Browsing by Issue Date, starting with "2013-03-08"

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Efeito Aharonov-Bohm sem interação com a fronteira do solenóide
(Universidade Federal de São Carlos, 2013-03-08)
Romano, Renan Gambale
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Oliveira, César Rogério de
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https://lattes.cnpq.br/5485204156806697
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https://lattes.cnpq.br/2317413965575635
One of the biggest problem in the mathematical modeling of the Aharonov- Bohm Effect is the interaction between the electron and the solenoid border. Such interaction translates into boundary conditions on that border, which causes great ambiguity because in principle it is not clear what the most appropriate choice. In quantum mechanics this conditions represent self-adjoint extensions of the Schrödinger operator of the problem. On the other hand, recent works has demostrated that it is possible to confine quantum particles in certain regions of Rn with magnetic fields sufficientily intense near the border of that region. Mathematically this corresponds to essentially selfadjoint Schrödinger operators, which means exemption from the particle interation with the solenoid border In this work we intend to combine the two situations mentions above to study the Aharonov-Bohm effect in the plane, adding then external magnetic fields and potentials that are suffiently intense in the solenoid border so that the related Schrödinger operator is essentially self-adjoint.
Mecanismos comportamentais e moleculares envolvidos na interação entre as substâncias de abuso e os fatores de risco para o desenvolvimento da dependência
(Universidade Federal de São Carlos, 2013-03-08)
Leão, Rodrigo Molini
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Planeta, Cleopatra da Silva
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https://lattes.cnpq.br/9991437191368026
Tobacco and ethanol are the most used drugs in the world and often co-abused. An important issue in the field of drug abuse research is the characterization of risk factors related to increased vulnerability to drug addiction. In the present study we investigated in rats: a) the effects of exposure to variable stress on nicotine-induced locomotor activation, CREB and ERK activities in the prefrontal cortex, nucleus accumbens and amygdala and nicotine intravenous self-administration; b) whether previous exposure to cocaine could affect nicotine seeking behaviors, and if this phenomenon could be related to alterations in the BDNF, TrkB, DYN, Mi-Opio, NPY and CRFR1 gene expression in the nucleus accumbens; c) whether repeated nicotine treatment could induce anxiety-like behavior, which in turn increases alcohol intake; d) the effect of simultaneous nicotine treatment during the transition to development of alcohol dependence and whether that is mediated by activation of neuronal ensembles in different parts of the brain. We found: the variable stress exposure caused cross sensitization with nicotine, increased the nicotine selfadministration behavior and decreased CREB activity in mesencephalic areas; the pretreatment with cocaine caused sensitization of cocaine motor response, locomotor cross-sensitization with nicotine, and increased motivation to nicotine intake; the pretreatment with nicotine increased the anxiety-like behavior and the motivation to ethanol intake; the simultaneous administration of nicotine and ethanol vapor exposure speed up the escalation of ethanol self-administration, increased the motivation and the compulsivity to ethanol intake and these behaviors could be related to activation of extended amygdala and mesocorticolimbic systems. Our results suggest that additional factors to the drug use such as stress and preexposure to other drug could increase the vulnerability to addiction.
A Filosofia Crítica de Bergson
(Universidade Federal de São Carlos, 2013-03-08)
Mascarenhas, Aristeu Laurêncio Cordeiro
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Marques, Silene Torres
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https://lattes.cnpq.br/4822141288006918
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https://lattes.cnpq.br/9758890809066139
A importância da caracterização do módulo de elasticidade e do amortecimento de refratários por técnica dinâmica
(Universidade Federal de São Carlos, 2013-03-08)
Exposito, Caio Cesar Dente
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Rodrigues, José de Anchieta
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https://lattes.cnpq.br/4000441989868775
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https://lattes.cnpq.br/7830288943074148
This dissertation tries to understand the mechanisms involving damping phenomenon in ceramic refractory materials, using a dynamic technique. Damping proves to be an interesting parameter to analyze thermal shock damage in these sorts of materials. This technique would make possible to compare damping measurements with well-established techniques, such as the determination of modulus of elasticity modulus and modulus of rupture. Furthermore, this study attempts to understand the nonlinear phenomenon in damping and modulus of elasticity that depends on the vibrational amplitude. Aiming to understand how the variation on the vibration amplitude affects the mzasured values of damping and modulus of elasticity and how the nonlinear effect can be used in our advantage and in industrial daily routine, such as determining whether samples are damaged or not without a previous analysis or a standard material for reference. This study also approaches the influence of water in the nonlinear behavior of damping and modulus of elasticity. Thus, it would be possible to establish trustable and standardize procedures to measure those. In addition it would be possible to understand the drying process of ceramic refractory castables.
