I am a strong proponent of project based learning and I have recently started my journey with Genius Hour. I have just started my second Genius Hour course. I struggled to keep my students focused, and able to deal with the inevitable failures.
Like others, I did not want to assess the content as I wanted to foster intrinsic motivation, but I felt like I needed a tool to help students with the skills needed for a successful completion of the project.
I looked everywhere for a rubric to cover m