Pensar pedagógicamente, de nuevo, desde el constructivismo

En el presente artículo, continúo con el titulado “Pensar pedagógicamente desde el constructivismo: de las concepciones a las prácticas pedagógicas”, publicado en la Revista de Estudios Sociales de la Universidad de los Andes (1). Allí presentaba las que son para mí las principales concepciones constructivistas y sustentaba que ellas nos permiten a los profesores de cualquier disciplina y nivel educativo cambiar nuestras concepciones tradicionales asociadas con la transmisión del conocimiento. Al hacerlo, los principios constructivistas nos permiten también renovar nuestra visión de lo que es el aprendizaje y cómo ocurre, y crear nuevas prácticas pedagógicas para un mejor aprendizaje crítico en los alumnos. Aquí discuto cómo estas concepciones no han logrado realmente penetrar nuestra práctica pedagógica a ningún nivel, desde los currículos hasta las prácticas de aula, y describo un panorama posible de verdadero uso de principios constructivistas en pedagogía.

The Recognition as a Quality Methodology Proposal in the Learning Process

In the education field, the question for the holistic formation is continuous and controversial. Moreover, with the obvious changes in the global knowledge production, apprehension and transmission, is crucial asking for the role of the education in the changes of the individual toward autonomy and take decisions in relationship with the educational process and the responsibility like a person sharing with knowledge like an issue of social development. In this context, this paper, presents results of an investigation made on 1995, about the recognition value like a methodology proposal of learning quality, for consider their propositions to be in force into an educational structure.

Medical Evaluation Processes in Clinical settings. Qualitative Analysis through the Experience of Teachers and Studens

Evaluation processes in clinical practice have not been well, being their study focused on the technical issues concerning these processes. This study tried an approach to the evaluation processes through the analysis of perceptions from teachers and students about the methodology of evaluation considering the teachinglearning processes performed in a clinical practice of the Medicine Program –Universidad El Bosque from Bogota. With this purpose we conducted interviews with teachers and students searching the manner in which the evaluative, learning and teaching processes are done; then we analyzed the perception from both agents concerning the way these processes are related. The interviews were categorized bath deductively and inductively, and then contrasted with some current theories of learning, teaching and evaluation in medicine. The study showed that nowadays the evaluation and, in general, the educative processes are affected by several factors which are associated to the manner the professional practice is developed, and the educative process of the current teachers. We concluded there is no congrency between the approach of the evaluation, mainly conductivist, and the learning and teaching strategies mainly constructivist. This fact cause dissent in teachers and students.

Efectividad en las redes empresariales

Este estudio tiene como objetivo identificar cuáles son las variables que repercuten en la efectividad de las redes empresariales. Esto, con base en la búsqueda de literatura existente de la efectividad en equipos, en organizaciones y en las redes interorganizacionales, así como el análisis de modelos y estudios empíricos que permitieron el análisis. De acuerdo con la búsqueda, se encontró que variables como la estructura de la red, la estabilidad del sistema, el compromiso de los empleados en cada una de las organizaciones que hacen parte de la red, la confianza dentro de la red, la transferencia de conocimiento y la apertura del sistema son las variables que en conclusión, mostraron ser buenas predictoras de efectividad dentro de las redes empresariales.

Gradient-based reinforcement learning techniques for underwater robotics behavior learning

