Research Data behind PhD Project: Exploring Instantaneous Speed in Grade 5 A Design Research

I have collected the following datasets for my project "Exploring Instantaneous Speed in Grade 5. A Design Research":Starting Up videos of 5th grade students exploring speed in the context of filling glasswareDesign Experiment 1 videos of a 5-lesson classroom teaching experiment on speed in the context of filling glassware.Design Experiment 2 videos of a small-scale classroom teaching experiment about speedDesign Experiment 3 videos of a 5-lesson classroom experiment tried in two different classroomsThis data is not publicly available for privacy reasons. For more information, please contact the author. For more information about the research, see https://heerdebeer.org/DR