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