Óxidos mistos de magnésio e alumínio contendo lítio e cálcio como catalisadores para transesterificação etílica
(Universidade Federal de São Carlos, 2013-03-08)
Castro, Cínthia Soares de
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Assaf, José Mansur
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https://lattes.cnpq.br/9563312407691130
This work deals with the investigation on the production of heterogeneous catalysts of base surface properties applied for ethylic transestérification, aiming the biodiesel production. In the first and second chapters of this thesis, oxide catalysts containing Li were prepared from incipient wet impregnation method on different supports [SÍO2, MgO, Y-AI2O3 and Mg(Al)0 obtained from MgAl hydrotalcite], using optimized calcination conditions. The materials were characterized by XRD, N2 Fisissorption, ICP-OES, SEM, XPS and TPD of C02. The Li+ addition to the catalysts caused morphologic changes, surface area reduction and increased the oxides crystallite size. On the other hand, Li+ caused a steep increase in the oxide reactivities due to the increase in the base sites strength. These materials were evaluated as catalysts in the model transestérification reaction between methyl acetate and ethanol, under mild reaction conditions. The higher the lithium content in the Li/Mg(Al)0 catalysts, the higher the activity and the different studied supports deeply affected their performances for transestérification. The lithium reaction with the supports Y-AI2O3 and SÍO2 led to lithium aluminates and silicates, inactive for reaction. However, Li/MgO and Li/Mg(Al)0 showed to be very active, mainly due to the presence of large amounts of strong base sites (low coordination O2' anions). Li/Mg(Al)0 exhibited conversion even higher than that obtained for Li/MgO. Nevertheless, Li+ leaching was detected in the solution, which resulted in some homogeneous reaction. Indeed, the stability of the Li+ containing catalysts must be improved in order to be able to be used in the biodiesel production. In the third chapter of this thesis, Ca based oxides, namely Ca/MgAl, were synthesized by impregnation of different contents of Ca nitrate onto MgAl hidrotalcita, and followed by calcination. These materials were characterized by XRD, N2 Fisissorption, SEM-EDS and TPD of CO2 revealing that they are mainly comprised of a oxides mixture [CaO + Mg(Al)0] and that the surface CaO is partially hydrated and carbonated. These materials were also evaluated as catalysts in the model transestérification reaction between methyl acetate and ethanol. By increasing the Ca content on the catalysts, the activity is enhanced, probably because of the formation of a highly basic CaO, well dispersed over the support matrix. The Ca/Mg(Al)0 catalysts can be reused for at least 5 batch runs, with low Ca2+ leaching to the solution. Therefore, the Ca/Mg(Al)0 revealed to be promising candidates as heterogeneous catalysts for ethylic biodiesel production.
