Una experiencia didáctica con incidencia en la interpretación de gráficas cinemáticas
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Facultad de Humanidades y Artes (UNR)
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Este artículo da cuenta de una investigación realizada con el objetivo de
estudiar la habilidad de interpretación de gráficas cinemáticas. Para alcanzarlo
se utilizó el método de investigación-acción, sobre la base del cual, se diseñó,
aplicó y evaluó, una secuencia de aprendizaje orientada por el enfoque del desarrollo
del pensamiento y lenguaje variacional. Las acciones de interpretación
de gráficas estudiadas fueron de dos tipos: locales y globales. Las primeras
se centraron en la extracción de datos específicos de velocidad y aceleración,
las segundas se refieren al comportamiento global de las gráficas de tales funciones
y sus relaciones entre sí. Los resultados obtenidos fueron valorados
mediante el método pre-post test, comparando sus interpretaciones al inicio y
al final de la aplicación de la secuencia de aprendizaje. Los resultados indican
que los estudiantes son capaces de interpretar las propiedades locales de las
gráficas, no así de sus propiedades globales, además se notó la preferencia de
los estudiantes por utilizar las fórmulas de las funciones o de sus derivadas en
lugar de la información variacional subyacente en las gráficas.
This article reports on research conducted with the aim of studying the ability of interpretation of graphs kinematics. To achieve the objective, we use the method of action research, on the basis of which it was designed, implemented and evaluated, a sequence of learning oriented approach under the development of thinking and variational language. The actions for the interpretation of graphs studied were of two types: local and global. The first focused on extracting specific data speed and acceleration, the latter refers to the overall behavior of the graphs of these functions and their relationships with each other. The results were assessed by pre-post method, comparing their performances at the beginning and end of the application of the learning sequence. The results indicate that the students are able to interpret the local properties of graphs not its global properties, furthermore the preference of students was noted for using formulas functions or their derivatives rather than the variational information underlying in graphs to interpret their behavior.
This article reports on research conducted with the aim of studying the ability of interpretation of graphs kinematics. To achieve the objective, we use the method of action research, on the basis of which it was designed, implemented and evaluated, a sequence of learning oriented approach under the development of thinking and variational language. The actions for the interpretation of graphs studied were of two types: local and global. The first focused on extracting specific data speed and acceleration, the latter refers to the overall behavior of the graphs of these functions and their relationships with each other. The results were assessed by pre-post method, comparing their performances at the beginning and end of the application of the learning sequence. The results indicate that the students are able to interpret the local properties of graphs not its global properties, furthermore the preference of students was noted for using formulas functions or their derivatives rather than the variational information underlying in graphs to interpret their behavior.
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