TY - Generic T1 - Learning to use a digital workbench to develop competence-based tests in vocational education: Guided or explorative? T2 - 17th International Conference Cognition and Exploratory Learning in Digital Age (CELDA) Y1 - 2020 A1 - Buchner, Josef A1 - Vonarx, Anne A1 - Pfänder, Peter A1 - Michael Kerres AB - ausgezeichnet als "Best Paper" JF - 17th International Conference Cognition and Exploratory Learning in Digital Age (CELDA) ER -