Escala metacognitiva para idosos: elaboração de itens e análise dos parâmetros psicométricos
(Universidade Federal de São Carlos, 2013-03-08)
França, Alex Bacadini
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Schelini, Patrícia Waltz
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https://lattes.cnpq.br/6185333517392859
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https://lattes.cnpq.br/9529429020135975
New studies and ways of intervening with the elderly population are emerging, given that we now know that aging not necessarily accompanied by cognitive decline. Along with studies on other aspects of aging, the metacognitive processes that coordinate cognitive performance, have begun to acquire importance in the literature over the past four decades. Metacognition represents thoughts and knowledge that individuals have about their own thoughts and cognitive processes. Two of its basic elements are: metacognitive knowledge, characterized by awareness of the processes and skills necessary to perform a given task, and control or cognitive self-regulation, which includes judgment about the effectiveness of the strategies being used and the establishment of new ones. Considering that metacognition facilitates the effective performance of activities and given the lack of Brazilian instruments to measure it, the main objective of the study is the development of a scale for the assessment of metacognition among the elderly and analysis of the validity and accuracy of this scale. The first stage of the study involved the development of the Metacognition Scale - Senior (EMETA-S), for each topic, the participant, must choose from four possible answers, the one that best characterizes him or her. The second stage aimed to investigate evidence of content validity. For this step, the instructions and the 74 original items of the instrument were sent to three experts. The index of agreement resulting from the analysis of the responses of the experts was 68%. The scale was also tested with a sample of 15 participants (60 aged years or over) in verify whether or not the instructions and the items were understandable, which resulted in some changes in the wording of the instructions and items, as well as in the descriptors of the scale, constituting the third stage of the study. A factor analysis performed on the data gathered with a sample of 194 participants revealed the presence of two factors: selfregulation and metacognitive knowledge, accounting for 27.18% of the variance in the responses. After exclusion of items that had factor loadings below 0.30, items misunderstood by participants and items that were highly similar to others items, the final version of the EMETA-S was composed of 27 items, with internal consistency of 0.85. No significant differences were found between the average performance with respect to variables such as gender, education and age of participants. The analysis of the validity and accuracy of the items indicated suitability of the concept initially proposed and good internal consistency of the scale.
Software educacional livre para análise não linear de pórticos planos em estruturas metálicas
(Universidade Federal de São Carlos, 2013-03-10)
Ormonde, Paulo Cavalcante
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Souza, Alex Sander Clemente de
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https://lattes.cnpq.br/3572504605209699
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https://lattes.cnpq.br/1823332342715008
The goal of this work was develop an free educational computation tool that automates the nonlinear geometric analysis (by simple and approximate methods), the design and classification based on displacement for planar frames. The classification is made by simple method (B1 and B2) give in the NBR8800:2008, that define the structures in lower, median and high displacement. The Knowledge of the displacement classification will provide the type of analysis and nonlinearities to consider. The free source code allows the continuation of the project and the emergence of new research related to the topic.The development of this tool with a graphical and iterative interface wrote in Object-Pascal language will turn the analysis process more practical to educational or professional works. The use of this tool in steel structures contents of civil engineer courses and the knowledge of the type of analysis that must be use, from the displacement classification, are the results. Through educational parameters implemented in this computational tool, we hope to contribute to a better dynamic in the disciplines of design of steel structures in civil engineering courses in Brazil.
Avaliação motora em escolares sob parâmetros da CIFCJ : construção de medida e evidências de validade
(Universidade Federal de São Carlos, 2013-03-10)
Alves, Cristiane Paiva
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Martinez, Claudia Maria Simões
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https://lattes.cnpq.br/2919350721998869
The ICF-CY has components such as body functions and structures, activities and participation and environmental factors that facilitate a holistic look at the individual's health. Research on measures that operationalize still scarce, having been identified in national and international literature review just such a study. This research aims to contribute towards the area, and their goal was to develop a measurement tool based on the components of the ICF-CY to evaluate the motor performance of children 7 years old.. The theoretical construction of the instrument and its validity evidence were conducted through five stages, namely: the motors mapping exams with the ICF-CY, qualitative evaluation of the Instrument for Motor Evaluation in School - IAM (E), the creation of items, the semantic analysis of the items and construct validity. The tests selected were mapped to the domains of the ICF-CY and their relevance evaluated by six judges; domains that showed concordance index lower than 80% were excluded, and of 39 domains 29 remained. To operationalize the construct was held from the use of the Roadmaps Activities Analysis of the proposed items that contemplate. The construction of the items included the description of evidence and qualifying criteria. Then, we performed a semantic analysis of the instrument; this phase involved the participation of 5 children of 6 years, the lower strata of the population involved items without difficulty. The construct validity was performed by 12 judges and the criteria of relevance of the item to the mark in question were assigned from an agreement of at least 80%, on the representativity of the item in a specific factor. No items were excluded in this phase. Were selected, even, the areas that compose the questionnaires regarding the components structures and body functions and environmental factors. Thus, IAM (E) consists of a questionnaire and a scale with tests motor, comprising all components of the ICF-CY. Despite the lack of studies that guide him a methodology for classification and operationalization of its complexity, the construction of the instrument based on the ICF-CY, complied with the proposed objective. Thus, it was concluded that the theoretical phase of the construction of IAM (E) and proposes to continue the validation study for the use of the instrument can be detected and motor deficits prevent the development of disabilities.