Darrerament, l'interès pel desenvolupament d'aplicacions amb robots submarins autònoms (AUV) ha crescut de forma considerable. Els AUVs són atractius gràcies al seu tamany i el fet que no necessiten un operador humà per pilotar-los. Tot i això, és impossible comparar, en termes d'eficiència i flexibilitat, l'habilitat d'un pilot humà amb les escasses capacitats operatives que ofereixen els AUVs actuals. L'utilització de AUVs per cobrir grans àrees implica resoldre problemes complexos, especialment si es desitja que el nostre robot reaccioni en temps real a canvis sobtats en les condicions de treball. Per aquestes raons, el desenvolupament de sistemes de control autònom amb l'objectiu de millorar aquestes capacitats ha esdevingut una prioritat. Aquesta tesi tracta sobre el problema de la presa de decisions utilizant AUVs. El treball presentat es centra en l'estudi, disseny i aplicació de comportaments per a AUVs utilitzant tècniques d'aprenentatge per reforç (RL). La contribució principal d'aquesta tesi consisteix en l'aplicació de diverses tècniques de RL per tal de millorar l'autonomia dels robots submarins, amb l'objectiu final de demostrar la viabilitat d'aquests algoritmes per aprendre tasques submarines autònomes en temps real. En RL, el robot intenta maximitzar un reforç escalar obtingut com a conseqüència de la seva interacció amb l'entorn. L'objectiu és trobar una política òptima que relaciona tots els estats possibles amb les accions a executar per a cada estat que maximitzen la suma de reforços totals. Així, aquesta tesi investiga principalment dues tipologies d'algoritmes basats en RL: mètodes basats en funcions de valor (VF) i mètodes basats en el gradient (PG). Els resultats experimentals finals mostren el robot submarí Ictineu en una tasca autònoma real de seguiment de cables submarins. Per portar-la a terme, s'ha dissenyat un algoritme anomenat mètode d'Actor i Crític (AC), fruit de la fusió de mètodes VF amb tècniques de PG.

Studies of dynamics of physical agent ecosystems

This thesis addresses the problem of learning in physical heterogeneous multi-agent systems (MAS) and the analysis of the benefits of using heterogeneous MAS with respect to homogeneous ones. An algorithm is developed for this task; building on a previous work on stability in distributed systems by Tad Hogg and Bernardo Huberman, and combining two phenomena observed in natural systems, task partition and hierarchical dominance. This algorithm is devised for allowing agents to learn which are the best tasks to perform on the basis of each agent's skills and the contribution to the team global performance. Agents learn by interacting with the environment and other teammates, and get rewards from the result of the actions they perform. This algorithm is specially designed for problems where all robots have to co-operate and work simultaneously towards the same goal. One example of such a problem is role distribution in a team of heterogeneous robots that form a soccer team, where all members take decisions and co-operate simultaneously. Soccer offers the possibility of conducting research in MAS, where co-operation plays a very important role in a dynamical and changing environment. For these reasons and the experience of the University of Girona in this domain, soccer has been selected as the test-bed for this research. In the case of soccer, tasks are grouped by means of roles. One of the most interesting features of this algorithm is that it endows MAS with a high adaptability to changes in the environment. It allows the team to perform their tasks, while adapting to the environment. This is studied in several cases, for changes in the environment and in the robot's body. Other features are also analysed, especially a parameter that defines the fitness (biological concept) of each agent in the system, which contributes to performance and team adaptability. The algorithm is applied later to allow agents to learn in teams of homogeneous and heterogeneous robots which roles they have to select, in order to maximise team performance. The teams are compared and the performance is evaluated in the games against three hand-coded teams and against the different homogeneous and heterogeneous teams built in this thesis. This section focuses on the analysis of performance and task partition, in order to study the benefits of heterogeneity in physical MAS. In order to study heterogeneity from a rigorous point of view, a diversity measure is developed building on the hierarchic social entropy defined by Tucker Balch. This is adapted to quantify physical diversity in robot teams. This tool presents very interesting features, as it can be used in the future to design heterogeneous teams on the basis of the knowledge on other teams.

A práxis docente no 1º ano do ensino fundamental : realidades e desafios : um estudo realizado em duas escolas da Rede Pública Municipal de Manaus

