The goal of the present innovation is to give engineering students an innovative educational experience through their natural engagement with mobile devices. It aims to motivate the integration of technology in the teaching-learning process where students design, develop and use a mobile app in order to build up knowledge in Thermodynamics. It also enhances their level of domain of soft skills such as teamwork, creativity, self-management, analytical, abstract and critical thinking. This work suggests the use of Information and Communication Technologies (ICT) to develop Open Educational Resources (OERs), which could be helpful in the teaching-learning process of Equilibrium Thermodynamics (ET). During 2016, chemical and biotechnology engineering students from ITESM CEM developed a mobile app to facilitate the comprehension of physicochemical phenomena of phase equilibria. Its design and implementation was the result of a four-step process: 1. Selection of the technologic platform; 2. Definition of thematic content; 3. Creative process for the design and information setup; and 4. Development of the app. Results of this study show quantitatively that implementing technology-based learning experiences as a learning tool has a positive impact on the educational performance and skills development of students. It was learnt that the student's performance was influenced by the type of technology selected and promoted the development of distinct skills and the construction of knowledge in different levels of domain.
Resumen: Este trabajo muestra el logro conceptual en genética de tres grupos de estudiantes de bachillerato (N=186) después de emplear tres secuencias didácticas con los mismos objetivos conceptuales y número de actividades, pero diferenciadas por el número y tipo de representaciones externas, así como en la organización de las actividades y en el uso de estas representaciones dentro del aula. Para identificar la comprensión conceptual y representacional lograda, cada estudiante respondió un cuestionario de 18 ítems. Los datos para el análisis se obtuvieron a partir de la calificación del cuestionario con una rúbrica y de un análisis ANOVA. Los resultados muestran que los alumnos del grupo donde el profesor diversificó las dinámicas de trabajo y se contó con más representaciones externas obtuvieron promedios más altos, dieron explicaciones escritas más completas y mostraron mayor precisión en sus representaciones simbólicas y gráficas. Las tres secuencias didácticas posibilitaron la comprensión conceptual de los estudiantes, pero aquella donde hubo una organización del grupo distinta, que permitió mayor variedad de tareas y uso de más representaciones, favoreció una mejor comprensión de los subtemas: células somáticas, células sexuales, mecanismos de herencia y alteraciones genéticas.
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