Modelo de regressão de valor extremo para dados agrupados
(Universidade Federal de São Carlos, 2013-03-11)
Santo, Jonatas Silva do Espirito
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Diniz, Carlos Alberto Ribeiro
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https://lattes.cnpq.br/3277371897783194
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https://lattes.cnpq.br/9903742572912763
One of the distributions used to model extremal events is the type I extremevalue distribution (Gumbel distribution). The usual extreme-value regression model requires independent observations. In this work, using generalized linear model (Mc-Cullagh e Nelder, 1989) and generalized estimating equations (Liang e Zeger, 1986), we developed the extreme-value regression model when there are independent clusters formed by dependent variables. The behavior of parameter estimators of the proposed model is studied through Monte Carlo simulations.
Uso da corrente crítica por meio da simulação para o auxílio no processo de planejamento da capacidade em uma fundição
(Universidade Federal de São Carlos, 2013-03-11)
Santos, Fabrício Guermandi dos
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Politano, Paulo Rogério
It is already known that the productive environment is in constant changing, with new technologies, new systems and theories coming up every day, providing other forms to manage production to comply with inconstant demands and a competitive market. In this context, the capacity planning has an important role for a company, managing resources in a structured way with accurate information, ensuring that market requirements will be fulfilled in terms of delivery, cost and quality. The Critical Chain Method is shown as an alternative to change the way that manufacturing resources has been managed, prioritizing what is really important, avoiding waste of time and financial resources. Therefore, the objective of this work was to elaborate a model of discrete-event simulation to evaluate and compare the use of the principles of critical chain, against the traditional capacity planning method used in a foundry. For this assessment were used performance indicators as accomplishment deadlines, work in process, average lead time, etc., where these after being compared, have shown the proposed method could provide positive results to the environment studied.
Análise do efeito da composição química na secagem de pasta em leito de jorro
(Universidade Federal de São Carlos, 2013-03-11)
Nascimento, Bruna de Souza
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Freire, José Teixeira
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https://lattes.cnpq.br/2270677706718167
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https://lattes.cnpq.br/9084263442212447
In the process of paste drying in spouted bed, the paste is submitted to the system, changes in rheological properties occur, a powder is formed and collected by a cyclone. Currently, various pastes have been tested and their chemical composition may indicate the behavior of the process. When it comes to modeling, many challenges are found, mainly the ones related to the incorporation of the pastes in the models. Therefore, this work was developed in order to obtain more detailed information about the drying process of pastes in a spouted bed, considering the effect of their chemical composition. Based on the effects of the presence of pastes, a hybrid CST / Neural model was verified experimentally to describe the heat and mass transfer phenomena. Besides, a neural model capable of predicting variations in the fluid dynamic behavior of the process was proposed. Drying experiments were carried out with water, homogenized egg, propolis, sweet whey, whole milk, skimmed milk, semi-skimmed milk and low lactose content milk in a spouted bed of cylindrical column of 0.5 m of diameter and 1 m of height, inferior conical base (angle of 60°) with an entrance nozzle of 0.03 m of diameter, top cone (angle of 60°) and outlet diameter of 0.05m. Polyethylene particles of 4.38mm were used as the inert part. During the experiments, changes in pressure drop, inlet air temperature, particle bed temperature at three positions axially from the annular region, outlet temperature, temperature of dry and wet bulb at the cyclone exhaust, as well as the moisture of the powder produced and covering formed on the inert particles were determined. From the information obtained, it is clear that the presence of sugar and fat cause different changes in the behavior of the spouted bed, especially when it comes to relative moisture and pressure drop. Regarding the modeling, the models proposed presented simplicity as for implementation and flexibility to interpolating values. These might be used in the future for other types of pastes by including other input data in the neural network, for example, physical properties of pastes.
