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Educación Matemática
Article . 2017 . Peer-reviewed
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Educación Matemática
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Estabilidad y cambio conceptual acerca de las razones de cambio en situación escolar

Authors: Dolores, Crisólogo; García-García, Javier; Gálvez-Pacheco, Angélica;

Estabilidad y cambio conceptual acerca de las razones de cambio en situación escolar

Abstract

espanolEste articulo da cuenta de una investigacion cuyo objetivo se centro en estudiar la estabilidad y el cambio conceptual acerca de algunas razones de cambio en estudiantes de bachillerato. Para ello se diseno, aplico y valoro, una secuencia de aprendizaje que tuvo como escenario el salon de clase de una escuela de bachillerato tecnologico. Los resultados fueron valorados mediante una evaluacion pre-post test, a traves de la cual fueron contrastadas las ideas previas con las ideas manifestadas al final de la aplicacion de la secuencia de aprendizaje. Los cambios conceptuales van, de interpretar a la velocidad en una grafica distancia-tiempo “como punto” o como “magnitud de la distancia” a la concepcion geometrica del “desplazamiento vertical” respecto del “desplazamiento horizontal”; de la fijacion por la formula v = d/t a la utilizacion del cociente de diferencias v = Ds/Dt. Se noto estabilidad en la concepcion que asocia a las ordenadas de mayor magnitud de una grafica tiempo-estatura, como las que representan la “mayor rapidez de crecimiento”. EnglishThis article reports one research conducted with the aim of studying the stability and conceptual change about some rates of change in high school students. For this purpose, a learning sequence was designed, implemented, and evaluated, in an upper secondary education school. A pre-post assessment was used to evaluate the results of the study. The students’ conceptions were compared. Changes entail transiting from interpreting speed in a distance-time graph as “a point” or as “a magnitude of the distance” to the geometrical conception of “vertical displacement” with respect to “horizontal displacement”; from being fixed by the formula v = d/t to the use of the difference quotient v = Ds/Dt. Stability was noted in the conception associated with the ordinates of greater magnitude of a graphical time-height, as they represent the “faster growth”.

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Keywords

Pruebas, Razón y proporcionalidad, Otro (metodologías), Derivación, 03. Aula

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
Green
gold