos alunos e seus pais nestes colegiados. De natureza empírica, a pesquisa apóia-se nas análises de Maurício Tragtemberg, para quem a escola funciona como centro de reprodução das relações de produção, à medida que seleciona os alunos através do que denomina pedagogia burocrática . Concentrou-se numa das escolas que incluíram efetivamente alunos e pais nos Conselhos de Classe e Série, confrontando, durante o processo, os conflitos inerentes à estrutura burocrática da instituição escolar. Constatamos que as práticas da maioria dos professores da escola pesquisada mantêm-se permeadas pelas representações tradicionais de cunho patrimonialista, no sentido apontado por Weber, em contradição ao esforço da equipe de direção em aprofundar a participação dos alunos e seus pais nos colegiados. As representações tradicionais convivem e integram-se à estrutura burocrática da escola pública, constituindo-se num dos principais obstáculos à efetiva participação. Optamos pela observação participante, em virtude de nossa dupla inserção nesse processo: tanto através da docência em escola pública da rede estadual, quanto do exercício de um cargo de especialista no âmbito da Diretoria de Ensino procedimento metodológico que nos permitiu dispor de dados de várias escolas, possibilitando o estabelecimento de algumas comparações pertinentes para o estudo proposto.(AU)

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O presente trabalho enfoca um dos colegiados mais tradicionais das escolas públicas no Estado de São Paulo: os Conselhos de Classe e Série. Concebidos para serem espaços de avaliação coletiva com potencial para propiciar a construção ou re-construção da Proposta Pedagógica, foram reduzidos, na prática, a meros rituais burocráticos, à medida que muitas escolas desconsideram a exigência legal que determina a participação dos alunos em suas instâncias. O estudo teve por objetivo a identificação e a análise dos fatores que interferem direta e indiretamente na implementação da participação dos alunos e seus pais nestes colegiados. De natureza empírica, a pesquisa apóia-se nas análises de Maurício Tragtemberg, para quem a escola funciona como centro de reprodução das relações de produção, à medida que seleciona os alunos através do que denomina pedagogia burocrática . Concentrou-se numa das escolas que incluíram efetivamente alunos e pais nos Conselhos de Classe e Série, confrontando, durante o processo, os conflitos inerentes à estrutura burocrática da instituição escolar. Constatamos que as práticas da maioria dos professores da escola pesquisada mantêm-se permeadas pelas representações tradicionais de cunho patrimonialista, no sentido apontado por Weber, em contradição ao esforço da equipe de direção em aprofundar a participação dos alunos e seus pais nos colegiados. As representações tradicionais convivem e integram-se à estrutura burocrática da escola pública, constituindo-se num dos principais obstáculos à efetiva participação. Optamos pela observação participante, em virtude de nossa dupla inserção nesse processo: tanto através da docência em escola pública da rede estadual, quanto do exercício de um cargo de especialista no âmbito da Diretoria de Ensino procedimento metodológico que nos permitiu dispor de dados de várias escolas, possibilitando o estabelecimento de algumas comparações pertinentes para o estudo proposto.(AU)

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O presente trabalho enfoca um dos colegiados mais tradicionais das escolas públicas no Estado de São Paulo: os Conselhos de Classe e Série. Concebidos para serem espaços de avaliação coletiva com potencial para propiciar a construção ou re-construção da Proposta Pedagógica, foram reduzidos, na prática, a meros rituais burocráticos, à medida que muitas escolas desconsideram a exigência legal que determina a participação dos alunos em suas instâncias. O estudo teve por objetivo a identificação e a análise dos fatores que interferem direta e indiretamente na implementação da participação dos alunos e seus pais nestes colegiados. De natureza empírica, a pesquisa apóia-se nas análises de Maurício Tragtemberg, para quem a escola funciona como centro de reprodução das relações de produção, à medida que seleciona os alunos através do que denomina pedagogia burocrática . Concentrou-se numa das escolas que incluíram efetivamente alunos e pais nos Conselhos de Classe e Série, confrontando, durante o processo, os conflitos inerentes à estrutura burocrática da instituição escolar. Constatamos que as práticas da maioria dos professores da escola pesquisada mantêm-se permeadas pelas representações tradicionais de cunho patrimonialista, no sentido apontado por Weber, em contradição ao esforço da equipe de direção em aprofundar a participação dos alunos e seus pais nos colegiados. As representações tradicionais convivem e integram-se à estrutura burocrática da escola pública, constituindo-se num dos principais obstáculos à efetiva participação. Optamos pela observação participante, em virtude de nossa dupla inserção nesse processo: tanto através da docência em escola pública da rede estadual, quanto do exercício de um cargo de especialista no âmbito da Diretoria de Ensino procedimento metodológico que nos permitiu dispor de dados de várias escolas, possibilitando o estabelecimento de algumas comparações pertinentes para o estudo proposto.(AU)

