Mapping student understanding in chemistry: The perspectives of chemists

Como parte de trabajo anterior, hemos venido desarrollando un marco conceptual conocido como Las Perspectivas de los Quimicos, el cual busca capturar una vision de aprendizaje incremental en quimica. Este marco fue desarrollado junto con el proyecto curricular Living by Chemistry (LBC), el cual incluye un sistema de evaluacion de conocimientos quimicos para los niveles medio, medio-superior y universitario conocido como ChemQuery. Estos proyectos han sido financiados por la National Science Foundation (NSF). ChemQuery es un sistema de evaluacion que se basa en un conjunto de ideas claves en la disciplina, una rubrica de evaluacion, preguntas representativas, y el marco conceptual Las Perspectivas de los Quimicos. El sistema permite combinar datos empiricos con modelos de medicion de la familia Rasch (IRT), con el fin de analizar e interpretar dichos datos (Wilson, 2005). El sistema permite describir progreso en el aprendizaje de los estudiantes en un curso o entre cursos de quimica y explorar diferencias individuales en el nivel de compresion de conceptos cientificos seleccionados. Nuestro proposito es estudiar como aprenden los estudiantes con el fin de saber lo que ellos saben y encontrar mejores maneras de apoyar su aprendizaje. En su momento, nuestro trabajo represento una descripcion temprana de una progresion de aprendizaje en quimica que creemos es relevante hoy dia. Por tanto, este trabajo se centra en la descripcion de lo que hemos aprendido acerca de trayectorias de aprendizaje de los estudiantes en quimica a traves del desarrollo del marco conceptual de Las Perspectivas dentro del sistema de evaluacion ChemQuery

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