Números figurados e as sequências recursivas : uma atividade didática envolvendo números triangulares e quadrados
(Universidade Federal de São Carlos, 2013-03-11)
Chiconello, Luis Alexandre
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Paterlini, Roberto Ribeiro
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https://lattes.cnpq.br/6240750958932738
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https://lattes.cnpq.br/7275458905939344
The shortage of activities regarding recursive defined sequences, allied to the importance of this theme to young students has been contested in at least twenty years of experience teaching Mathematics. The elaboration of a learning product, in a form of sheets of activities which gradually lead the student to the understanding of the concept of recursion, the pattern recognition, conjectures tests and formulas acquisition, could be inferred by the application of these sheets of activities in two high school classrooms in a technical state school. The data attained from these activities applications were analyzed and compared to the previously formed hypothesis (previous analysis) which were formed during the elaboration of the sheets of activities. The investigation method used was the Didactical Engineering. The students did the activities in groups of two or three students .They were participative and felt challenged in doing every step (lessons) proposed in the sheets. It was verified that the teaching material developed works, as it reached its main goals, the biggest one, the students learning. It is believed that the material developed may be useful to other teachers who may wish to develop the theme proposed in their classrooms, even adapting them to their students needs. This work brought to this author a great profession evolution which began with the theme choice, passed through the development of the material, the application in the classes and finally in the reflection of everything that was done and that is recorded in these notes.
Conectadas: uma análise de práticas de ajuda mútua feminina na era das mídias digitais
(Universidade Federal de São Carlos, 2013-03-11)
Facioli, Lara Roberta Rodrigues
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Escudeiro, Richard Miskolci
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https://lattes.cnpq.br/1623888309974862
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https://lattes.cnpq.br/0342941917131063
The present work focus on investigating processes of subjectivity in contemporary self-help speeches aiming the female audience, which when penetrating the network through a specific form of using digital media, they become practical mutual help. To achieve this goal, I established three main lines of research, which I will discuss through a ethnographic method: the website Bolsa de Mulher, with its discussion forums, advertisements and products sales and the group created by the users on Facebook, the lines among users within that platform, their life stories and experiences both with the internet and the self-help speech; finally, some books of this genre, most cited by my collaborators and some of the best selling in recent years, in Brazil. I discuss a theoretical framework that examines issues of subjectivity through the use of digital media as well as one that addresses a perspective of intersectionality of class differences, gender, sexuality, race, religion, all markers crossing such use. Last but not least, I problematize and bring into discussion the sociological debate around the so-called New Class C, public that composes this research and has specific characteristics regarding the use of digital media and the dynamics of mutual help, in Brazil.
Estudo das propriedades estruturais dos catalisadores de Cu e Cu-Ce suportados em alumina aplicados à reação de deslocamento gás-água
(Universidade Federal de São Carlos, 2013-03-12)
Caldas, Paula Cristina de Paula
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Bueno, José Maria Corrêa
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https://lattes.cnpq.br/0157452280626031
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https://lattes.cnpq.br/3466253594165485
Particle size effect and Ce addition on the catalytic properties of Cu/Al2O3catalysts were investigated for the water gas shift reaction (WGS). The catalysts were prepared by dry impregnation of an aqueous solution of nitrates of the respective metals on alumina, synthesized by sol-gel method. Samples were prepared with 5, 10 and 15% w/w of metallic copper and 12% w/w of CeO2. The catalysts were characterized by X-ray diffraction (XRD), temperature programmed reduction (TPR) spectroscopy, X-ray absorption (XAS). The WGS reaction was performed with reagents ratio of H2O:CO = 1:3 with temperature range from 200 to 350° C. The crystallites CuO were not detected by XRD. As the Cu content increased, the crystallite size of CeO2 decreased with a fluorite type structure from 7.4 to 3.4 nm. The results of TPR showed that the interaction Cu-O-Al was crucial to reduce temperature and ceria addition on the catalysts did not affect the temperature reduction of the CuO. The XANES in situ results along the WGS reaction showed that metallic Cu predominated and ceria was partially reduced. EXAFS results showed that the Cu particle size increased from 0.65 to 0.91 nm with an increased load of copper from 5 to 15%, respectively. After the reduction, step prior to reaction, the catalysts were not completely reduced. The degree of reduction increased with the Cu particle size and it was also dependent on the temperature and the oxidation potential of mixing of the reactants. The addition of ceria did not change the degree of reduction of samples Cu/Al2O3. The results suggest that the Cu particles have a reduced Cu core covered with an oxide layer. The catalytic activity increased as the Cu particle size decreased, which can be associated with the presence of the redox couple Cu+/Cu0. This provides a possibility of CO oxidation and its reoxidation due to water activation. The ceria addition also increased catalytic activity and it is probably attributed to activation of the water on the surface of ceria, followed by transfer of oxygen from its structure to the oxidation of CO in an interface Cu-CeO2.
