Visualisation of an evaluation of a datavisualisation course

During the last 3 weeks I have been giving a class in datavisualisation for 8. semester human science students. As a part of the final lecture I asked to type as many terms from the field datavisualisation in 5 minutes. I asked them to note the row number at which they had been placed at during the course. In a google form. Afterwards they where asked to create an visualisation of the data.
Below is a screenshot of the interactive visualisation of the evaluation.

You may access the interactive version from this link. Do so - you will appreciate the possibility to interact with the data!

The visualisation gives me as a teacher a new tool to measure the progress of the student in a field with many terms. It gives me a fast insight in the class and the single student.
And it gives me insight in where(physically) in the classroom  the students can learn the most.