Resumen: [EN] Many technical disciplines require abstraction skills, such as the ability to
deduce general rules and principles from sets of examples. These skills are
the basis for creating solutions that address a whole class of similar
problems, rather than merely focusing a single specific instance. Experience
shows that many freshmen students are ill equipped with these skills.
Therefore, we developed an intervention that systematically teaches
abstraction skills to students, and applied our approach to a cohort of
freshmen students in computer science.