A educação escolar na arena do ciberespaço
(Universidade Federal de São Carlos, 2013-03-12)
Oliveira, Alessandro Eleutério de
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Zuin, Antônio Álvaro Soares
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https://lattes.cnpq.br/5543562307373287
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https://lattes.cnpq.br/3800768997086874
The objective of this study is to examine virtual communities dedicated to the School Education site relationships Orkut. Accordingly, we analyze written statements from teachers and students in order to apprehend the ways in which those involved in the teaching-learning perceive each other. That is, how students express themselves about their teachers, as teachers are manifested on students and how teachers and students are manifested on School Education. The rationale for this research is the need of understanding the ways in which the subjects' school experiences are expressed in cyberspace. The examination of the information contained in written statements made effective border methodological content analysis. Thus, the lucubrations are lit mainly by authors of Critical Theory, as Theodor Adorno and Walter Benjamin, by the confluence of the material collected in virtual communities on topics such as disorientation and semi-formation in contemporary as well as your reflexes in Brazilian School Education. Other authors provide important contributions to the construction of this paper are Richard Sennett, Charles Melman and Zygmunt Bauman. To date, the categories derived from the analysis of the data show the existence of largely negative perceptions of teachers on students, and vice versa, from experiences of these subjects in the teaching-learning process. This occurs in a context of reification and fragmentation of socio-cultural, which damages the formative experience. This process hinders the effectiveness of dialogic praxis, which is fundamental to the success of School Education
Microestrutura e propriedades mecânicas de vitrocerâmicos do sistema Li2O – CaO – SiO2
(Universidade Federal de São Carlos, 2013-03-12)
Santos, Gisele Guimarães dos
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Zanotto, Edgar Dutra
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https://lattes.cnpq.br/1055167132036400
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https://lattes.cnpq.br/0761705816463042
An interesting characteristic of the Li2O-CaO-SiO2 glass-forming system is the possibility of obtaining certain crystalline phases and morphologies that may lead to tough glass-ceramics. However, very few published works investigated this matter. Glass compositions within the range 30-50% CaSiO3 / 70-50% Li2SiO3 were studied to obtain appropriate microstructures. Heat treatments were conducted using the double treatment technique: nucleation at about the glass transition temperature followed by crystal growth within the temperature range 500 and 700°C. These temperatures were selected according to DSC data. The influence of the size, number and morphology of the crystals on certain mechanical properties of the glass-ceramics, such as hardness and indentation toughness, were estimated by Vickers indentation tests. The samples were also characterized by X-ray diffraction to identify the phases present and by MEV to examine the crystal size, percentage and morphology. The best results were obtained with a composition of 44% mol CaSiO3 using the following thermal treatment conditions: 498°C for 24 hours (nucleation) and 700°C for 2 hours (Crystal growth), that led to a glass-ceramic showing a toughness of 1,9 MPa.m1/2.
Desenvolvimento, perícia e poder no rural paulista : o caso do Programa Estadual de Microbacias Hidrográficas
(Universidade Federal de São Carlos, 2013-03-12)
Gameiro, Mariana Bombo Perozzi
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Martins, Rodrigo Constante
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https://lattes.cnpq.br/6617183095074852
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https://lattes.cnpq.br/5015952241455361
This research analyzes the relations established by agents with the expert knowledge in the context of a public policy for rural development, by reconstructing the experiences of those who took part of its processes of formulation and implementation. These processes are often mediated by funding institutions and rural extension agencies. Analyzing social phenomena from the perspective of mediations, and more specifically, from the perspective of expertise, assumes the centrality of power dimensions, the identification of its asymmetries and constant disputes over the construction of views about ruralities. The object of this study is the Land Management III Project (Programa Estadual de Microbacias de São Paulo - PEMH), one of the first public policies with a territorial, decentralized and participative approach for the sustainable rural development of the State of Sao Paulo. This program was partially financed by the World Bank and executed between 2000 and 2008 by the State Secretary of Agriculture, through its rural extension body, the Coordination of Integral Technical Assistance (CATI). The problematization of this research was designed from Anthony Giddens concept of systems experts, from whom we also extracted the notions of reflexivity, agency, time and space. Manuel Castells concepts of space of flows and space of places also assisted in the interpretation, as well as Michel Foucault's formulations on discourse. The field researches required the contributions of Luc Boltanski and Erving Goffman on trust and interaction processes. Techniques of social qualitative research, such as interviews and document analysis, were employed.
