More and more teachers create video explanations for their instruction. Whether or not they are effective for learning depends on the videos' instructional quality. Reliable measures to assess the quality of video explanations, however, are still rare, especially for videos created by (preservice) teachers. We developed such a measure in a…

The rising prevalence of online courses and ubiquitous smartphone use pose challenges to researchers and instructors. Open questions concern the effectiveness of digital interventions under unsupervised non-lab conditions, as well as potential associations between interruptions, smartphone usage, and learning. We experimentally tested a web-based…

Mobile technologies open up new ways of fostering reflection in teacher education. With the intention of tying reflection closer to the actions in the classroom, facilitating multimedia recordings, providing prompts for reflection and fostering discussions between pre-service teachers, experienced teachers and university mentors, we developed the…

Student teachers are most often provided opportunities for observing, then engaging directly in teaching during the student-teaching phase of their program. The ability to "notice" nuanced communication techniques, and identify interrelated methods and simultaneous skills occurring during teaching coincides with the development of the…