Investigar a práxis docente no contexto escolar nos permite uma reflexão sobre os tipos de estruturas de aprendizagem utilizadas na educação e suas implicações para o conhecimento, visto que dentre os aspectos do conceito de práxis que trazem contribuições significativas para a área educacional está a concepção de que a práxis busca o movimento, a transformação e, por isso é essencialmente dinâmica. Esta proposta de investigação aborda especialmente a prática educativa desenvolvida no 1º ano do ensino fundamental, buscando detectar as concepções que a fundamentam no processo de ensino aprendizagem da criança de seis anos que se encontra em estágio inicial de escolarização, caracterizando-se, dessa forma, em uma pesquisa de natureza empírica e de caráter descritivo com uso da abordagem qualiquantitativa. O estudo foi organizado em quatro capítulos: o primeiro faz referência à trajetória do ensino fundamental no Brasil; o segundo é um breve estudo sobre a história e contextos da formação de professores; o terceiro faz uma análise da práxis docente no cotidiano escolar; e o quarto capítulo descreve os motivos que levaram à pesquisa e a metodologia construída para a coleta, análise e discussão dos dados obtidos, permitindo-nos refletir se a práxis docente no primeiro ano do ensino fundamental em escolas da rede pública de Manaus é condizente com o perfil da criança de seis anos.

Educação inclusiva : estratégias utilizadas pelos professores do ensino regular nas turmas de educação inclusiva

A construção de uma escola inclusiva se apresenta como o grande desafio do século vigente. Este trabalho dissertativo teve como objetivos da investigação realizada compreender como as estratégias utilizadas pelos professores em suas práticas educativas, junto aos estudantes com deficiências específicas estão facilitando o processo educativo inclusivo nos anos/séries iniciais do ensino regular fundamental, como objetivo geral e levantar informações sobre os tipos de estratégias que estão sendo indicadas para subsidiar as práticas pedagógicas desenvolvidas por professores do ensino regular, identificar quais as estratégias pedagógicas utilizadas pelos professores do ensino regular que estão favorecendo a aprendizagem dos estudantes com deficiência inclusos no cotidiano de sala de aula, verificar quais as implicações ou obstáculos que estão concorrendo para as situações-problema existentes, na perspectiva do trabalho desenvolvido pelos respectivos docentes e comparar dentre as estratégias pedagógicas que estão sendo trabalhadas pelos professores do ensino regular quais as que apresentam melhores resultados na construção da aprendizagem de estudantes inclusos, como objetivos específicos. O processo investigativo caracterizou-se numa pesquisa de natureza qualitativa e quantitativa, em nível descritivo e explicativo, com base metodológica e científica na entrevista guiada pelo método de Bardin (2010) , na técnica de observação direta em sala de aula, adotando os itens segundo o modelo de Likert para o melhor compilar os dados e preenchimento da ficha de observação e no emprego de questionário, segundo as orientações de Richardson (2009). O cenário escolhido para realização da pesquisa foi uma escola da rede municipal de Jaboatão dos Guararapes, no Estado de Pernambuco, pertencente à Região Nordeste do Brasil, por apresentar um quantitativo significativo de estudantes inclusos, perfazendo um total de 19 estudantes com deficiências diversas, e composta por 12 sujeitos participantes que lecionam em salas de aula inclusivas. Procuramos fundamentar este trabalho com base nos constructos teóricos de autores renomados na seara da educação inclusiva, tais como: Stainback e Stainback (2008), Fonseca (1995), Goffman (2004), Tardif (2008), Beyer (2010), Carvalho (2006 e 2008), Gaio e Meneguetti (2004), Machado (2009), Mantoan (2001, 2006), Pires (2008), Saviani (2005), Angher (2008) entre outros defensores da inclusão. Pode-se observar através dos resultados obtidos as experiências que comprovaram avanços nas aprendizagens dos estudantes inclusos, quando da interação com os demais estudantes, promovendo uma melhor convivência social e educativa respaldada nos princípios e valores de respeito às diferenças e igualdade de condições, de direito e deveres, de participação ativa no processo de construção e de formação da cidadania de todos. Com o suporte de estratégias educacionais, como a contratação de estagiários de apoio, a disponibilização de recursos diversos, e a adoção de concepções de caráter da educação inclusiva apresentadas pelos participantes da pesquisa como elementos facilitadores da aprendizagem. Entretanto, como entraves foram percebidos a falta de formação acadêmica específica dos sujeitos participantes, a inadequação física do prédio escolar, a adoção de uma proposta pedagógica que não contempla os preceitos da educação inclusiva e o não oferecimento do atendimento educacional especializado aos estudantes no recinto escolar nem extraescolar, com profissionais de áreas afins para complemento e suplemento à aprendizagem. Assim verificou-se que o processo de implantação da educação inclusiva que vem sendo desenvolvido pela escola já apresentou respostas favoráveis, porém muito ainda precisa ser feito para minimizar os obstáculos defrontados.

