Different students need different amounts of practice. This is achieved in DRILL by allowing the instructor several options. One way is to set the pass level high (such as 100%) and the number of allowed attempts greater than one. This way, a student can pass the exam on the first try, or can take it many times if more practice is needed. If a student fails an exam, the following is displayed:
The student who passes an exam sees
Another instructor option is practice mode, whose details are displayed below. Practice mode gives feedback but doesn't count against attempts.