It is ultimately up to you as the instructor.
The general options are:
1) Multiple choice exam:
Once created this can be automatically marked by our software. Students cannot rewrite exams.
2) Short answer written exams
Will need to be marked by you the instructor. The student will write this exam online.
3) Written assignments/essays
These will need to be evaluated by you the instructor. We suggest that students submit their best essays to our academic journal after they are assigned a grade.