Conceptions from a constructivist and phenomenological perspective of a group of students at the beginning of their science teacher training.

Las investigaciones sobre formación del profesorado han mostrado que las concepciones sobre el aprendizaje próximas a modelos tradicionales de enseñanza son uno de los mayores obstáculos para desarrollar prácticas inspiradas en los principios de las teorías constructivistas, que gozan hoy de plena legitimidad como marcos para la promoción de los aprendizajes profundos. En esta investigación se realizaron dos estudios para interpretar las concepciones desde una perspectiva constructivista y fenomenográfica de un grupo de estudiantes al inicio de su formación de profesorado de ciencias. En primer lugar se exploraron y categorizaron las concepciones sobre el aprendizaje de los estudiantes de los profesorados de Física, Química, Biología y Matemática de la Universidad Nacional de Mar del Plata. En segundo lugar, se seleccionó el caso cuya concepción se identificó como más sofisticada y constructivista. Se realizó un estudio en profundidad incluyendo la biografía escolar. Los resultados indican que las representaciones gráficas presentan puntos en común con el modelo tradicional del aprendizaje. Por su parte, las proposiciones analizadas presentaron un modelo afín al tradicional, pero combinado también con elementos más innovadores. En el estudio de caso se visibilizó la importancia de los diversos modos de aprender, de las experiencias emocionalmente positivas durante el aprendizaje y de los vínculos positivos entre docentes y alumnos, siendo factores reconocidos y valorados para la construcción de la identidad de docente de cienciasResearch on teacher education has shown that conceptions of learning close to traditional teaching models are one of the biggest obstacles to developing practices inspired by the principles of constructivist theories, which today enjoy full legitimacy as frameworks for the promotion of the deep learning. In this research, two studies were carried out to interpret the conceptions from a constructivist and phenomenological perspective of a group of students at the beginning of their science teacher training. In the first place, the conceptions about the learning of the students of the Physics, Chemistry, Biology and Mathematics professors of the National University of Mar del Plata were explored and categorized. Secondly, the case whose conception was identified as more sophisticated and constructivist was selected. An in- depth study including school biography was conducted. The results indicate that the graphic representations have points in common with the traditional model of learning. For its part, the proposals analyzed presented a model similar to the traditional one, but also combined with more innovative elements. In the case study, the importance of different ways of learning, of emotionally positive experiences during learning and of positive links between teachers and students was highlighted, being recognized and valued factors for the construction of the identity of science teacher.Fil: Giuliani, María Florencia. Universidad Nacional de Mar del Plata. Facultad de Cs.exactas y Naturales. Departamento de Educación Cientifica; ArgentinaFil: Vilanova, Silvia Lucia. Universidad Nacional de Mar del Plata. Facultad de Cs.exactas y Naturales. Departamento de Educación Cientifica; ArgentinaFil: Yedaide, Maria Marta. Universidad Nacional de Mar del Plata. Facultad de Humanidades. Centro de Investigaciones Multidisciplinarias en Educación; Argentin

Identifying sources and pathways of persistant organic pollutants in aquatic environments

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The Non-linear Trajectory of Change in Play Profiles of Three Children in Psychodynamic Play Therapy

Aim: Even though there is substantial evidence that play based therapies produce significant change, the specific play processes in treatment remain unexamined. For that purpose, processes of change in long-term psychodynamic play therapy are assessed through a repeated systematic assessment of three children's "play profiles," which reflect patterns of organization among play variables that contribute to play activity in therapy, indicative of the children's coping strategies, and an expression of their internal world. The main aims of the study are to investigate the kinds of play profiles expressed in treatment, and to test whether there is emergence of new and more adaptive play profiles using dynamic systems theory as a methodological framework. Methods and Procedures: Each session from the long-term psychodynamic treatment (mean number of sessions = 55) of three 6-year-old good outcome cases presenting with Separation Anxiety were recorded, transcribed and coded using items from the Children's Play Therapy Instrument (CPTI), created to assess the play activity of children in psychotherapy, generating discrete and measurable units of play activity arranged along a continuum of four play profiles: "Adaptive," "Inhibited," "Impulsive," and "Disorganized." The play profiles were clustered through K-means Algorithm, generating seven discrete states characterizing the course of treatment and the transitions between these states were analyzed by Markov Transition Matrix, Recurrence Quantification Analysis (RQA) and odds ratios comparing the first and second halves of psychotherapy. Results: The Markov Transitions between the states scaled almost perfectly and also showed the ergodicity of the system, meaning that the child can reach any state or shift to another one in play. The RQA and odds ratios showed two trends of change, first concerning the decrease in the use of "less adaptive" strategies, second regarding the reduction of play interruptions. Conclusion: The results support that these children express different psychic states in play, which can be captured through the lens of play profiles, and begin to modify less dysfunctional profiles over the course of treatment. The methodology employed showed the productivity of treating psychodynamic play therapy as a complex system, taking advantage of non-linear methods to study psychotherapeutic play activity

Modelling Environmental Fate and Transport of POPs and Metal Usig the Fugacity/Aquivalence approach: Two Acquatic Environments as a Case Study.

