I haven't reviewed student plagiarism training modules in a while, but one that
I always liked is the U of Indiana's tutorial. In addition to covering the
basics and testing the student, you can get a certificate indicating that
students have successfully completed it:
I have required that my students take the Indiana tutorial.
https://www.indiana.edu/~istd/ It's excellent and very challenging. And
it's not just the same ten examples that must be assessed. So if a student
fails it the first time, going back to retake it will have different
exercises. For my