Representações sociais que professores constroem sobre a aprendizagem de alunos numa escola pública inclusiva : um cenário de contradições

Esta dissertação de Mestrado tem por objetivo investigar as representações dos profes-sores sobre a aprendizagem de alunos com deficiência no cotidiano escolar de uma escola inclusiva; as concepções, expectativas, avanços e impasses que permeiam a atuação dos edu-cadores que desenvolvem seu trabalho numa escola pública inclusiva. A base teórica desta pesquisa esteve respaldada na teoria das Representações Sociais e em autores como, Durkheim (1987), Moscovici (1978), Mantoan (2005), Maroja (1998), Emygdio (2011), Sas-saki (1997), Nóvoa (1992), entre outros que ao longo de vários anos vem se preocupando em discutir as representações sociais bem como a temática da inclusão no contexto escolar. A amostra deste estudo foi constituída por oito professoras que trabalham na escola campo de pesquisa, no município de João Pessoa. A coleta de dados foi realizada a partir dos instrumentos de pesquisa como, a observação, o diário de campo, o relato de experiência, a exposição e análise de um filme e a entrevista semi estruturada. As respostas obtidas mostraram que para realizar a educação inclusiva faz-se necessário refletir sobre o conceito, o preconceito, as crenças e concepções acerca da inclusão escolar. Constatamos o desejo de maiores condições de trabalho, no que tange a capacitação, mais recursos pedagógicos e a efetiva participação da família, no processo escolar. Observa-mos ainda, que é impossível trabalhar numa escola inclusiva cultivando o preconceito, a indi-vidualidade, a intolerância e a insensibilidade. Ficou evidente a necessidade de maiores discussões, estudos, ações, espaços adequados para o atendimento especializado e envolvimento de todos os atores da educação para que se efetive de forma satisfatória o processo de inclusão escolar.

Facebook & Blackboard: comparison of learner perspectives

Different systems, different purposes – but how do they compare as learning environments? We undertook a survey of students at the University, asking whether they learned from their use of the systems, whether they made contact with other students through them, and how often they used them. Although it was a small scale survey, the results are quite enlightening and quite surprising. Blackboard is populated with learning material, has all the students on a module signed up to it, a safe environment (in terms of Acceptable Use and some degree of staff monitoring) and provides privacy within the learning group (plus lecturer and relevant support staff). Facebook, on the other hand, has no learning material, only some of the students using the system, and on the face of it, it has the opportunity for slips in privacy and potential bullying because the Acceptable Use policy is more lax than an institutional one, and breaches must be dealt with on an exception basis, when reported. So why do more students find people on their courses through Facebook than Blackboard? And why are up to 50% of students reporting that they have learned from using Facebook? Interviews indicate that students in subjects which use seminars are using Facebook to facilitate working groups – they can set up private groups which give them privacy to discuss ideas in an environment which perceived as safer than Blackboard can provide. No staff interference, unless they choose to invite them in, and the opportunity to select who in the class can engage. The other striking finding is the difference in use between the genders. Males are using blackboard more frequently than females, whilst the reverse is true for Facebook. Interviews suggest that this may have something to do with needing to access lecture notes… Overall, though, it appears that there is little relationship between the time spent engaging with Blackboard and reports that students have learned from it. Because Blackboard is our central repository for notes, any contact is likely to result in some learning. Facebook, however, shows a clear relationship between frequency of use and perception of learning – and our students post frequently to Facebook. Whilst much of this is probably trivia and social chit chat, the educational elements of it are, de facto, contructivist in nature. Further questions need to be answered - Is the reason the students learn from Facebook because they are creating content which others will see and comment on? Is it because they can engage in a dialogue, without the risk of interruption by others?

