Development and use of an Excel application called Davalos Magic Box to self-assess knowledge of career competencies in Computer Science subjects Desarrollo y uso de una aplicación en Excel llamada Davalos Magic Box para autoevaluar el conocimiento de las competencias de carrera en materias de Computación

This paper presents the design and evaluation of a tool developed in Microsoft Excel¿ to provide immediate feedback to students of the ITC (Computer Technology Engineer) career courses. This tool automatically corrects each item presented on the sheet, allowing students to instantly know if the result is correct or not. This approach not only accelerates the learning process, but also fosters the autonomy and responsibility of the student to correct their mistakes in real time. The tool is called Davalos Magic Box or Davabox.

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