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Introduction: The purpose of this study was to compare the occlusal outcomes and the efficiency of 1-phase and 2-phase treatment protocols in Class II Division 1 malocclusions. Treatment efficiency was defined as a change in the occlusal characteristics in a shorter treatment time. Methods: Class II Division 1 subjects ( n = 139) were divided into 2 groups according to the treatment protocol for Class II correction. Group 1 comprised 78 patients treated with a 1-phase treatment protocol at initial and final mean ages of 12.51 and 14.68 years. Group 2 comprised 61 patients treated with a 2-phase treatment protocol at initial and final mean ages of 11.21 and 14.70 years. Lateral cephalometric radiographs were taken at the pretreatment stage to evaluate morphological differences in the groups. The initial and final study models of the patients were evaluated by using the peer assessment rating index. Chi-square tests were used to test for differences between the 2 groups for categorical variables. Variables regarding occlusal results were compared by using independent t tests. A linear regression analysis was completed, with total treatment time as the dependent variable, to identify clinical factors that predict treatment length for patients with Class II malocclusions. Results: Similar occlusal outcomes were obtained between the 1-phase and the 2-phase treatment protocols, but the duration of treatment was significantly shorter in the 1-phase treatment protocol group. Conclusions: Treatment of Class II Division 1 malocclusions is more efficient with the 1-phase than the 2-phase treatment protocol.

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We consider two–sided many–to–many matching markets in which each worker may work for multiple firms and each firm may hire multiple workers. We study individual and group manipulations in centralized markets that employ (pairwise) stable mechanisms and that require participants to submit rank order lists of agents on the other side of the market. We are interested in simple preference manipulations that have been reported and studied in empirical and theoretical work: truncation strategies, which are the lists obtained by removing a tail of least preferred partners from a preference list, and the more general dropping strategies, which are the lists obtained by only removing partners from a preference list (i.e., no reshuffling). We study when truncation / dropping strategies are exhaustive for a group of agents on the same side of the market, i.e., when each match resulting from preference manipulations can be replicated or improved upon by some truncation / dropping strategies. We prove that for each stable mechanism, truncation strategies are exhaustive for each agent with quota 1 (Theorem 1). We show that this result cannot be extended neither to group manipulations (even when all quotas equal 1 – Example 1), nor to individual manipulations when the agent’s quota is larger than 1 (even when all other agents’ quotas equal 1 – Example 2). Finally, we prove that for each stable mechanism, dropping strategies are exhaustive for each group of agents on the same side of the market (Theorem 2), i.e., independently of the quotas.

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The purpose of this investigation was to compare the dentoalveolar and skeletal cephalometric changes produced by the Frankel (FR-2) and bionator appliances in persons with Class 11 malocclusion. Lateral cephalograms were available for 66 patients of both sexes, who were divided into 3 groups of 22. The control group included untreated Class 11 children, with an initial mean age of 8 years 7 months; they were followed without treatment for 13 months. The FR-2 appliance group had an initial mean age of 9 years; those children were treated for a mean period of 17 months. The bionator group initially had a mean age of 10 years 8 months; on average, they were treated for 16 months. The results demonstrated no significant changes in maxillary growth during the evaluation period. Both appliances showed statistically significant increases in mandibular growth and mandibular protrusion, with greater increases in patients treated in the bionator group. Both experimental groups showed an improvement in the maxillomandibular relationship. There were no significant changes in growth direction, while the bionator group had a greater increase in posterior facial height. Both appliances produced similar labial tipping and protrusion of the lower incisors, lingual inclination, retrusion of the upper incisors, and a significant increase in mandibular posterior dentoalveolar height. The major treatment effects of bionator and FR-2 appliances were dentoalveolar, with a smaller, but significant, skeletal effect.

