Preparation: As a teacher: Create a Workshop activity, ensuring that you choose the following options: Grading strategy: Rubric Maximum number of overall feedback attachments: 1 (or higher) In the "Edit assessment form" step in the Setup phase, create a basic rubric using the "List" layout (in the "Rubric configuration" section at the end of the form) Set the Workshop activity to Submission phase As a student: Make a submission As a teacher: Set the Workshop activity to Assessment phase Test: As a teacher: Assess the student's submission Confirm that the "drag and drop not supported" message does NOT appear (in browsers which DO support DnD) Confirm that the rubric displays in an acceptable manner You can also (as a teacher) assign the submission to another student, and use the second student to assess the first student's submission (instead of or as well as assessing as a teacher).