Negative correlations between control performance and verbalizable knowledge: indicators for implicit learning in process control tasks?

Negative correlations between task performance in dynamic control tasks and verbalizable knowledge, as assessed by a post-task questionnaire, have been interpreted as dissociations that indicate two antagonistic modes of learning, one being “explicit”, the other “implicit”. This paper views the control tasks as finite-state automata and offers an alternative interpretation of these negative correlations. It is argued that “good controllers” observe fewer different state transitions and, consequently, can answer fewer post-task questions about system transitions than can “bad controllers”. Two experiments demonstrate the validity of the argument by showing the predicted negative relationship between control performance and the number of explored state transitions, and the predicted positive relationship between the number of explored state transitions and questionnaire scores. However, the experiments also elucidate important boundary conditions for the critical effects. We discuss the implications of these findings, and of other problems arising from the process control paradigm, for conclusions about implicit versus explicit learning processes.

Stages of organizational transformation in transition economies: A dynamic capabilities approach

How do organizations previously dominated by the state develop dynamic capabilities that would support their growth in a competitive market economy? We develop a theoretical framework of organizational transformation that explains the processes by which organizations learn and develop dynamic capabilities in transition economies. Specifically, the framework theorizes about the importance of, and inter-relationships between, leadership, organizational learning, dynamic capabilities, and performance over three stages of transformation. Propositions derived from this framework explain the pre-conditions enabling organizational learning, the linkages between types of learning and functions of dynamic capabilities, and the feedback from dynamic capabilities to organizational learning that allows firms in transition economies to regain their footing and build long-term competitive advantage. We focus on transition contexts, where these processes have been magnified and thus offer new insights into strategizing in radically altered environments.

Learning to talk to users in participatory design situations

In participatory design situations the competence of the facilitator will influence the opportunities for a user group to become engaged in the process of design. Based on the observation of the conversations from a series of design workshops, the performance of design facilitation expertise by an expert architect is compared with a less experienced architectural graduate. The skills that are the focus of this research are the conversational competences deployed by architects to engage users in the design of an architectural project. The difference between the conversational behaviour of a project architect and a less experienced graduate was observed to illustrate with examples the effect the performance of facilitation had on the opportunity for user engagement in design, and of learning the skill of facilitation that occurred in these situations.

Learning associations between places and visual cues without learning to navigate: neither fornix nor entorhinal cortex is required

Rats with fornix transection, or with cytotoxic retrohippocampal lesions that removed entorhinal cortex plus ventral subiculum, performed a task that permits incidental learning about either allocentric (Allo) or egocentric (Ego) spatial cues without the need to navigate by them. Rats learned eight visual discriminations among computer-displayed scenes in a Y-maze, using the constant-negative paradigm. Every discrimination problem included two familiar scenes (constants) and many less familiar scenes (variables). On each trial, the rats chose between a constant and a variable scene, with the choice of the variable rewarded. In six problems, the two constant scenes had correlated spatial properties, either Alto (each constant appeared always in the same maze arm) or Ego (each constant always appeared in a fixed direction from the start arm) or both (Allo + Ego). In two No-Cue (NC) problems, the two constants appeared in randomly determined arms and directions. Intact rats learn problems with an added Allo or Ego cue faster than NC problems; this facilitation provides indirect evidence that they learn the associations between scenes and spatial cues, even though that is not required for problem solution. Fornix and retrohippocampal-lesioned groups learned NC problems at a similar rate to sham-operated controls and showed as much facilitation of learning by added spatial cues as did the controls; therefore, both lesion groups must have encoded the spatial cues and have incidentally learned their associations with particular constant scenes. Similar facilitation was seen in subgroups that had short or long prior experience with the apparatus and task. Therefore, neither major hippocampal input-output system is crucial for learning about allocentric or egocentric cues in this paradigm, which does not require rats to control their choices or navigation directly by spatial cues.