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Planejamento de Marketing Utilizando a Matriz Boston Consulting Group: Uma Análise em Instituições Educacionais

As Instituições de Ensino Superior (IES) particulares vêm enfrentando inúmeras dificuldades nos últimos anos. A partir dessa perspectiva, o presente trabalho trata da implantação do Planejamento Estratégico de Marketing na Administração Educacional Superior e tem como principal objetivo, mostrar como a Matriz Boston Consulting Group (BCG) pode auxiliar o gestor educacional em sua função. A metodologia foi baseada num estudo exploratório em duas Universidades, uma Faculdade e um Centro Universitário, localizados no interior do Estado de São Paulo. Como resultado, o estudo fornece para a Instituição de Ensino Superior uma ferramenta analítica que classifica seus cursos, a fim de que ela possa melhor planejar a distribuição de seus recursos nos aspectos mercadológicos e financeiros. Ao final conclui-se que a Matriz BCG pode ser utilizada como ferramenta de gestão das IES auxiliando-as na eliminação e/ou reposição de Cursos

San Paolo secondo Pasolini: ascesi e organizzazione

La categoria del sacro costituisce una costante intrinseca della visione del mondo pasoliniana ed estrinseca (intesa cioè come contenuto o messaggio di un’opera) della produzione dell’autore fin dai suoi esordi, categoria che si dipana attraverso una complessa fenomenologia e che, se letta a 360 gradi, fornisce un’importante cartina tornasole della situazione sociale coeva e dell’approccio dell’autore a essa. Già nella raccolta poetica Le ceneri di Gramsci il sacro compare a definire forme di..

RISCHIO CLINICO E SICUREZZA IN SALA OPERATORIA

questa tesi si focalizza sui rischi che si possono verificare in una sala operatoria e ha lo scopo di contribuire al raggiungimento di una consapevolezza di migliorare le conoscenze relative ai pericoli possibili e favorire la realizzazione di un solido strumento di controllo e riduzione dei risch

Luoghi sub specie alteritatis. Giovanni Testori

L’impressione destata dalla Trilogia di Giovanni Testori in coloro che hanno potuto assistere negli anni Settanta alla messa in scena di uno dei tre drammi è quella di un teatro «differente» dalla prassi scenica e dalle convenzioni teatrali contemporanee: diverso suonava innanzitutto il linguaggio nel suo improbabile impasto di dialetto lombardo, latinismi e francesismi, diversi i personaggi e le loro battaglie rispetto ai modelli tragici codificati dalla tradizione, diversi i costumi e le sc..

Metals in Sediment Cores from Nine Coastal Lagoons in Central Vietnam

Problem statement: After being dramatically hit by war events, Vietnam is presently experiencing a huge economical and social development. However, very few data, relative to pollution levels and trends, are available for the correct management of critical areas such as coastal lagoons, where many economical activities are linked to high value environmental features. Approach: A set of sediment cores from nine coastal lagoons of central Vietnam (Lang Co, Truong Giang, An Khe, Nuoc Man, Nuoc Ngot, Thi Nai, O Loan, Thuy Trieu and Dam Nai) were sampled in 2008 and analyzed to assess metal and (Al, Cd, Cr, Cu, Fe, Hg, Li, Mn, Ni, Pb, V, U and Zn) and As levels and historical trends. Results: Concentrations are generally low, with the exception of As, which often exceeds ERL guidelines and Ni that does the same at O Loan. In some cases, concentrations-depth profiles account for recent increasing trends but surficial values are still low when compared to both international guidelines and polluted sediments all around the world. Sediment grain size seems to affect the depth distribution of a number of metals and when normalized to the content of silt and clay, values are particularly high at Dam Nai and Thi Nai, due to the very coarse composition of surficial sediments. Conclusion: Metal concentrations in lagoon sediments derive from the composition of rocks and soils in the watersheds. However, recent increasing trends need for further monitoring