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This paper investigates properties of integer programming models for a class of production planning problems. The models are developed within a decision support system to advise a sales team of the products on which to focus their efforts in gaining new orders in the short term. The products generally require processing on several manufacturing cells and involve precedence relationships. The cells are already (partially) committed with products for stock and to satisfy existing orders and therefore only the residual capacities of each cell in each time period of the planning horizon are considered. The determination of production recommendations to the sales team that make use of residual capacities is a nontrivial optimization problem. Solving such models is computationally demanding and techniques for speeding up solution times are highly desirable. An integer programming model is developed and various preprocessing techniques are investigated and evaluated. In addition, a number of cutting plane approaches have been applied. The performance of these approaches which are both general and application specific is examined.

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Background: The purpose of this study was to histologically evaluate the healing of surgically created Class II furcation defects treated using an autogenous bone (AB) graft with or without a calcium sulfate (CS) barrier. Methods: The second, third, and fourth mandibular premolars (P2, P3, and P4) of six mongrel dogs were used in this study. Class II furcation defects (5 mm in height × 2 mm in depth) were surgically created and immediately treated. Teeth were randomly divided into three groups: group C (control), in which the defect was filled with blood clot; group AB, in which the defect was filled with AB graft; and group AB/CS, in which the defect was filled with AB graft and covered by a CS barrier. Elaps were repositioned to cover all defects. The animals were euthanized 90 days post-surgery. Mesio-distal serial sections were obtained and stained with either hematoxylin and eosin or Masson's trichrome. Histometric, using image-analysis software, and histologic analyses were performed. Linear and area measurements of periodontal healing were evaluated and calculated as a percentage of the original defect. Percentage data were transformed into arccosine for statistical analysis (analysis of variance; P<0.05). Results: Periodontal regeneration in the three groups was similar. Regeneration of bone and connective tissue in the furcation defects was incomplete in most of the specimens. Statistically significant differences were not found in any of the evaluated parameters among the groups. Conclusion: Periodontal healing was similar using surgical debridement alone, AB graft, or AB graft with a CS barrier in the treatment of Class II furcation defects.

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OBJECTIVE: The purpose of the study was to evaluate the influence of the skeletal maturation in the mandibular and dentoalveolar growth and development during the Class II, division 1, malocclusion correction with Balters bionator. METHODS: Three groups of children with Class II, division 1, malocclusion were evaluated. Two of them were treated for one year with the bionator of Balters appliance in different skeletal ages (Group 1: 6 children, 7 to 8 years old and Group 2: 10 children, 9 to 10 years old) and the other one was followed without treatment (Control Group: 7 children, 8 to 9 years old). Lateral 45 degree cephalometric radiographs were used for the evaluation of the mandibular growth and dentoalveolar development. Tantalum metallic implants were used as fixed and stable references for radiograph superimposition and data acquisition. Student's t test was used in the statistical analysis of the displacement of the points in the condyle, ramus, mandibular base and dental points. Analysis of variance one-fixed criteria was used to evaluate group differences (95% of level of significance). RESULTS: The intragroup evaluation showed that all groups present significant skeletal growth for all points analyzed (1.2 to 3.7 mm), but in an intergroup comparison, the increment of the mandibular growth in the condyle, ramus and mandibular base were not statically different. For the dentoalveolar modifications, the less mature children showed greater labial inclination of the lower incisors (1.86 mm) and the most mature children showed greater first permanent molar extrusion (4.8 mm).