Efeitos de variáveis de procedimentos de treino para o estabelecimento do controle contextual de relações condicionais e de equivalência
(Universidade Federal de São Carlos, 2013-03-13)
Castro, Tatiane Carvalho
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Goyos, Antônio Celso de Noronha
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https://lattes.cnpq.br/3407008711535651
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https://lattes.cnpq.br/8320755140772016
Studies about the effects of contextual control over equivalence classes have been conducted since the 1980s and a relevant question in this area, both in terms of experimental and applied research, is whether changes in contextual variables could result in changes in classes originally formed under different contextual variables. This research investigated, in four studies, the effects of procedures for establishing the contextual control of conditional relations and equivalence classes. The participants were undergraduate students. The stimuli used as sample and comparison were abstract figures and the contextual stimuli were represented by the colors of the background on which the stimuli were presented. In Study 1, we conducted a procedure for the formation of equivalence classes on backgrounds of red and blue colors. Later we conducted a test that showed the equivalence relations in the presence of contextual stimuli blue, red and green. The results showed that participants had responses consistent with the last equivalence class trained, independent of contextual stimulus. Study 2 replicated the previous study, but tests also showed baseline relations. The results obtained were similar to Study 1. Study 3, initially, partially replicated the procedure of previous studies, only for conditional relations AB and then tested the effects of a conditional discrimination training procedure interspersing the colors of the background. The results revealed that this procedure was most effective in setting the control contextual than those conducted in Studies 1 and 2. Study 4 investigated the effects of a interpersed training procedure for the establishment of the contextual control of recombined conditional relations. The procedure consisted of six phases. Phase1 was conducted a conditional discrimination training interspersing the colors of the background. In Phase 2, we carried out the test of relations trained in Phase1. In Phase 3, tests were conducted in which trials were included with a green background. Phase 4 included the symetry relations. Phase 5 presented the same relations were tested in Step 4, however the configuration of stimulus presentation on the computer screen was different. Finally, in Step 6, a test aimed to verify the abstraction of responding under contextual control, with new stimulus and background colors. The results suggest that the contextual control was established for some of the participants. Investigations about the baseline relations training, specifically the interspersed training , for establishing the contextual control is required to produce more robust results.
Teatro e sociedade em Rousseau
(Universidade Federal de São Carlos, 2013-03-13)
Monzani, Luiz Henrique Alves de Souza
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Nascimento, Luís Fernandes dos Santos
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https://lattes.cnpq.br/3654785629696808
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https://lattes.cnpq.br/5199031927733175
Carnavalização e linguagem: o futebol como dramatização da sociedade brasileira
(Universidade Federal de São Carlos, 2013-03-13)
Bombonato, Pedro Guilherme Orzari
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Miotello, Valdemir
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https://lattes.cnpq.br/9131819326282708
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https://lattes.cnpq.br/4484872576716366
More than just the most practiced and admired sport in Brazil, soccer is constituted as one of the most important element of our country s culture. And as any manifestation of the culture sphere, this sport overlaps an infinite amount of social and linguistic relations that constitutes it sometimes as an attractive and highly competitive sport (commercially), sometimes as a spectacle, metaphor and metonymy of society. In this sense, it can be seen as a major form of dramatization of Brazilian society, as regards the anthropologist Roberto DaMatta. Taking into account the theories of Mikhail Bakhtin about the concepts of carnivalization, play, aesthetics and ethics, the objective of this work is to search for points of intersection between soccer and art such as building an understanding of the sport as a form of social drama. Therefore, beyond the theoretical, it will take into account the analysis of various types of texts that present this sport as the main focus. Thus, we intent to better understand the cultural and linguistic relations which constitute soccer as a fundamental part of the Brazilian cultural context.