Andreas Gegenfurtner is Professor of Methods in Learning Research at the University of Augsburg. His research focuses on teacher noticing, student diversity, digital learning, and the confluence of expertise, training, and development in the professions. Rebekka Stahnke is a postdoctoral researcher at the IPN – Leibniz Institute for Science and Mathematics Education in Berlin, Germany. Her research interests include teacher professional vision, classroom management, and teacher professional development.