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they are entitled to.

      A third problem refers to always getting explicit consent from the students for collecting data. It is very important that students (who actually own the data) know at all times what data are being collected from them and for what purpose the data are going to be used. In addition, there are international laws such as the GDPR (General Data Protection Regulation) in Europe that require, among other things, the removal of data collected upon request by its owner. Many educational institutions do not have data collection ethics committees and are not prepared to delete collected data upon request.

      A fourth problem refers to transparency, or rather lack of transparency, of many algorithms and systems which are private and whose code is not open. The lack of transparency prevents algorithms and systems from being audited to better understand how they work. Even if one relies on third-party algorithms and systems to make informed decisions, it is important to know how the results and visualizations they provide were obtained.

      A fifth problem refers to bias. Many artificial intelligence systems use data collected in the past to make their calculations and predictions. However, data collected in the past may have important biases, such as a gender imbalance, which could lead to promoting more male students versus female students or vice versa. In general, it is important to take minorities into account when using data from the past as input so that these are not penalized.

      Finally, it is important to bear in mind that humans may misinterpret the results and visualizations obtained from the data processed. Sometimes there are people who deliberately twist the data to fit a pre-designed theory, instead of discarding this theory if data advise to do so. Actually, from a very large dataset, and taking only a subset of it, erroneous and unreproducible conclusions can be very easily reached.

      4. CONCLUSIONS

      Innovation in engineering education must be informed by data. Teachers must be aware of their students’ performance (individually and at the class level) to support those who need more help as well as offer top quality educational resources progressively improved according to the data collected. Students should define a curriculum adapted to their particular needs and develop their SRL skills. Institutions must create specialized units for data collection and processing, and adequately train their staff (including teachers) for a data management culture. Nevertheless, there are numerous risks to be aware of, and a trade-off is needed so that these risks do not slow down innovation in educational institutions.

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      Building Blocks for Powerful Ideas: Designing a Programming Language to Teach the Beauty and Joy of Computing

      Jens Mönig

      [email protected] / Research Expert SAP, Germany

      Recepción: 9-8-2019 / Aceptación: 21-8-2019

      ABSTRACT. Snap! is a cloud-native graphical programming environment and an online community. It is the programming language made for UC Berkeley’s popular introductory CS course named “The Beauty and Joy of Computing”. Snap! is taught in colleges and high schools across the U.S. from Palo Alto to Philadelphia. It has been translated to more than 40 languages and is used around the world—from Göttingen to Beijing—for teaching and research. Snap! has been designed for inclusion. Its low floor welcomes beginners and its multi-media capabilities invite creative thinkers of all ages. At the same time, Snap! offers sophisticated abstractions that make it suitable for an intellectually rigorous introduction to computer science.

      KEYWORDS: Snap!, BJC, AP CSP, CS0.

      Construyendo bases sólidas para ideas poderosas: diseñando un lenguaje de programación para enseñar la belleza y alegría de la informática

      RESUMEN. Snap! es un entorno de programación gráfica nativo de la nube y una comunidad en línea. Es el lenguaje de programación creado para el popular curso introductorio de CS de UC Berkeley llamado “La belleza y la alegría de la informática”. Snap! se imparte en colegios y escuelas secundarias de los EE. UU., desde Palo Alto hasta Filadelfia. Se ha traducido a más de 40 idiomas y se utiliza en todo el mundo, desde Gotinga hasta Beijing, para la enseñanza y la investigación. Snap! ha sido diseñado para su inclusión. El nivel bajo le da la bienvenida a principiantes y sus capacidades multimedia que invitan a pensadores creativos de todas las edades. Al mismo tiempo Snap! ofrece

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