Montajes de ExD para incorporar la ley de presión hidrodinámica de Bernoulli en ambientes escolares de Ingeniería.

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Bibliographic Details
Title: Montajes de ExD para incorporar la ley de presión hidrodinámica de Bernoulli en ambientes escolares de Ingeniería.
Authors: Barbosa, Luis H.1 lhbfisica@gmail.com, Mora, Cesar2
Source: Latin-American Journal of Physics Education. Sep2013, Vol. 7 Issue 3, p399-406. 8p.
Abstract (English): This article presents an interacting discrepant experiment (DeX), its physical modeling as well as its pedagogical benefits of the assembly to learn the Bernoulli's Law of Hydrodynamic Pressure. The impact of the results is presented on a population of students and the interactive engagement is measured starting from a process of dissonance to a process of consonance. The prototype has been implemented as a project in order that the student's population makes time by their own during four weeks. The evolution of the learning process is specified with the Hake's average normalized gain and the Bao's concentration factor. The Hake's gain value, above 0.5 means that the experience has turned out to be quite fruitful from a pedagogical standpoint. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Se han recopilado distintos montajes de experimentos discrepantes (ExD) cuyo fenómeno puede ser explicado usando como mecanismo la ley de Presión Hidrodinámica de Bernoulli (LPHB). Se esbozan los montajes y se describen los eventos relevantes que pueden ser predichos mediante esta regularidad. Adicionalmente se reporta una experiencia de aprendizaje activo donde se han usado algunos de los montajes descritos. Se describe la experiencia y se reportan resultados del coeficiente de Bao sobre una población de 63 estudiantes de muestras tomadas con el pre-test/pos-test una semana antes y después de incorporar la LPHB en una sesión de instrucción. Para tomar los datos se ha usado un test de la LPHB previamente utilizado en otros estudios. Se ha encontrado que la metodología es efectiva de acuerdo a los vectores de evolución de Bao pero con una eficiencia en tiempo de tan sólo 2 horas, esto es muy conveniente en la búsqueda de metodologías eficientes y compite con el método tradicional que como se sabe es eficiente en tiempo pero nada efectivo para incorporar temáticas de física en muchos ambientes escolares. [ABSTRACT FROM AUTHOR]
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Database: Education Research Complete
Description
Abstract:This article presents an interacting discrepant experiment (DeX), its physical modeling as well as its pedagogical benefits of the assembly to learn the Bernoulli's Law of Hydrodynamic Pressure. The impact of the results is presented on a population of students and the interactive engagement is measured starting from a process of dissonance to a process of consonance. The prototype has been implemented as a project in order that the student's population makes time by their own during four weeks. The evolution of the learning process is specified with the Hake's average normalized gain and the Bao's concentration factor. The Hake's gain value, above 0.5 means that the experience has turned out to be quite fruitful from a pedagogical standpoint. [ABSTRACT FROM AUTHOR]
ISSN:18709095