This executive research report has been developed within the framework of work package 5 of the European project "Assessment of Transversal Skills in STEM (ATS-STEM) and has been carried out by the educational technology group of the University of Santiago de Compostela (http://tecnoeduc.es) and are available from the project website: https://www.atsstem.eu/resources/ It contains the executive summary of the research report produced under work package 5 of the project. It reports in abbreviated form on the evaluative research conducted and the results obtained following the pilot conducted in schools in 7 European countries. This publication is complemented by the full transnational research report carried out within the framework of the project which will be disseminated through publications in scientific journals of impact. For more information, refer to carmen.morante@usc.es