26 resultados para Performer operístico
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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Pós-graduação em Música - IA
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Pós-graduação em Artes - IA
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Pós-graduação em Artes - IA
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A set of constraints on the performance of motor skills is a determinant factor of success in many sport modalities that require from the athlete continuous adaptation to changes in the game context. Taking into account Newell's model of organism (or performer), task and environmental constraints in the acquisition of motor skills (NEWELL, 1986), the focus of this study is the set of changes that take place in motor behavior from the beginner to the high level athlete. In specific, the focus is toward changes in sports settings in which the ball is the center of the game, responsible for the relationship among athletes of the same team as well as between opponents, as in volleyball. The ball, in its trajectory, carries on a set of constraints to the player's behavior. To be able of imposing constraints on the opponent's behavior is so important as to know how to deal with a ball sent to you by the opponent in an unpredictable trajectory.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Several statistical models can be used for assessing genotype X environment interaction (GEI) and studying genotypic stability. The objectives of this research were to show how (i) to use Bayesian methodology for computing Shukla's phenotypic stability variance and (ii) to incorporate prior information on the parameters for better estimation. Potato [Solanum tuberosum subsp. andigenum (Juz. & Bukasov) Hawkes], wheat (Triticum aestivum L.), and maize (Zea mays L.) multi environment trials (MET) were used for illustrating the application of the Bayes paradigm. The potato trial included 15 genotypes, but prior information for just three genotypes was used. The wheat trial used prior information on all 10 genotypes included in the trial, whereas for the maize trial, noninformative priors for the nine genotypes was used. Concerning the posterior distribution of the genotypic means, the maize MET with 20 sites gave less disperse posterior distributions of the genotypic means than did the posterior distribution of the genotypic means of the other METs, which included fewer environments. The Bayesian approach allows use of other statistical strategies such as the normal truncated distribution (used in this study). When analyzing grain yield, a lower bound of zero and an upper bound set by the researcher's experience can be used. The Bayesian paradigm offers plant breeders the possibility of computing the probability of a genotype being the best performer. The results of this study show that although some genotypes may have a very low probability of being the best in all sites, they have a relatively good chance of being among the five highest yielding genotypes.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Educação - IBRC
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Pós-graduação em Música - IA
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Pós-graduação em Ciência Animal - FMVA
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Pós-graduação em Música - IA
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)